Analysis
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max time kernel
150s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
25-01-2025 21:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe
Resource
win7-20241023-en
windows7-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe
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Size
109KB
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MD5
2fc1bfd1abbd12a7e672e56a77c2ec38
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SHA1
02f1fe712b443625e993f5379ceed9e8f0c5ef1d
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SHA256
108642747e2414d32de711f9acc2b53488b1de153db1b5f771435af3ece10a49
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SHA512
4139c679bf3aa14fa72fcbe1c312868c96248aa2defe2001f13aaf0f69efcddcb2c915555b60770b6a8f857610aef6897b176d2bf40e43acbfbb226275efd055
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SSDEEP
3072:CYhix86fzQFCixL3f1fKpEZqObx4J2vNbGfvGnd3gW5ZM4/u:CQm8yzQQitfhKqZbNdndPZMT
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\\rboormgk\\adqqcfwi.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 created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\adqqcfwi.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\adqqcfwi.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 568 rmbyeonvrjcihios.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power svchost.exe -
Loads dropped DLL 4 IoCs
pid Process 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\AdqQcfwi = "C:\\Users\\Admin\\AppData\\Local\\rboormgk\\adqqcfwi.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 4 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_2fc1bfd1abbd12a7e672e56a77c2ec38.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rmbyeonvrjcihios.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe Token: SeDebugPrivilege 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe Token: SeSecurityPrivilege 2084 svchost.exe Token: SeSecurityPrivilege 2768 svchost.exe Token: SeDebugPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeSecurityPrivilege 568 rmbyeonvrjcihios.exe Token: SeLoadDriverPrivilege 568 rmbyeonvrjcihios.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe Token: SeBackupPrivilege 2768 svchost.exe Token: SeRestorePrivilege 2768 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2084 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 30 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 2768 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 31 PID 2616 wrote to memory of 568 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 32 PID 2616 wrote to memory of 568 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 32 PID 2616 wrote to memory of 568 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 32 PID 2616 wrote to memory of 568 2616 JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fc1bfd1abbd12a7e672e56a77c2ec38.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2084
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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:2768
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C:\Users\Admin\AppData\Local\Temp\rmbyeonvrjcihios.exe"C:\Users\Admin\AppData\Local\Temp\rmbyeonvrjcihios.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:568
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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
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Downloads
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Filesize
109KB
MD52fc1bfd1abbd12a7e672e56a77c2ec38
SHA102f1fe712b443625e993f5379ceed9e8f0c5ef1d
SHA256108642747e2414d32de711f9acc2b53488b1de153db1b5f771435af3ece10a49
SHA5124139c679bf3aa14fa72fcbe1c312868c96248aa2defe2001f13aaf0f69efcddcb2c915555b60770b6a8f857610aef6897b176d2bf40e43acbfbb226275efd055