Analysis Overview
SHA256
21b57732a3ad05f6fd016725d55c6cd59fe733b30d4b04bc2719d14d29336d6b
Threat Level: Known bad
The file 1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Gandcrab
Deletes shadow copies
Renames multiple (253) files with added filename extension
Renames multiple (264) files with added filename extension
Checks computer location settings
Reads user/profile data of web browsers
Drops startup file
Enumerates connected drives
Sets desktop wallpaper using registry
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-06 01:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-06 01:59
Reported
2024-05-06 02:01
Platform
win7-20240220-en
Max time kernel
140s
Max time network
118s
Command Line
Signatures
Gandcrab
Deletes shadow copies
Renames multiple (264) files with added filename extension
Reads user/profile data of web browsers
Enumerates connected drives
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\bxmeoengtf.bmp" | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
Drops file in Program Files directory
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| 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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1684 wrote to memory of 2312 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | C:\Windows\SysWOW64\wbem\wmic.exe |
| PID 1684 wrote to memory of 2312 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | C:\Windows\SysWOW64\wbem\wmic.exe |
| PID 1684 wrote to memory of 2312 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | C:\Windows\SysWOW64\wbem\wmic.exe |
| PID 1684 wrote to memory of 2312 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | C:\Windows\SysWOW64\wbem\wmic.exe |
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe"
C:\Windows\SysWOW64\wbem\wmic.exe
"C:\Windows\system32\wbem\wmic.exe" shadowcopy delete
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.kakaocorp.link | udp |
Files
memory/1684-0-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/1684-1-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/1684-2-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/1684-3-0x0000000000400000-0x00000000004A7000-memory.dmp
F:\$RECYCLE.BIN\RPPTP-DECRYPT.txt
| MD5 | 23681e4631fdc81ccb5128b732b9aaf2 |
| SHA1 | 205b9a18caf8785429aefc7209b1fb6614d7e419 |
| SHA256 | b3bf74710734b76b848bd5b3c2f8d443473bb1dc3f5737f9d83262b9fda92536 |
| SHA512 | b0253cf690d8c7a3d2be9427138c46216d6162e589084f870925ec0ceba2f08ae0b13f96abe9ce82a677fb41797a43e52c582c2ae039ea7138b2829ce265f95d |
memory/1684-688-0x0000000000400000-0x00000000004A7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-06 01:59
Reported
2024-05-06 02:01
Platform
win10v2004-20240419-en
Max time kernel
141s
Max time network
125s
Command Line
Signatures
Gandcrab
Deletes shadow copies
Renames multiple (253) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\EYNIPFCTA-DECRYPT.txt | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\345f34aa345f33446e.lock | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
Reads user/profile data of web browsers
Enumerates connected drives
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\bxmeoengtf.bmp" | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
Drops file in Program Files directory
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 36 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| Token: 36 | N/A | C:\Windows\SysWOW64\wbem\wmic.exe | N/A |
| 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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1888 wrote to memory of 3172 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | C:\Windows\SysWOW64\wbem\wmic.exe |
| PID 1888 wrote to memory of 3172 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | C:\Windows\SysWOW64\wbem\wmic.exe |
| PID 1888 wrote to memory of 3172 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe | C:\Windows\SysWOW64\wbem\wmic.exe |
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a3ae8198cd91f4e8c783e1c9be8d153_JaffaCakes118.exe"
C:\Windows\SysWOW64\wbem\wmic.exe
"C:\Windows\system32\wbem\wmic.exe" shadowcopy delete
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.kakaocorp.link | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
Files
memory/1888-0-0x0000000002360000-0x000000000236D000-memory.dmp
memory/1888-1-0x0000000002560000-0x0000000002561000-memory.dmp
memory/1888-2-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/1888-3-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/1888-4-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/1888-5-0x0000000000400000-0x00000000004A7000-memory.dmp
F:\$RECYCLE.BIN\S-1-5-21-2818691465-3043947619-2475182763-1000\EYNIPFCTA-DECRYPT.txt
| MD5 | dcbfe7316dc1bb129b5840d0f9f90ae2 |
| SHA1 | de104aa938ee98841ef1b0048919cee1420969c7 |
| SHA256 | aad5c17058e2ef432584e8f7a9e617ba16e4d4ae48be84d6b46c0ee35d64e213 |
| SHA512 | 3a4490a3818a3a74f7f9e2278d869b019e5db0e7ef0f8d265752fad0b021f1441aa9383c3614d24290122db9228f1eb5f093adc557b1e1a97afb9395e1234c4b |
memory/1888-681-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/1888-682-0x0000000000400000-0x00000000004A7000-memory.dmp
memory/1888-684-0x0000000000400000-0x00000000004A7000-memory.dmp