Analysis
- max time kernel
95s - max time network
97s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
24/09/2024, 18:44
Static task
static1
Behavioral task
behavioral1
Sample
f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe
Resource
win7-20240903-en
8 signatures
150 seconds
General
- Target f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe
- Size 239KB
- Sample240924-xdsblascmd
- SHA256 67c08d2a21a3ade47ed790aa65ef7cbb117e32300b432f5be97d5ff13c745247
- MD5 f447d7a2f7cfb24db6b3c42716b16457
- SHA1 6c898d8bc1b2311859b34df36e0ba9c392a30b9f
- SHA512 b303f0d106ce5fadda89346e78516ca8251dd532f1efa2540085b665d9de6dbba03c77bdc7007294a893f62a5e1fe22790513b97261eb6ba4eed1aac4d870e1a
- SSDEEP 6144:BVNqZlMVBQ9Z8sugUnQsIqrQNIlK3cMCjq:tqZlMbQHugUQsI3NK0cMCjq
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
buer
C2
-
https://104.248.83.13/
Signatures
-
resource yara_rule behavioral2/memory/2320-0-0x0000000000750000-0x000000000075F000-memory.dmp buer behavioral2/memory/2320-4-0x00000000005A0000-0x00000000005AD000-memory.dmp buer behavioral2/memory/2320-6-0x0000000040000000-0x000000004000C000-memory.dmp buer - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4896 powershell.exe - Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\K: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\L: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\S: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\Z: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\A: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\G: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\J: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\Q: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\V: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\X: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\Y: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\E: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\H: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\M: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\R: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\U: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\W: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\B: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\N: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\O: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\I: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\P: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe File opened (read-only) \??\T: f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4744 2320 WerFault.exe 81 - System Location Discovery: System Language Discovery 1 TTPs 2 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 f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4896 powershell.exe 4896 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4896 powershell.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2320 wrote to memory of 4896 2320 f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe 90 PID 2320 wrote to memory of 4896 2320 f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe 90 PID 2320 wrote to memory of 4896 2320 f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f447d7a2f7cfb24db6b3c42716b16457_JaffaCakes118.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\6faec8ef1be897ef7497}"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4896
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 12082⤵
- Program crash
PID:4744
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2320 -ip 23201⤵PID:4952
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h324fhbg.xpj.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512