exelastealer | 00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WGbJpPAyPQjMuJsDzktJVYJ\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\WGbJpPAyPQjMuJsDzktJVYJ"	calstr.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	mei.exe

Clipboard Data 1 TTPs 2 IoCs

Adversaries may collect data stored in the clipboard from users copying information within or between applications.

collection

Clipboard Data

T1115

pid	Process
4576	cmd.exe
5292	powershell.exe

Deletes itself 1 IoCs

pid	Process
748	winhlp64.exe

Executes dropped EXE 5 IoCs

pid	Process
2476	mei.exe
5680	calstr.exe
2064	splwow86.exe
3768	winhlp64.exe
748	winhlp64.exe

Loads dropped DLL 31 IoCs

pid	Process
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe
748	winhlp64.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Exela Update Service = "C:\\Users\\Admin\\AppData\\Local\\ExelaUpdateService\\Exela.exe"	reg.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs

Web Service

T1102

flow	ioc
22	discord.com
25	api.gofile.io
26	api.gofile.io
45	discord.com
18	discord.com
19	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	ip-api.com

Network Service Discovery 1 TTPs 2 IoCs

Attempt to gather information on host's network.

Network Service Discovery

T1046

pid	Process
856	cmd.exe
4912	ARP.EXE

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010

Enumerates processes with tasklist 1 TTPs 4 IoCs

persistence privilege_escalation

Process Discovery

T1057

pid	Process
4432	tasklist.exe
2424	tasklist.exe
3684	tasklist.exe
3336	tasklist.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
5208	cmd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5680	calstr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2064 set thread context of 3600	2064	splwow86.exe	97

