Analysis
- max time kernel
91s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
04/04/2024, 10:35
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
b610b5c669611fbb55ed5965a8cd0c10_JaffaCakes118.exe
Resource
win7-20240221-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
b610b5c669611fbb55ed5965a8cd0c10_JaffaCakes118.exe
Resource
win10v2004-20240226-en
7 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/rznjhun.dll
Resource
win7-20240221-en
2 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/rznjhun.dll
Resource
win10v2004-20240226-en
2 signatures
150 seconds
General
- Target $PLUGINSDIR/rznjhun.dll
- Size 32KB
- Sample240404-mmmscsce4x
- SHA256 7df0582dfc9b39225e3f5db2c9d707f392fa0cf96c440388bc97f792de260563
- MD5 49e3e63ae4d93b065720946ee9cfb161
- SHA1 35634d8953dc28f7d5f9712e0f9839142f142a59
- SHA512 30a3171524548d60451ecc6e8f6c95315d7e60d4a69e54071e7ef54a916ab4e59ab4d02d5eddf12073ebffc8fc8127eedf133f787ffcb0e8e0f30f9bf699c1d6
- SSDEEP 384:Do2cnM5TGPOd/sWmfCc89ZpfUXBvqGz7z73pp/rgU/r0tTd/eWU9B3nfKAOBjn/7:02vHjphGX/rgUD0tx/Y3nSz9b
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1036 1072 WerFault.exe 85 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1888 wrote to memory of 1072 1888 rundll32.exe 85 PID 1888 wrote to memory of 1072 1888 rundll32.exe 85 PID 1888 wrote to memory of 1072 1888 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\rznjhun.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\rznjhun.dll,#12⤵PID:1072
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 7323⤵
- Program crash
PID:1036
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1072 -ip 10721⤵PID:212