discordrat | 16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3EUEYgl.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3EUEYgl.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3EUEYgl.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	New Text Document mod.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	random.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\l4.exe	l4.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\l4.exe	l4.exe

Executes dropped EXE 20 IoCs

pid	Process
4244	random.exe
3172	client.exe
2324	7z.exe
2476	7z.exe
1708	7z.exe
3824	7z.exe
2360	7z.exe
4760	7z.exe
2944	7z.exe
1896	7z.exe
3832	in.exe
4896	l4.exe
2352	l4.exe
3768	W4KLQf7.exe
3120	yiklfON.exe
1244	AzVRM7c.exe
3888	Z9Pp9pM.exe
2244	C1J7SVw.exe
2212	graph.exe
3056	3EUEYgl.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	3EUEYgl.exe

Loads dropped DLL 14 IoCs

pid	Process
2324	7z.exe
2476	7z.exe
1708	7z.exe
3824	7z.exe
2360	7z.exe
4760	7z.exe
2944	7z.exe
1896	7z.exe
2352	l4.exe
2352	l4.exe
2352	l4.exe
2352	l4.exe
2352	l4.exe
2352	l4.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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graph = "C:\\Program Files\\Windows Media Player\\graph\\graph.exe"	AzVRM7c.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs

Web Service

T1102

flow	ioc
20	raw.githubusercontent.com
21	raw.githubusercontent.com
28	discord.com
29	discord.com
35	discord.com
51	drive.google.com
52	drive.google.com

Looks up external IP address via web service 2 IoCs

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

flow	ioc
65	ipinfo.io
67	ipinfo.io

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3056	3EUEYgl.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral3/memory/3832-106-0x00007FF636DC0000-0x00007FF637250000-memory.dmp	upx
behavioral3/memory/3832-108-0x00007FF636DC0000-0x00007FF637250000-memory.dmp	upx
behavioral3/files/0x000a000000023ba2-109.dat	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Windows Media Player\1w4lv5IzuEVOMa3sjCc6orj2dWPvJoK5fzip	AzVRM7c.exe
File opened for modification	C:\Program Files\Windows Media Player\1w4lv5IzuEVOMa3sjCc6orj2dWPvJoK5f	AzVRM7c.exe
File created	C:\Program Files\Windows Media Player\1w4lv5IzuEVOMa3sjCc6orj2dWPvJoK5f	AzVRM7c.exe
File created	C:\Program Files\Windows Media Player\1w4lv5IzuEVOMa3sjCc6orj2dWPvJoK5fzip	AzVRM7c.exe
File created	C:\Program Files\Windows Media Player\graph\graph.exe	AzVRM7c.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	W4KLQf7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yiklfON.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Z9Pp9pM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	C1J7SVw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3EUEYgl.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
528	powershell.exe
3956	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3956	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
2132	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
528	powershell.exe
528	powershell.exe
1244	AzVRM7c.exe
1244	AzVRM7c.exe
1244	AzVRM7c.exe
1244	AzVRM7c.exe
2212	graph.exe
2212	graph.exe
2212	graph.exe
2212	graph.exe
3056	3EUEYgl.exe
3056	3EUEYgl.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	1276	New Text Document mod.exe
Token: SeDebugPrivilege	3172	client.exe
Token: SeRestorePrivilege	2324	7z.exe
Token: 35	2324	7z.exe
Token: SeSecurityPrivilege	2324	7z.exe
Token: SeSecurityPrivilege	2324	7z.exe
Token: SeRestorePrivilege	2476	7z.exe
Token: 35	2476	7z.exe
Token: SeSecurityPrivilege	2476	7z.exe
Token: SeSecurityPrivilege	2476	7z.exe
Token: SeRestorePrivilege	1708	7z.exe
Token: 35	1708	7z.exe
Token: SeSecurityPrivilege	1708	7z.exe
Token: SeSecurityPrivilege	1708	7z.exe
Token: SeRestorePrivilege	3824	7z.exe
Token: 35	3824	7z.exe
Token: SeSecurityPrivilege	3824	7z.exe
Token: SeSecurityPrivilege	3824	7z.exe
Token: SeRestorePrivilege	2360	7z.exe
Token: 35	2360	7z.exe
Token: SeSecurityPrivilege	2360	7z.exe
Token: SeSecurityPrivilege	2360	7z.exe
Token: SeRestorePrivilege	4760	7z.exe
Token: 35	4760	7z.exe
Token: SeSecurityPrivilege	4760	7z.exe
Token: SeSecurityPrivilege	4760	7z.exe
Token: SeRestorePrivilege	2944	7z.exe
Token: 35	2944	7z.exe
Token: SeSecurityPrivilege	2944	7z.exe
Token: SeSecurityPrivilege	2944	7z.exe
Token: SeRestorePrivilege	1896	7z.exe
Token: 35	1896	7z.exe
Token: SeSecurityPrivilege	1896	7z.exe
Token: SeSecurityPrivilege	1896	7z.exe
Token: SeDebugPrivilege	528	powershell.exe
Token: SeDebugPrivilege	3120	yiklfON.exe