UPX packed file 64 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x00070000000242ea-149.dat	upx
behavioral2/memory/748-162-0x00007FFD21830000-0x00007FFD21C9E000-memory.dmp	upx
behavioral2/files/0x00070000000242e4-170.dat	upx
behavioral2/files/0x00070000000242a8-181.dat	upx
behavioral2/files/0x00070000000242ec-191.dat	upx
behavioral2/memory/748-190-0x00007FFD347D0000-0x00007FFD347EF000-memory.dmp	upx
behavioral2/files/0x00070000000242ad-188.dat	upx
behavioral2/memory/748-187-0x00007FFD348F0000-0x00007FFD3491D000-memory.dmp	upx
behavioral2/memory/748-185-0x00007FFD355E0000-0x00007FFD355F9000-memory.dmp	upx
behavioral2/files/0x00070000000242a3-180.dat	upx
behavioral2/memory/748-179-0x00007FFD38820000-0x00007FFD3882D000-memory.dmp	upx
behavioral2/memory/748-178-0x00007FFD39B50000-0x00007FFD39B69000-memory.dmp	upx
behavioral2/files/0x00070000000242eb-176.dat	upx
behavioral2/files/0x00070000000242ac-174.dat	upx
behavioral2/memory/748-172-0x00007FFD3A5A0000-0x00007FFD3A5AF000-memory.dmp	upx
behavioral2/memory/748-171-0x00007FFD36DF0000-0x00007FFD36E14000-memory.dmp	upx
behavioral2/files/0x00070000000242a5-168.dat	upx
behavioral2/files/0x00070000000242e5-199.dat	upx
behavioral2/memory/748-208-0x00007FFD317D0000-0x00007FFD317FE000-memory.dmp	upx
behavioral2/files/0x00070000000242ee-224.dat	upx
behavioral2/files/0x00070000000242b3-235.dat	upx
behavioral2/memory/748-252-0x00007FFD39B50000-0x00007FFD39B69000-memory.dmp	upx
behavioral2/memory/3600-254-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/3600-255-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/748-257-0x00007FFD30D10000-0x00007FFD30D48000-memory.dmp	upx
behavioral2/memory/748-256-0x00007FFD20C30000-0x00007FFD21324000-memory.dmp	upx
behavioral2/memory/3600-253-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/3600-245-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/748-251-0x00007FFD30F80000-0x00007FFD30F9E000-memory.dmp	upx
behavioral2/memory/748-250-0x00007FFD34C00000-0x00007FFD34C0A000-memory.dmp	upx
behavioral2/memory/748-249-0x00007FFD310C0000-0x00007FFD310D1000-memory.dmp	upx
behavioral2/memory/748-248-0x00007FFD30FA0000-0x00007FFD30FE9000-memory.dmp	upx
behavioral2/memory/748-247-0x00007FFD310E0000-0x00007FFD310F9000-memory.dmp	upx
behavioral2/memory/748-246-0x00007FFD31100000-0x00007FFD31117000-memory.dmp	upx
behavioral2/memory/3600-244-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/files/0x00070000000242e2-243.dat	upx
behavioral2/files/0x00070000000242af-242.dat	upx
behavioral2/files/0x00070000000242b4-240.dat	upx
behavioral2/files/0x00070000000242b2-238.dat	upx
behavioral2/files/0x00070000000242b1-234.dat	upx
behavioral2/memory/3600-220-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/748-232-0x00007FFD31170000-0x00007FFD31192000-memory.dmp	upx
behavioral2/memory/748-231-0x00007FFD30850000-0x00007FFD30968000-memory.dmp	upx
behavioral2/memory/748-230-0x00007FFD311A0000-0x00007FFD311B4000-memory.dmp	upx
behavioral2/memory/748-229-0x00007FFD311C0000-0x00007FFD311D4000-memory.dmp	upx
behavioral2/memory/748-228-0x00007FFD355D0000-0x00007FFD355E0000-memory.dmp	upx
behavioral2/memory/748-227-0x00007FFD311E0000-0x00007FFD311F5000-memory.dmp	upx
behavioral2/files/0x00070000000242ef-226.dat	upx
behavioral2/files/0x00070000000242a7-221.dat	upx
behavioral2/memory/3600-211-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/3600-210-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/3600-209-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/748-207-0x00007FFD30E10000-0x00007FFD30EC8000-memory.dmp	upx
behavioral2/memory/748-206-0x00007FFD21330000-0x00007FFD216A5000-memory.dmp	upx
behavioral2/memory/748-205-0x00007FFD216B0000-0x00007FFD21821000-memory.dmp	upx
behavioral2/memory/3600-204-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/3600-203-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/memory/3600-216-0x0000000140000000-0x0000000140848000-memory.dmp	upx
behavioral2/files/0x00070000000242e7-218.dat	upx
behavioral2/files/0x00070000000242aa-215.dat	upx
behavioral2/files/0x00070000000242a2-213.dat	upx
behavioral2/memory/748-201-0x00007FFD21830000-0x00007FFD21C9E000-memory.dmp	upx
behavioral2/files/0x00070000000242e3-197.dat	upx
behavioral2/files/0x00070000000242ae-194.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\splwow86.exe	mei.exe
File created	C:\Windows\winhlp64.exe	mei.exe
File created	C:\Windows\mei.exe	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4924	sc.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral2/files/0x000700000002429f-33.dat	pyinstaller

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Permission Groups Discovery: Local Groups 1 TTPs
Attempt to find local system groups and permission settings.
discovery

Local Groups
T1069.001

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mei.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

Wi-Fi Discovery

T1016.002

pid	Process
1712	cmd.exe
384	netsh.exe

System Network Connections Discovery 1 TTPs 1 IoCs

Attempt to get a listing of network connections.

System Network Connections Discovery

T1049

pid	Process
4896	NETSTAT.EXE

Collects information from the system 1 TTPs 1 IoCs

Uses WMIC.exe to find detailed system information.

