bcba671f1e3e1f7ab80f59d5c1cb280bfec3ca519b37820af0bb720fb5d7a8b9

General

Target
shipping documents.exe
Size 2.1MB
Sample230109-w1fqmsfb53
SHA256 bcba671f1e3e1f7ab80f59d5c1cb280bfec3ca519b37820af0bb720fb5d7a8b9
MD5 f07e2a19a87fdb4d58c88003bc3379a8
SHA1 ac593c1065bffe50e05c0fae4f50a0b71efb814f
SHA512 de0d8baa360a7d5ee09415a62c2ee326c7e38906f380cda4b3f87bc072de0bf9b9f806abb5fd481f506d7204761ca3801123c79a059ab1a5c10c04795dde4af0
SSDEEP 24576:DqSGwrmxJSdDf5z18CCjSIxXCKb9eQza8m7wuy0jLGLo9e:GxafLamKb99a8m88o
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

collection evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	shipping documents.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	shipping documents.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\shipping documents.exe = "0"	shipping documents.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TaskKill\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\Иисус.sys"	shipping documents.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	shipping documents.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	shipping documents.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	shipping documents.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\shipping documents.exe = "0"	shipping documents.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	shipping documents.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	shipping documents.exe

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
11	api.ipify.org
12	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1080 set thread context of 1300	1080	shipping documents.exe	86

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5004	powershell.exe
5004	powershell.exe
1080	shipping documents.exe
1080	shipping documents.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1080	shipping documents.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	shipping documents.exe
Token: SeLoadDriverPrivilege	1080	shipping documents.exe
Token: SeDebugPrivilege	5004	powershell.exe
Token: SeDebugPrivilege	1080	shipping documents.exe
Token: SeDebugPrivilege	1300	jsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1300	jsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 5004	1080	shipping documents.exe	83
PID 1080 wrote to memory of 5004	1080	shipping documents.exe	83
PID 1080 wrote to memory of 4632	1080	shipping documents.exe	85
PID 1080 wrote to memory of 4632	1080	shipping documents.exe	85
PID 1080 wrote to memory of 1300	1080	shipping documents.exe	86
PID 1080 wrote to memory of 1300	1080	shipping documents.exe	86
PID 1080 wrote to memory of 1300	1080	shipping documents.exe	86
PID 1080 wrote to memory of 1300	1080	shipping documents.exe	86
PID 1080 wrote to memory of 1300	1080	shipping documents.exe	86
PID 1080 wrote to memory of 1300	1080	shipping documents.exe	86
PID 1080 wrote to memory of 1300	1080	shipping documents.exe	86
PID 1080 wrote to memory of 1300	1080	shipping documents.exe	86

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	shipping documents.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\shipping documents.exe
"C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
1⤵
- UAC bypass
- Windows security bypass
- Sets service image path in registry
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1080
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\shipping documents.exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5004
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe"
  2⤵
  PID:4632
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1300