Analysis
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max time kernel
104s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
01/04/2025, 16:59
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_9a5e537d9eea6f0e26eedc68fa240ec4.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral4
Sample
$PROGRAMFILES/$0/Uninstall.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral5
Sample
cmtowgosvx.exe
Resource
win10v2004-20250313-en
Behavioral task
behavioral6
Sample
imex.bat
Resource
win10v2004-20250313-en
General
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Target
$PLUGINSDIR/NSISdl.dll
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Size
14KB
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MD5
a5b84d250794433db5a2d26f34699dd9
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SHA1
bc06abccf6a4783973ec11b6766b43b4a265820c
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SHA256
96f3357a024c549d7cb9e6447b1a56a2a8029b4f12e6e597428e68620761c5e0
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SHA512
121d67f85a24096799ed913dccb64ef65d9479f98a6d88c2a0e05f05a65f460d557c5fdfe2c42a0a61b9cbaedd9b7031978111a2713250a89848ab4f3bb4ce84
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SSDEEP
192:/4lsN55M8r67wmsvJI5a299sfoG8I+WhPB3RY+h/G3DNl/qYcVp/12FgszA:/ysdM80dCI5a2LsQ5IlPNRY00AlAbU
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2036 1436 WerFault.exe 85 -
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 5644 wrote to memory of 1436 5644 rundll32.exe 85 PID 5644 wrote to memory of 1436 5644 rundll32.exe 85 PID 5644 wrote to memory of 1436 5644 rundll32.exe 85
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5644 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1436 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 6243⤵
- Program crash
PID:2036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1436 -ip 14361⤵PID:3148