Suspicious use of WriteProcessMemory 62 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 4244	1276	New Text Document mod.exe	85
PID 1276 wrote to memory of 4244	1276	New Text Document mod.exe	85
PID 1276 wrote to memory of 4244	1276	New Text Document mod.exe	85
PID 1276 wrote to memory of 3172	1276	New Text Document mod.exe	86
PID 1276 wrote to memory of 3172	1276	New Text Document mod.exe	86
PID 4244 wrote to memory of 1940	4244	random.exe	88
PID 4244 wrote to memory of 1940	4244	random.exe	88
PID 1940 wrote to memory of 4536	1940	cmd.exe	90
PID 1940 wrote to memory of 4536	1940	cmd.exe	90
PID 1940 wrote to memory of 2324	1940	cmd.exe	91
PID 1940 wrote to memory of 2324	1940	cmd.exe	91
PID 1940 wrote to memory of 2476	1940	cmd.exe	92
PID 1940 wrote to memory of 2476	1940	cmd.exe	92
PID 1940 wrote to memory of 1708	1940	cmd.exe	93
PID 1940 wrote to memory of 1708	1940	cmd.exe	93
PID 1940 wrote to memory of 3824	1940	cmd.exe	94
PID 1940 wrote to memory of 3824	1940	cmd.exe	94
PID 1940 wrote to memory of 2360	1940	cmd.exe	95
PID 1940 wrote to memory of 2360	1940	cmd.exe	95
PID 1940 wrote to memory of 4760	1940	cmd.exe	96
PID 1940 wrote to memory of 4760	1940	cmd.exe	96
PID 1940 wrote to memory of 2944	1940	cmd.exe	97
PID 1940 wrote to memory of 2944	1940	cmd.exe	97
PID 1940 wrote to memory of 1896	1940	cmd.exe	98
PID 1940 wrote to memory of 1896	1940	cmd.exe	98
PID 1940 wrote to memory of 4624	1940	cmd.exe	99
PID 1940 wrote to memory of 4624	1940	cmd.exe	99
PID 1940 wrote to memory of 3832	1940	cmd.exe	100
PID 1940 wrote to memory of 3832	1940	cmd.exe	100
PID 3832 wrote to memory of 1808	3832	in.exe	101
PID 3832 wrote to memory of 1808	3832	in.exe	101
PID 3832 wrote to memory of 2364	3832	in.exe	102
PID 3832 wrote to memory of 2364	3832	in.exe	102
PID 3832 wrote to memory of 2132	3832	in.exe	103
PID 3832 wrote to memory of 2132	3832	in.exe	103
PID 3832 wrote to memory of 528	3832	in.exe	104
PID 3832 wrote to memory of 528	3832	in.exe	104
PID 528 wrote to memory of 3956	528	powershell.exe	111
PID 528 wrote to memory of 3956	528	powershell.exe	111
PID 1276 wrote to memory of 4896	1276	New Text Document mod.exe	113
PID 1276 wrote to memory of 4896	1276	New Text Document mod.exe	113
PID 4896 wrote to memory of 2352	4896	l4.exe	117
PID 4896 wrote to memory of 2352	4896	l4.exe	117
PID 1276 wrote to memory of 3768	1276	New Text Document mod.exe	120
PID 1276 wrote to memory of 3768	1276	New Text Document mod.exe	120
PID 1276 wrote to memory of 3768	1276	New Text Document mod.exe	120
PID 1276 wrote to memory of 3120	1276	New Text Document mod.exe	125
PID 1276 wrote to memory of 3120	1276	New Text Document mod.exe	125
PID 1276 wrote to memory of 3120	1276	New Text Document mod.exe	125
PID 1276 wrote to memory of 1244	1276	New Text Document mod.exe	126
PID 1276 wrote to memory of 1244	1276	New Text Document mod.exe	126
PID 1276 wrote to memory of 3888	1276	New Text Document mod.exe	127
PID 1276 wrote to memory of 3888	1276	New Text Document mod.exe	127
PID 1276 wrote to memory of 3888	1276	New Text Document mod.exe	127
PID 1276 wrote to memory of 2244	1276	New Text Document mod.exe	129
PID 1276 wrote to memory of 2244	1276	New Text Document mod.exe	129
PID 1276 wrote to memory of 2244	1276	New Text Document mod.exe	129
PID 1244 wrote to memory of 2212	1244	AzVRM7c.exe	130
PID 1244 wrote to memory of 2212	1244	AzVRM7c.exe	130
PID 1276 wrote to memory of 3056	1276	New Text Document mod.exe	131
PID 1276 wrote to memory of 3056	1276	New Text Document mod.exe	131
PID 1276 wrote to memory of 3056	1276	New Text Document mod.exe	131