Data from Local System

T1005

pid	Process
4752	WMIC.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

Command and Scripting Interpreter

T1059

pid	Process
5152	ipconfig.exe
4896	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
1852	systeminfo.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3960	powershell.exe
5680	calstr.exe
5680	calstr.exe
3656	powershell.exe
3960	powershell.exe
2064	splwow86.exe
3656	powershell.exe
5292	powershell.exe
5292	powershell.exe
5292	powershell.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
5680	calstr.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3960	powershell.exe
Token: SeLoadDriverPrivilege	5680	calstr.exe
Token: SeDebugPrivilege	3656	powershell.exe
Token: SeLockMemoryPrivilege	3600	explorer.exe
Token: SeLockMemoryPrivilege	3600	explorer.exe
Token: SeIncreaseQuotaPrivilege	444	WMIC.exe
Token: SeSecurityPrivilege	444	WMIC.exe
Token: SeTakeOwnershipPrivilege	444	WMIC.exe
Token: SeLoadDriverPrivilege	444	WMIC.exe
Token: SeSystemProfilePrivilege	444	WMIC.exe
Token: SeSystemtimePrivilege	444	WMIC.exe
Token: SeProfSingleProcessPrivilege	444	WMIC.exe
Token: SeIncBasePriorityPrivilege	444	WMIC.exe
Token: SeCreatePagefilePrivilege	444	WMIC.exe
Token: SeBackupPrivilege	444	WMIC.exe
Token: SeRestorePrivilege	444	WMIC.exe
Token: SeShutdownPrivilege	444	WMIC.exe
Token: SeDebugPrivilege	444	WMIC.exe
Token: SeSystemEnvironmentPrivilege	444	WMIC.exe
Token: SeRemoteShutdownPrivilege	444	WMIC.exe
Token: SeUndockPrivilege	444	WMIC.exe
Token: SeManageVolumePrivilege	444	WMIC.exe
Token: 33	444	WMIC.exe
Token: 34	444	WMIC.exe
Token: 35	444	WMIC.exe
Token: 36	444	WMIC.exe
Token: SeDebugPrivilege	4432	tasklist.exe
Token: SeIncreaseQuotaPrivilege	444	WMIC.exe
Token: SeSecurityPrivilege	444	WMIC.exe
Token: SeTakeOwnershipPrivilege	444	WMIC.exe
Token: SeLoadDriverPrivilege	444	WMIC.exe
Token: SeSystemProfilePrivilege	444	WMIC.exe
Token: SeSystemtimePrivilege	444	WMIC.exe
Token: SeProfSingleProcessPrivilege	444	WMIC.exe
Token: SeIncBasePriorityPrivilege	444	WMIC.exe
Token: SeCreatePagefilePrivilege	444	WMIC.exe
Token: SeBackupPrivilege	444	WMIC.exe
Token: SeRestorePrivilege	444	WMIC.exe
Token: SeShutdownPrivilege	444	WMIC.exe
Token: SeDebugPrivilege	444	WMIC.exe
Token: SeSystemEnvironmentPrivilege	444	WMIC.exe
Token: SeRemoteShutdownPrivilege	444	WMIC.exe
Token: SeUndockPrivilege	444	WMIC.exe
Token: SeManageVolumePrivilege	444	WMIC.exe
Token: 33	444	WMIC.exe
Token: 34	444	WMIC.exe
Token: 35	444	WMIC.exe
Token: 36	444	WMIC.exe
Token: SeDebugPrivilege	2424	tasklist.exe
Token: SeDebugPrivilege	3684	tasklist.exe
Token: SeDebugPrivilege	5292	powershell.exe
Token: SeIncreaseQuotaPrivilege	4752	WMIC.exe
Token: SeSecurityPrivilege	4752	WMIC.exe
Token: SeTakeOwnershipPrivilege	4752	WMIC.exe
Token: SeLoadDriverPrivilege	4752	WMIC.exe
Token: SeSystemProfilePrivilege	4752	WMIC.exe
Token: SeSystemtimePrivilege	4752	WMIC.exe
Token: SeProfSingleProcessPrivilege	4752	WMIC.exe
Token: SeIncBasePriorityPrivilege	4752	WMIC.exe
Token: SeCreatePagefilePrivilege	4752	WMIC.exe
Token: SeBackupPrivilege	4752	WMIC.exe
Token: SeRestorePrivilege	4752	WMIC.exe
Token: SeShutdownPrivilege	4752	WMIC.exe
Token: SeDebugPrivilege	4752	WMIC.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 3960	2828	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe	87
PID 2828 wrote to memory of 3960	2828	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe	87
