Analysis
-
max time kernel
94s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2024, 17:00
Static task
static1
Behavioral task
behavioral1
Sample
0fbf6aebb7abe0cf6397511870b68341_JaffaCakes118.dll
Resource
win7-20240903-en
General
-
Target
0fbf6aebb7abe0cf6397511870b68341_JaffaCakes118.dll
-
Size
264KB
-
MD5
0fbf6aebb7abe0cf6397511870b68341
-
SHA1
4ade45cb13aaff6812047d68bb6c4c9caa20694b
-
SHA256
b2f2278e08e7948fdadb10567269e42b9afe2922e650d5e5bee2990432386370
-
SHA512
a4a519b441bafd41c354cdd80d41ddacc9150325988628994943c0dde939c40c5410e4b3a4ffb3cac96e23da7e0771a668b7a17c62d28ba9a0065231c487fd6b
-
SSDEEP
3072:n4vRJRkTcZ7fcxdl5CTdBoEBClwrnfJMtZbzOPrLToxdv0/pMBLCAivV+8KjvYfC:nXHngrXV6L/0cPjMN/m+POz
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 4164 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral2/files/0x000900000002346d-3.dat upx behavioral2/memory/4164-4-0x0000000000400000-0x000000000045B000-memory.dmp upx behavioral2/memory/4164-7-0x0000000000400000-0x000000000045B000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4168 4164 WerFault.exe 83 -
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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32mgr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 180 wrote to memory of 3392 180 rundll32.exe 82 PID 180 wrote to memory of 3392 180 rundll32.exe 82 PID 180 wrote to memory of 3392 180 rundll32.exe 82 PID 3392 wrote to memory of 4164 3392 rundll32.exe 83 PID 3392 wrote to memory of 4164 3392 rundll32.exe 83 PID 3392 wrote to memory of 4164 3392 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0fbf6aebb7abe0cf6397511870b68341_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:180 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0fbf6aebb7abe0cf6397511870b68341_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4164 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 2644⤵
- Program crash
PID:4168
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4164 -ip 41641⤵PID:1584
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
105KB
MD51713dcea0892955ae4ad238bf4b9a34d
SHA1172c10720153e717402654f97ad56516f43705bf
SHA256e4cbc03a8bea10728e756b7187435b3675af2d45ace12e6b6641e44b25d54b23
SHA512e0a0a1ec9e9380bcc1692016dcadb6b794ef13e3a49b9709799c8b281401cd0faa0b63b0aa0fa750820cdec674f7c6e02e259e66cf843975fcbd49e9c1be021c