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Analysis
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max time kernel
129s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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
-
Size
158KB
-
MD5
08be5628b02c48eca543addcdddbb675
-
SHA1
d639ad7383fab427e914201fe7ef9b31703732f6
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SHA256
e46dcf3c71ad231a37a441a55665b543e7828bd7bb113899b00d893423ef6ff0
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SHA512
f7948f5ae1d9749abebcf5e20e44689bcdc721e7ce0249c3dcd2e4e2ee35bbc6d1529f404aa1809aad4cf38518c256c0b9d2981956dbe7d56237baa232c20a8e
-
SSDEEP
3072:kCI3EaRcGg3LfzhuuP0UU1+ZWLYluDg6Sp7d:kCVz370UmrLM7
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4312 412 WerFault.exe 84 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4904 wrote to memory of 412 4904 rundll32.exe 84 PID 4904 wrote to memory of 412 4904 rundll32.exe 84 PID 4904 wrote to memory of 412 4904 rundll32.exe 84
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:4904 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gnumhdu.dll,#12⤵PID:412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 412 -s 6003⤵
- Program crash
PID:4312
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 412 -ip 4121⤵PID:1388