Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
09/05/2024, 03:52
Static task
static1
Behavioral task
behavioral1
Sample
282fde594cfe750641f53a8aaa35d8d5_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
282fde594cfe750641f53a8aaa35d8d5_JaffaCakes118.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/utu.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/utu.dll
Resource
win10v2004-20240508-en
General
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Target
$PLUGINSDIR/utu.dll
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Size
108KB
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MD5
c682db5dd38efe982e120b6c7d2951cd
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SHA1
27fd523ea4e9c74e6009ed51273fb5d7fa890bac
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SHA256
1ee9aa15ec183ec4a6dcca145c0e76fb9eb33f80b96bc63efe99750f1618ffc1
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SHA512
cde5b3ac50e709cd26986ccf2829df92a01d30bb48de5c3a1bbcdffd2ff9c1b68787278a36c54ff95d42e909c954406391171b93c6ecdc6a739454bdd4f7ba61
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SSDEEP
1536:FoYJnpkyuwsit3yP6tV6svj8tfukHqRWaHUgVLSN1v9P+FXllUiB+gVNhtz:FoYJnpkycKyUX7XB29QXjUd2tz
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 496 2812 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2952 wrote to memory of 2812 2952 rundll32.exe 28 PID 2952 wrote to memory of 2812 2952 rundll32.exe 28 PID 2952 wrote to memory of 2812 2952 rundll32.exe 28 PID 2952 wrote to memory of 2812 2952 rundll32.exe 28 PID 2952 wrote to memory of 2812 2952 rundll32.exe 28 PID 2952 wrote to memory of 2812 2952 rundll32.exe 28 PID 2952 wrote to memory of 2812 2952 rundll32.exe 28 PID 2812 wrote to memory of 496 2812 rundll32.exe 29 PID 2812 wrote to memory of 496 2812 rundll32.exe 29 PID 2812 wrote to memory of 496 2812 rundll32.exe 29 PID 2812 wrote to memory of 496 2812 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\utu.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\utu.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 2203⤵
- Program crash
PID:496
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