Analysis
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max time kernel
51s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
12/06/2024, 18:50
Static task
static1
Behavioral task
behavioral1
Sample
a1d4b9d7934bf2ba046ee217d591133c_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a1d4b9d7934bf2ba046ee217d591133c_JaffaCakes118.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/frxdwew.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/frxdwew.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20240508-en
General
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Target
$PLUGINSDIR/frxdwew.dll
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Size
158KB
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MD5
c2bc7115e45cd13205ae5537c9d85947
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SHA1
06ba255cac7dd364160923898c0087e966e63505
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SHA256
8f8722ed438b81ae932e3815fe3287e35fe275d75cd9ca693509f980f9fd49ae
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SHA512
7962d572a3ace8d2aa7a336669e442b8ae0497df4c15bcca01b72391299712885263f18d8ca4099ee4b5dfd233977f0fb3d1565261e6a25652d5f9e8e8d7cde2
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SSDEEP
3072:m7tD6/asqMGd1aM61lu5xEq+JWTY/DEO7d:m7nDdYMVxFDcEO7
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1960 3776 WerFault.exe 82 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3148 wrote to memory of 3776 3148 rundll32.exe 82 PID 3148 wrote to memory of 3776 3148 rundll32.exe 82 PID 3148 wrote to memory of 3776 3148 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\frxdwew.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3148 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\frxdwew.dll,#12⤵PID:3776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3776 -s 6003⤵
- Program crash
PID:1960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3776 -ip 37761⤵PID:3016