Analysis
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max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
23-01-2025 17:52
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe
Resource
win7-20240729-en
windows7-x64
16 signatures
150 seconds
General
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Target
JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe
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Size
120KB
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MD5
19b67de987457b36a0a755369e3788fc
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SHA1
1d3322cf26195bb5583525394f768445abc30eb8
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SHA256
8760dcd2ae5541c50a871d5f5e1e8a845fc5b7b65de693efe0ed641afd7502a5
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SHA512
22008dbd10dfce16ecd920a07df5970c623d872d14f18a0c2be30fea2822500accee459c7e2e88612c72a32353c27dd79e6d8f414ed3784823f3b5308486bfc6
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SSDEEP
3072:jgeWPCmabC3YUSlr6WzA9dLy/R5jwaaHw7Koj4r+uoT:c4PtUSlrdydm/tT
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\jmmwbywa\\rsejlcgq.exe" svchost.exe -
Ramnit family
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UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rsejlcgq.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rsejlcgq.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2720 jwqfmxsqcpxofbjb.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc svchost.exe -
Loads dropped DLL 4 IoCs
pid Process 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\RseJlcgq = "C:\\Users\\Admin\\AppData\\Local\\jmmwbywa\\rsejlcgq.exe" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe 2000 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe Token: SeDebugPrivilege 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe Token: SeSecurityPrivilege 3008 svchost.exe Token: SeSecurityPrivilege 2000 svchost.exe Token: SeDebugPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeSecurityPrivilege 2720 jwqfmxsqcpxofbjb.exe Token: SeLoadDriverPrivilege 2720 jwqfmxsqcpxofbjb.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe Token: SeBackupPrivilege 2000 svchost.exe Token: SeRestorePrivilege 2000 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 3008 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 30 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2000 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 31 PID 2084 wrote to memory of 2720 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 32 PID 2084 wrote to memory of 2720 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 32 PID 2084 wrote to memory of 2720 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 32 PID 2084 wrote to memory of 2720 2084 JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3008
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks BIOS information in registry
- Drops startup file
- Impair Defenses: Safe Mode Boot
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2000
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C:\Users\Admin\AppData\Local\Temp\jwqfmxsqcpxofbjb.exe"C:\Users\Admin\AppData\Local\Temp\jwqfmxsqcpxofbjb.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2720
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
1Safe Mode Boot
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
120KB
MD519b67de987457b36a0a755369e3788fc
SHA11d3322cf26195bb5583525394f768445abc30eb8
SHA2568760dcd2ae5541c50a871d5f5e1e8a845fc5b7b65de693efe0ed641afd7502a5
SHA51222008dbd10dfce16ecd920a07df5970c623d872d14f18a0c2be30fea2822500accee459c7e2e88612c72a32353c27dd79e6d8f414ed3784823f3b5308486bfc6