Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12-09-2024 15:27
Static task
static1
Behavioral task
behavioral1
Sample
dc83500f11eef58ddbb21c9dd2d17729_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dc83500f11eef58ddbb21c9dd2d17729_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
jy2091qep.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
jy2091qep.dll
Resource
win10v2004-20240802-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
fccff8cb7a1067e23fd2e2b63971a8e1
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SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91
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SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e
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SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c
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SSDEEP
192:xPtkiQJr7V9r3HcU17S8g1w5xzWxy6j2V7i77blbTc4v:g7VpNo8gmOyRsVc4
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 4568 3656 WerFault.exe 83 -
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 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4820 wrote to memory of 3656 4820 rundll32.exe 83 PID 4820 wrote to memory of 3656 4820 rundll32.exe 83 PID 4820 wrote to memory of 3656 4820 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4820 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3656 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 6123⤵
- Program crash
PID:4568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3656 -ip 36561⤵PID:2828