PID 2828 wrote to memory of 3960	2828	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe	87
PID 2828 wrote to memory of 2476	2828	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe	89
PID 2828 wrote to memory of 2476	2828	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe	89
PID 2828 wrote to memory of 2476	2828	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe	89
PID 2828 wrote to memory of 5680	2828	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe	90
PID 2828 wrote to memory of 5680	2828	00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe	90
PID 2476 wrote to memory of 3656	2476	mei.exe	92
PID 2476 wrote to memory of 3656	2476	mei.exe	92
PID 2476 wrote to memory of 3656	2476	mei.exe	92
PID 2476 wrote to memory of 2064	2476	mei.exe	94
PID 2476 wrote to memory of 2064	2476	mei.exe	94
PID 2476 wrote to memory of 3768	2476	mei.exe	95
PID 2476 wrote to memory of 3768	2476	mei.exe	95
PID 3768 wrote to memory of 748	3768	winhlp64.exe	96
PID 3768 wrote to memory of 748	3768	winhlp64.exe	96
PID 2064 wrote to memory of 3600	2064	splwow86.exe	97
PID 2064 wrote to memory of 3600	2064	splwow86.exe	97
PID 2064 wrote to memory of 3600	2064	splwow86.exe	97
PID 2064 wrote to memory of 3600	2064	splwow86.exe	97
PID 2064 wrote to memory of 3600	2064	splwow86.exe	97
PID 748 wrote to memory of 5100	748	winhlp64.exe	98
PID 748 wrote to memory of 5100	748	winhlp64.exe	98
PID 748 wrote to memory of 3084	748	winhlp64.exe	100
PID 748 wrote to memory of 3084	748	winhlp64.exe	100
PID 748 wrote to memory of 5272	748	winhlp64.exe	101
PID 748 wrote to memory of 5272	748	winhlp64.exe	101
PID 3084 wrote to memory of 444	3084	cmd.exe	105
PID 3084 wrote to memory of 444	3084	cmd.exe	105
PID 5272 wrote to memory of 4432	5272	cmd.exe	106
PID 5272 wrote to memory of 4432	5272	cmd.exe	106
PID 748 wrote to memory of 5208	748	winhlp64.exe	107
PID 748 wrote to memory of 5208	748	winhlp64.exe	107
PID 5208 wrote to memory of 5228	5208	cmd.exe	109
PID 5208 wrote to memory of 5228	5208	cmd.exe	109
PID 748 wrote to memory of 2780	748	winhlp64.exe	110
PID 748 wrote to memory of 2780	748	winhlp64.exe	110
PID 2780 wrote to memory of 3304	2780	cmd.exe	112
PID 2780 wrote to memory of 3304	2780	cmd.exe	112
PID 748 wrote to memory of 1656	748	winhlp64.exe	113
PID 748 wrote to memory of 1656	748	winhlp64.exe	113
PID 1656 wrote to memory of 2424	1656	cmd.exe	115
PID 1656 wrote to memory of 2424	1656	cmd.exe	115
PID 748 wrote to memory of 1256	748	winhlp64.exe	116
PID 748 wrote to memory of 1256	748	winhlp64.exe	116
PID 748 wrote to memory of 5820	748	winhlp64.exe	117
PID 748 wrote to memory of 5820	748	winhlp64.exe	117
PID 748 wrote to memory of 3672	748	winhlp64.exe	118
PID 748 wrote to memory of 3672	748	winhlp64.exe	118
PID 748 wrote to memory of 4576	748	winhlp64.exe	119
PID 748 wrote to memory of 4576	748	winhlp64.exe	119
PID 3672 wrote to memory of 3684	3672	cmd.exe	124
PID 3672 wrote to memory of 3684	3672	cmd.exe	124
PID 1256 wrote to memory of 2796	1256	cmd.exe	125
PID 1256 wrote to memory of 2796	1256	cmd.exe	125
PID 4576 wrote to memory of 5292	4576	cmd.exe	126
PID 4576 wrote to memory of 5292	4576	cmd.exe	126
PID 5820 wrote to memory of 736	5820	cmd.exe	127
PID 5820 wrote to memory of 736	5820	cmd.exe	127
PID 2796 wrote to memory of 1244	2796	cmd.exe	128
PID 2796 wrote to memory of 1244	2796	cmd.exe	128
PID 736 wrote to memory of 2660	736	cmd.exe	129
PID 736 wrote to memory of 2660	736	cmd.exe	129

