Analysis
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max time kernel
140s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/09/2024, 10:40
Static task
static1
Behavioral task
behavioral1
Sample
f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe
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Size
309KB
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MD5
f830be2a4a74177a99819ceba7877875
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SHA1
64029b04c945ceeb8ac8018e8d993ae9fbb09dbe
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SHA256
4f461c1102bae68097c3f874fdce20ef4f476be038cc76f593ebe8c188a202b0
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SHA512
93d52a7a3efaaefc6e3b901e3b7c6337995e07636e60793fb57fc8ee22e200fb53e78549a6cbf1be4302df5328e924f0f95134790bc41610960e9090e6176c0e
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SSDEEP
6144:IqnvlYNg4LVaQz+C0X/T3PxcUVXnMIK3bvC/Nh4:Fv+XRa1Jb3pLVXMIK3Lgh4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 332 csrss.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops desktop.ini file(s) 2 IoCs
description ioc Process File created \systemroot\assembly\GAC_64\Desktop.ini csrss.exe File created \systemroot\assembly\GAC_32\Desktop.ini csrss.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2272 set thread context of 1376 2272 f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe 30 -
resource yara_rule behavioral1/memory/2272-31-0x0000000000350000-0x0000000000366000-memory.dmp upx -
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 f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \registry\machine\Software\Classes\Interface\{6309c5e8-cf71-f152-4438-0838fc78b4dd} explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6309c5e8-cf71-f152-4438-0838fc78b4dd}\u = "860049491" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6309c5e8-cf71-f152-4438-0838fc78b4dd}\cid = "5677627718319526764" explorer.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1376 explorer.exe 1376 explorer.exe 1376 explorer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1376 explorer.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 332 csrss.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2272 wrote to memory of 1376 2272 f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe 30 PID 2272 wrote to memory of 1376 2272 f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe 30 PID 2272 wrote to memory of 1376 2272 f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe 30 PID 2272 wrote to memory of 1376 2272 f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe 30 PID 2272 wrote to memory of 1376 2272 f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe 30 PID 1376 wrote to memory of 332 1376 explorer.exe 2 PID 332 wrote to memory of 2464 332 csrss.exe 31 PID 332 wrote to memory of 2464 332 csrss.exe 31
Processes
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:332
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C:\Users\Admin\AppData\Local\Temp\f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f830be2a4a74177a99819ceba7877875_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\explorer.exe000000D0*2⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376
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C:\Windows\system32\wbem\WMIADAP.EXEwmiadap.exe /F /T /R1⤵PID:2464
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD568689b2e7472e2cfb3f39da8a59505d9
SHA15be15784ab1193dc13ac24ec1efcabded5fe2df4
SHA256f304eb2cf6479a4fb36fef81c6df4d0225e251002e8f06f26ee196210bf3d168
SHA512269999061cd54b23b92d385689682e687ae9030bc5d26d79dd5e99f72fa4b4eef41f5a7b555325bd558771db92e2feb8a67fb40c87223be9e23ccb498b3bbc88