Analysis Overview
SHA256
f2416b31c7a3b9671b5a90fea79c0c0830f5c7bf8735f0ff7af250214bf18192
Threat Level: Known bad
The file 1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Gozi
Checks computer location settings
UPX packed file
Loads dropped DLL
Adds Run key to start application
Checks installed software on the system
Sets desktop wallpaper using registry
Drops file in System32 directory
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Checks processor information in registry
Modifies Control Panel
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-01 08:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-01 08:10
Reported
2024-07-01 08:12
Platform
win7-20240221-en
Max time kernel
140s
Max time network
118s
Command Line
Signatures
Gozi
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1728 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1728 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1728 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1728 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 160
Network
Files
memory/1728-0-0x0000000000400000-0x0000000000436000-memory.dmp
memory/1728-1-0x0000000000400000-0x0000000000436000-memory.dmp
memory/1728-3-0x0000000000220000-0x0000000000250000-memory.dmp
memory/1728-2-0x0000000000400000-0x0000000000436000-memory.dmp
memory/1728-4-0x0000000000400000-0x0000000000436000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-01 08:10
Reported
2024-07-01 08:12
Platform
win10v2004-20240508-en
Max time kernel
140s
Max time network
61s
Command Line
Signatures
Gozi
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\lphcv4mj0e158 = "C:\\Windows\\system32\\lphcv4mj0e158.exe" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
Checks installed software on the system
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\phcv4mj0e158.bmp | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\blphcv4mj0e158.scr | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\Wallpaper = "C:\\Windows\\system32\\phcv4mj0e158.bmp" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\system32\vssvc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters | C:\Windows\system32\vssvc.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters | C:\Windows\system32\vssvc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr | C:\Windows\system32\vssvc.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 | C:\Windows\system32\vssvc.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Colors\Background = "0 0 255" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\WallpaperStyle = "0" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\TileWallpaper = "0" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\OriginalWallpaper = "C:\\Windows\\system32\\phcv4mj0e158.bmp" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ConvertedWallpaper = "C:\\Windows\\system32\\phcv4mj0e158.bmp" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\blphcv4mj0e158.scr" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveActive = "1" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5000 wrote to memory of 4604 | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | C:\Windows\SysWOW64\WScript.exe |
| PID 5000 wrote to memory of 4604 | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | C:\Windows\SysWOW64\WScript.exe |
| PID 5000 wrote to memory of 4604 | N/A | C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe | C:\Windows\SysWOW64\WScript.exe |
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a8c526fef68c1289cd41addf512d9d8_JaffaCakes118.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.tt4093.tmp.vbs"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\srtasks.exe
C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
C:\Windows\system32\srtasks.exe
C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | windowsupdate.microsoft.com | udp |
| US | 8.8.8.8:53 | windowsupdate.microsoft.com | udp |
| US | 8.8.8.8:53 | windowsupdate.microsoft.com | udp |
| US | 8.8.8.8:53 | avxp-2008.com | udp |
Files
memory/5000-0-0x0000000000400000-0x0000000000436000-memory.dmp
memory/5000-1-0x0000000000400000-0x0000000000436000-memory.dmp
memory/5000-2-0x0000000000400000-0x0000000000436000-memory.dmp
memory/5000-5-0x0000000000404000-0x0000000000406000-memory.dmp
memory/5000-4-0x00000000006A0000-0x00000000006D0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\.tt4093.tmp.vbs
| MD5 | 9df700c8f6fd43fac0a89aef04214bbd |
| SHA1 | 6ec8bc6d4041ccf19757757c0da6592469f71c57 |
| SHA256 | 9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd |
| SHA512 | 8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d |
C:\Windows\SysWOW64\blphcv4mj0e158.scr
| MD5 | 538f9ead95eba12134d95b4fe7082331 |
| SHA1 | 527c50b92b5cededdd5b7e3edda71cb13d108dac |
| SHA256 | a416bab39037854c14540edaaf80cff7b5f2e9db31eee235527574e8dedd54e6 |
| SHA512 | 4631ff7cf868348585ee0e26591b95be3ee8b232c7980f5013f4464f285b0fbdef41794c44cb8653d6fb6dc815c0c0a9f4af780bfeb9b23d2f4c3bdc62bf4581 |
memory/5000-16-0x0000000002E10000-0x0000000002EC4000-memory.dmp
memory/5000-17-0x0000000000400000-0x0000000000436000-memory.dmp