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
5228	attrib.exe

C:\Users\Admin\AppData\Local\Temp\00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe
"C:\Users\Admin\AppData\Local\Temp\00b7e5b7d85431b60afa8d886c6df155e2a2d341319f4912a61d495e729048d5.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHkAegBjACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHAAdABiACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHMAYgBjACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGoAawB5ACMAPgA="
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3960
- C:\Windows\mei.exe
  "C:\Windows\mei.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHUAawB6ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHUAYgBjACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHcAdQBzACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAG0AYgBqACMAPgA="
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3656
- - C:\Windows\splwow86.exe
    "C:\Windows\splwow86.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2064
  - - C:\Windows\explorer.exe
      explorer.exe
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:3600
- - C:\Windows\winhlp64.exe
    "C:\Windows\winhlp64.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3768
  - - C:\Windows\winhlp64.exe
      "C:\Windows\winhlp64.exe"
      4⤵
      Deletes itself
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:748
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "ver"
        5⤵
        
        PID:5100
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "wmic csproduct get uuid"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3084
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic csproduct get uuid
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:444
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "tasklist"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:5272
      - C:\Windows\system32\tasklist.exe
        
        tasklist
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:4432
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "attrib +h +s "C:\Users\Admin\AppData\Local\ExelaUpdateService\Exela.exe""
        5⤵
        Hide Artifacts: Hidden Files and Directories
        Suspicious use of WriteProcessMemory
        
        PID:5208
      - C:\Windows\system32\attrib.exe
        
        attrib +h +s "C:\Users\Admin\AppData\Local\ExelaUpdateService\Exela.exe"
        6⤵
        Views/modifies file attributes
        
        PID:5228
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Exela Update Service" /t REG_SZ /d "C:\Users\Admin\AppData\Local\ExelaUpdateService\Exela.exe" /f"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2780
      - C:\Windows\system32\reg.exe
        
        reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Exela Update Service" /t REG_SZ /d "C:\Users\Admin\AppData\Local\ExelaUpdateService\Exela.exe" /f
        6⤵
        Adds Run key to start application
        
        PID:3304
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "tasklist"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1656
      - C:\Windows\system32\tasklist.exe
        
        tasklist
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2424
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "cmd.exe /c chcp"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1256
      - C:\Windows\system32\cmd.exe
        
        cmd.exe /c chcp
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2796
        
        C:\Windows\system32\chcp.com
        
        chcp
        7⤵
        
        PID:1244
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "cmd.exe /c chcp"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:5820
      - C:\Windows\system32\cmd.exe
        
        cmd.exe /c chcp
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:736
        
        C:\Windows\system32\chcp.com
        
        chcp
        7⤵
        
        PID:2660
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "tasklist /FO LIST"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3672
      - C:\Windows\system32\tasklist.exe
        
        tasklist /FO LIST
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:3684
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "powershell.exe Get-Clipboard"
        5⤵
        Clipboard Data
        Suspicious use of WriteProcessMemory
        
        PID:4576
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe Get-Clipboard
        6⤵
        Clipboard Data
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:5292
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "echo ####System Info#### & systeminfo & echo ####System Version#### & ver & echo ####Host Name#### & hostname & echo ####Environment Variable#### & set & echo ####Logical Disk#### & wmic logicaldisk get caption,description,providername & echo ####User Info#### & net user & echo ####Online User#### & query user & echo ####Local Group#### & net localgroup & echo ####Administrators Info#### & net localgroup administrators & echo ####Guest User Info#### & net user guest & echo ####Administrator User Info#### & net user administrator & echo ####Startup Info#### & wmic startup get caption,command & echo ####Tasklist#### & tasklist /svc & echo ####Ipconfig#### & ipconfig/all & echo ####Hosts#### & type C:\WINDOWS\System32\drivers\etc\hosts & echo ####Route Table#### & route print & echo ####Arp Info#### & arp -a & echo ####Netstat#### & netstat -ano & echo ####Service Info#### & sc query type= service state= all & echo ####Firewallinfo#### & netsh firewall show state & netsh firewall show config"
        5⤵
        Network Service Discovery
        
