Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240319-en -
resource tags
arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system -
submitted
15-04-2024 14:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f13fb984e1442866259247cedc9b9677_JaffaCakes118.dll
Resource
win7-20240319-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
f13fb984e1442866259247cedc9b9677_JaffaCakes118.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
f13fb984e1442866259247cedc9b9677_JaffaCakes118.dll
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Size
52KB
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MD5
f13fb984e1442866259247cedc9b9677
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SHA1
3fabf9aff0139dcab118323161ba9fef35764c5f
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SHA256
13f919e4c6e4d48a186f9ecc0077c66eff46c662bc0c70a5458f49d1ff05668f
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SHA512
a056040e1fe09ef1710af14ee1800c059a3d5b6475b027fb2361bc579a2a1d2e78f7a5c89ef207622a2a7711f679d4bb6ba71a9c2343776809111bc91aabc75c
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SSDEEP
1536:mXovzEtOz1Dqd072TEUgK3sdEALj/HrSJr+9tZk0aA:BzEtOxaTpRo6Jr+DZx
Score
5/10
Malware Config
Signatures
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Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\espter.sys rundll32.exe File created C:\Windows\SysWOW64\sperls.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\sperls.dll rundll32.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2200 rundll32.exe 2200 rundll32.exe 2200 rundll32.exe 2200 rundll32.exe 2200 rundll32.exe 2200 rundll32.exe 2200 rundll32.exe 2200 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2200 rundll32.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2200 2384 rundll32.exe 28 PID 2384 wrote to memory of 2200 2384 rundll32.exe 28 PID 2384 wrote to memory of 2200 2384 rundll32.exe 28 PID 2384 wrote to memory of 2200 2384 rundll32.exe 28 PID 2384 wrote to memory of 2200 2384 rundll32.exe 28 PID 2384 wrote to memory of 2200 2384 rundll32.exe 28 PID 2384 wrote to memory of 2200 2384 rundll32.exe 28 PID 2200 wrote to memory of 1272 2200 rundll32.exe 21
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1272
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f13fb984e1442866259247cedc9b9677_JaffaCakes118.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f13fb984e1442866259247cedc9b9677_JaffaCakes118.dll,#13⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2200
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