Analysis
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max time kernel
150s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 07:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
15 signatures
150 seconds
General
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Target
eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe
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Size
100KB
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MD5
eacf4b7f8034890b3027188d63101a7a
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SHA1
a29065ba9cc060581120a9654a8a17cfea0af547
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SHA256
1496ef9cf3d0311bf111defeaabdec1006cca1177561715cd79ae2246e410d5e
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SHA512
a8e7565717e5b52d6d4594dbf1d29ac564af588a5dc3998cc4f89877226883b9833c765464dd9acd0f148c9847274b02ed37ee2d8844ac04dd64cc970c21b40e
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SSDEEP
3072:uWddijJxspyRcPXmdekp2GVk8jwaaHw7Koj4rDMxx:xddij7swMXqVuW
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\\atkhcovm\\iactmrfd.exe" svchost.exe -
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\iactmrfd.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\iactmrfd.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2756 afwortejxdnrxvfu.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 5 IoCs
pid Process 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\IacTmrfd = "C:\\Users\\Admin\\AppData\\Local\\atkhcovm\\iactmrfd.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 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.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 afwortejxdnrxvfu.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe 2684 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 472 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe Token: SeDebugPrivilege 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe Token: SeSecurityPrivilege 2536 svchost.exe Token: SeSecurityPrivilege 2684 svchost.exe Token: SeDebugPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeSecurityPrivilege 2756 afwortejxdnrxvfu.exe Token: SeLoadDriverPrivilege 2756 afwortejxdnrxvfu.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe Token: SeBackupPrivilege 2684 svchost.exe Token: SeRestorePrivilege 2684 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2536 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 30 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2684 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 31 PID 3008 wrote to memory of 2756 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 32 PID 3008 wrote to memory of 2756 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 32 PID 3008 wrote to memory of 2756 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 32 PID 3008 wrote to memory of 2756 3008 eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eacf4b7f8034890b3027188d63101a7a_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2536
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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:2684
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C:\Users\Admin\AppData\Local\Temp\afwortejxdnrxvfu.exe"C:\Users\Admin\AppData\Local\Temp\afwortejxdnrxvfu.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2756
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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
100KB
MD5eacf4b7f8034890b3027188d63101a7a
SHA1a29065ba9cc060581120a9654a8a17cfea0af547
SHA2561496ef9cf3d0311bf111defeaabdec1006cca1177561715cd79ae2246e410d5e
SHA512a8e7565717e5b52d6d4594dbf1d29ac564af588a5dc3998cc4f89877226883b9833c765464dd9acd0f148c9847274b02ed37ee2d8844ac04dd64cc970c21b40e