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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
05/05/2024, 03:23
Static task
static1
Behavioral task
behavioral1
Sample
15c380a206e671072560129ced0c830f_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
15c380a206e671072560129ced0c830f_JaffaCakes118.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/gnumhdu.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/gnumhdu.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20240426-en
General
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Target
$PLUGINSDIR/gnumhdu.dll
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Size
158KB
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MD5
08be5628b02c48eca543addcdddbb675
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SHA1
d639ad7383fab427e914201fe7ef9b31703732f6
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SHA256
e46dcf3c71ad231a37a441a55665b543e7828bd7bb113899b00d893423ef6ff0
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SHA512
f7948f5ae1d9749abebcf5e20e44689bcdc721e7ce0249c3dcd2e4e2ee35bbc6d1529f404aa1809aad4cf38518c256c0b9d2981956dbe7d56237baa232c20a8e
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SSDEEP
3072:kCI3EaRcGg3LfzhuuP0UU1+ZWLYluDg6Sp7d:kCVz370UmrLM7
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2628 2052 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2344 wrote to memory of 2052 2344 rundll32.exe 28 PID 2344 wrote to memory of 2052 2344 rundll32.exe 28 PID 2344 wrote to memory of 2052 2344 rundll32.exe 28 PID 2344 wrote to memory of 2052 2344 rundll32.exe 28 PID 2344 wrote to memory of 2052 2344 rundll32.exe 28 PID 2344 wrote to memory of 2052 2344 rundll32.exe 28 PID 2344 wrote to memory of 2052 2344 rundll32.exe 28 PID 2052 wrote to memory of 2628 2052 rundll32.exe 29 PID 2052 wrote to memory of 2628 2052 rundll32.exe 29 PID 2052 wrote to memory of 2628 2052 rundll32.exe 29 PID 2052 wrote to memory of 2628 2052 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gnumhdu.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gnumhdu.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 2203⤵
- Program crash
PID:2628
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