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2364	attrib.exe
1808	attrib.exe
4624	attrib.exe

C:\Users\Admin\AppData\Local\Temp\New Text Document mod.exe
"C:\Users\Admin\AppData\Local\Temp\New Text Document mod.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\a\random.exe
  "C:\Users\Admin\AppData\Local\Temp\a\random.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\main\main.bat" /S"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1940
  - - C:\Windows\system32\mode.com
      mode 65,10
      4⤵
      PID:4536
  - - C:\Users\Admin\AppData\Local\Temp\main\7z.exe
      7z.exe e file.zip -p24291711423417250691697322505 -oextracted
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:2324
  - - C:\Users\Admin\AppData\Local\Temp\main\7z.exe
      7z.exe e extracted/file_7.zip -oextracted
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:2476
  - - C:\Users\Admin\AppData\Local\Temp\main\7z.exe
      7z.exe e extracted/file_6.zip -oextracted
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:1708
  - - C:\Users\Admin\AppData\Local\Temp\main\7z.exe
      7z.exe e extracted/file_5.zip -oextracted
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:3824
  - - C:\Users\Admin\AppData\Local\Temp\main\7z.exe
      7z.exe e extracted/file_4.zip -oextracted
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:2360
  - - C:\Users\Admin\AppData\Local\Temp\main\7z.exe
      7z.exe e extracted/file_3.zip -oextracted
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:4760
  - - C:\Users\Admin\AppData\Local\Temp\main\7z.exe
      7z.exe e extracted/file_2.zip -oextracted
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:2944
  - - C:\Users\Admin\AppData\Local\Temp\main\7z.exe
      7z.exe e extracted/file_1.zip -oextracted
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:1896
  - - C:\Windows\system32\attrib.exe
      attrib +H "in.exe"
      4⤵
      Views/modifies file attributes
      PID:4624
  - - C:\Users\Admin\AppData\Local\Temp\main\in.exe
      "in.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3832
    - - C:\Windows\SYSTEM32\attrib.exe
        
        attrib +H +S C:\Users\Admin\AppData\Roaming\Intel_PTT_EK_Recertification.exe
        5⤵
        Views/modifies file attributes
        
        PID:1808
    - - C:\Windows\SYSTEM32\attrib.exe
        
        attrib +H C:\Users\Admin\AppData\Roaming\Intel_PTT_EK_Recertification.exe
        5⤵
        Views/modifies file attributes
        
        PID:2364
    - - C:\Windows\SYSTEM32\schtasks.exe
        
        schtasks /f /CREATE /TN "Intel_PTT_EK_Recertification" /TR "C:\Users\Admin\AppData\Roaming\Intel_PTT_EK_Recertification.exe" /SC MINUTE
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:2132
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell ping 127.0.0.1; del in.exe
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:528
      - C:\Windows\system32\PING.EXE
        
        "C:\Windows\system32\PING.EXE" 127.0.0.1
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:3956
- C:\Users\Admin\AppData\Local\Temp\a\client.exe
  "C:\Users\Admin\AppData\Local\Temp\a\client.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3172
- C:\Users\Admin\AppData\Local\Temp\a\l4.exe
  "C:\Users\Admin\AppData\Local\Temp\a\l4.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4896
- - C:\Users\Admin\AppData\Local\Temp\onefile_4896_133785006317897242\l4.exe
    C:\Users\Admin\AppData\Local\Temp\a\l4.exe
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2352
- C:\Users\Admin\AppData\Local\Temp\a\W4KLQf7.exe
  "C:\Users\Admin\AppData\Local\Temp\a\W4KLQf7.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3768
- C:\Users\Admin\AppData\Local\Temp\a\yiklfON.exe
  "C:\Users\Admin\AppData\Local\Temp\a\yiklfON.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3120
- C:\Users\Admin\AppData\Local\Temp\a\AzVRM7c.exe
  "C:\Users\Admin\AppData\Local\Temp\a\AzVRM7c.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1244
- - C:\Program Files\Windows Media Player\graph\graph.exe
    "C:\Program Files\Windows Media Player\graph\graph.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:2212
- C:\Users\Admin\AppData\Local\Temp\a\Z9Pp9pM.exe
  "C:\Users\Admin\AppData\Local\Temp\a\Z9Pp9pM.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3888
- C:\Users\Admin\AppData\Local\Temp\a\C1J7SVw.exe
  "C:\Users\Admin\AppData\Local\Temp\a\C1J7SVw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2244
- C:\Users\Admin\AppData\Local\Temp\a\3EUEYgl.exe
  "C:\Users\Admin\AppData\Local\Temp\a\3EUEYgl.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Virtualization/Sandbox Evasion