        PID:856
      - C:\Windows\system32\systeminfo.exe
        
        systeminfo
        6⤵
        Gathers system information
        
        PID:1852
      - C:\Windows\system32\HOSTNAME.EXE
        
        hostname
        6⤵
        
        PID:4624
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic logicaldisk get caption,description,providername
        6⤵
        Collects information from the system
        Suspicious use of AdjustPrivilegeToken
        
        PID:4752
      - C:\Windows\system32\net.exe
        
        net user
        6⤵
        
        PID:5132
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 user
        7⤵
        
        PID:4504
      - C:\Windows\system32\query.exe
        
        query user
        6⤵
        
        PID:4532
        
        C:\Windows\system32\quser.exe
        
        "C:\Windows\system32\quser.exe"
        7⤵
        
        PID:5784
      - C:\Windows\system32\net.exe
        
        net localgroup
        6⤵
        
        PID:6016
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 localgroup
        7⤵
        
        PID:6052
      - C:\Windows\system32\net.exe
        
        net localgroup administrators
        6⤵
        
        PID:3552
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 localgroup administrators
        7⤵
        
        PID:1692
      - C:\Windows\system32\net.exe
        
        net user guest
        6⤵
        
        PID:1048
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 user guest
        7⤵
        
        PID:5444
      - C:\Windows\system32\net.exe
        
        net user administrator
        6⤵
        
        PID:5384
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 user administrator
        7⤵
        
        PID:860
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic startup get caption,command
        6⤵
        
        PID:3964
      - C:\Windows\system32\tasklist.exe
        
        tasklist /svc
        6⤵
        Enumerates processes with tasklist
        
        PID:3336
      - C:\Windows\system32\ipconfig.exe
        
        ipconfig /all
        6⤵
        Gathers network information
        
        PID:5152
      - C:\Windows\system32\ROUTE.EXE
        
        route print
        6⤵
        
        PID:4904
      - C:\Windows\system32\ARP.EXE
        
        arp -a
        6⤵
        Network Service Discovery
        
        PID:4912
      - C:\Windows\system32\NETSTAT.EXE
        
        netstat -ano
        6⤵
        System Network Connections Discovery
        Gathers network information
        
        PID:4896
      - C:\Windows\system32\sc.exe
        
        sc query type= service state= all
        6⤵
        Launches sc.exe
        
        PID:4924
      - C:\Windows\system32\netsh.exe
        
        netsh firewall show state
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        
        PID:5484
      - C:\Windows\system32\netsh.exe
        
        netsh firewall show config
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        
        PID:2244
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "netsh wlan show profiles"
        5⤵
        System Network Configuration Discovery: Wi-Fi Discovery
        
        PID:1712
      - C:\Windows\system32\netsh.exe
        
        netsh wlan show profiles
        6⤵
        Event Triggered Execution: Netsh Helper DLL
        System Network Configuration Discovery: Wi-Fi Discovery
        
        PID:384
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "wmic csproduct get uuid"
        5⤵
        
        PID:3568
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic csproduct get uuid
        6⤵
        
        PID:5980
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "wmic csproduct get uuid"
        5⤵
        
        PID:6032
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic csproduct get uuid
        6⤵
        
        PID:3840
- C:\Users\Admin\AppData\Local\Temp\calstr.exe
  "C:\Users\Admin\AppData\Local\Temp\calstr.exe"
  2⤵
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:5680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Account Manipulation

T1098

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Account Manipulation

T1098

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Obfuscated Files or Information

T1027

Command Obfuscation

T1027.010

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Network Service Discovery

T1046

Permission Groups Discovery

T1069

Local Groups

T1069.001

Process Discovery

T1057

Query Registry

T1012

System Information Discovery