Analysis
-
max time kernel
125s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14-12-2024 19:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
21 signatures
150 seconds
General
-
Target
f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe
-
Size
2.5MB
-
MD5
f040fd8c3c97785239690b3efa460267
-
SHA1
3e982509c89951486e44d9840d611422b62a6d8f
-
SHA256
5f1bb3d9c3e49935048045d631e507dfef9301fed8088f04c75d2ad444fc9fbb
-
SHA512
cc94079386662bcf4d5dadf49519a71e9740b0a65ed8e3bb87ba64f9a58323e7d1a8aa8303d11a6ff45f711a87df76b866922a255cfdaa35b0c2cb838bd45b7f
-
SSDEEP
24576:qZW6jXZt7fQZ8BxYgFSMBd+87OnGKRHvWYkGsfJk3q60BNE7k4G3KdH00Syt5u8E:xWDMz9kGqQpjFmBfyw
Malware Config
Extracted
Family
sality
C2
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Signatures
-
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" Bifrost.exe -
Sality family
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Bifrost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" Bifrost.exe -
Executes dropped EXE 1 IoCs
pid Process 2996 Bifrost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" Bifrost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" Bifrost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" Bifrost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Bifrost.exe -
Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: Bifrost.exe File opened (read-only) \??\G: Bifrost.exe File opened (read-only) \??\R: Bifrost.exe File opened (read-only) \??\U: Bifrost.exe File opened (read-only) \??\V: Bifrost.exe File opened (read-only) \??\N: Bifrost.exe File opened (read-only) \??\P: Bifrost.exe File opened (read-only) \??\H: Bifrost.exe File opened (read-only) \??\I: Bifrost.exe File opened (read-only) \??\J: Bifrost.exe File opened (read-only) \??\K: Bifrost.exe File opened (read-only) \??\L: Bifrost.exe File opened (read-only) \??\M: Bifrost.exe File opened (read-only) \??\S: Bifrost.exe File opened (read-only) \??\W: Bifrost.exe File opened (read-only) \??\Z: Bifrost.exe File opened (read-only) \??\O: Bifrost.exe File opened (read-only) \??\Q: Bifrost.exe File opened (read-only) \??\T: Bifrost.exe File opened (read-only) \??\X: Bifrost.exe File opened (read-only) \??\Y: Bifrost.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf Bifrost.exe File opened for modification F:\autorun.inf Bifrost.exe -
resource yara_rule behavioral1/memory/2996-18-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-23-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-19-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-26-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-22-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-21-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-17-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-24-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-25-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-16-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-20-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-43-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-46-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-45-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-50-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-51-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-52-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-53-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-55-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-57-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-59-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-58-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-61-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-75-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-77-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-79-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-81-0x0000000002340000-0x00000000033CE000-memory.dmp upx behavioral1/memory/2996-83-0x0000000002340000-0x00000000033CE000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe Bifrost.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7z.exe Bifrost.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zFM.exe Bifrost.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zG.exe Bifrost.exe File opened for modification C:\PROGRAM FILES\7-ZIP\Uninstall.exe Bifrost.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI Bifrost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 1 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 Bifrost.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeDebugPrivilege 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe Token: 33 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe Token: 33 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe Token: SeDebugPrivilege 2996 Bifrost.exe Token: 33 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe Token: 33 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe Token: SeDebugPrivilege 2996 Bifrost.exe Token: SeDebugPrivilege 2996 Bifrost.exe Token: SeDebugPrivilege 2996 Bifrost.exe Token: SeDebugPrivilege 2996 Bifrost.exe Token: SeDebugPrivilege 2996 Bifrost.exe Token: SeDebugPrivilege 2996 Bifrost.exe Token: SeDebugPrivilege 2996 Bifrost.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2996 Bifrost.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe 2996 Bifrost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2496 wrote to memory of 2996 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe 30 PID 2496 wrote to memory of 2996 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe 30 PID 2496 wrote to memory of 2996 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe 30 PID 2496 wrote to memory of 2996 2496 f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe 30 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 PID 2996 wrote to memory of 1048 2996 Bifrost.exe 17 PID 2996 wrote to memory of 1080 2996 Bifrost.exe 19 PID 2996 wrote to memory of 1160 2996 Bifrost.exe 21 PID 2996 wrote to memory of 1436 2996 Bifrost.exe 25 PID 2996 wrote to memory of 2496 2996 Bifrost.exe 29 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Bifrost.exe
Processes
-
C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1048
-
C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1080
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1160
-
C:\Users\Admin\AppData\Local\Temp\f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f040fd8c3c97785239690b3efa460267_JaffaCakes118.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Users\Admin\AppData\Local\Temp\Bifrost.exe"C:\Users\Admin\AppData\Local\Temp\Bifrost.exe"3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2996
-
-
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1436
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.8MB
MD5942d2d483fba954d9799d8aeead508d0
SHA16b23a7b341b003adbfed53f0f3fe69f05774bf8b
SHA256ef690ede8d93a9492d4c8844b5378eca60b9b761e8d83ee21567dc38b1c435ca
SHA5120af3e5fdb2614f5a3372470ee7970256a8fb0c7b7b5322722713a049d7da65267842e5032c438bc6f2eceba0f30cfa6417992473989bcc5668459939d06906e2
-
Filesize
100KB
MD50b67f7f8017b9aa413b9776e8ac6bcce
SHA108ee03bfc71f943e2021b1663fc829eba1eb3ab2
SHA2560b2a1f31b57fc8b9312a720cc2bbb2c2914ecea7dcd2b157b4be9ad4d9f2d769
SHA512f14fc2adeb61a32efb56fe895b0f81565affba69157e25d3252b788de082ec069071c5ad37d29925d428acc20d8f813afff7c60172ae2d535546ff3ae9e6d1e6