Analysis
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max time kernel
146s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-08-2024 15:20
Static task
static1
Behavioral task
behavioral1
Sample
b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe
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Size
49KB
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MD5
b3fc5641cdef7154849f100e95869217
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SHA1
4e9da6868d7faf9d3dd6cf6b5fe35f8dbf9fe19a
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SHA256
395d9806fa677fa0d3cfd149fff01049c0107ad3343dbfcd8b8cb6fe54bc8ed2
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SHA512
f6cf06ac0a31cfc41848a93f7b2528ff3b3c3264be9ab9006e71fea1946b4c3915c50d7ebea80b2fc70ac2ddcc1c318b3ec1089e93a30fe02b1b09d83080a1a9
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SSDEEP
768:fCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9Jw:7bw/6plBTFBYNNR9Jw
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
winver.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B34353D0 = "C:\\Users\\Admin\\AppData\\Roaming\\B34353D0\\bin.exe" winver.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2600 876 WerFault.exe winver.exe -
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.
Processes:
b3fc5641cdef7154849f100e95869217_JaffaCakes118.exewinver.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Modifies registry class 1 IoCs
Processes:
Explorer.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
winver.exepid process 876 winver.exe 876 winver.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3476 Explorer.EXE Token: SeCreatePagefilePrivilege 3476 Explorer.EXE Token: SeShutdownPrivilege 3476 Explorer.EXE Token: SeCreatePagefilePrivilege 3476 Explorer.EXE Token: SeShutdownPrivilege 3476 Explorer.EXE Token: SeCreatePagefilePrivilege 3476 Explorer.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
winver.exeExplorer.EXEpid process 876 winver.exe 3476 Explorer.EXE 3476 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3476 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
b3fc5641cdef7154849f100e95869217_JaffaCakes118.exewinver.exedescription pid process target process PID 4908 wrote to memory of 876 4908 b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe winver.exe PID 4908 wrote to memory of 876 4908 b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe winver.exe PID 4908 wrote to memory of 876 4908 b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe winver.exe PID 4908 wrote to memory of 876 4908 b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe winver.exe PID 876 wrote to memory of 3476 876 winver.exe Explorer.EXE PID 876 wrote to memory of 3036 876 winver.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:3036
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3476 -
C:\Users\Admin\AppData\Local\Temp\b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 3524⤵
- Program crash
PID:2600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 876 -ip 8761⤵PID:1060