Overview
overview
7Static
static
305df8d890e...18.exe
windows7-x64
705df8d890e...18.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ib.dll
windows7-x64
3$PLUGINSDI...ib.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$R0.dll
windows7-x64
1$R0.dll
windows10-2004-x64
1$R2/NSIS.L...2_.exe
windows7-x64
1$R2/NSIS.L...2_.exe
windows10-2004-x64
1$SYSDIR/DWSHK80.dll
windows7-x64
1$SYSDIR/DWSHK80.dll
windows10-2004-x64
1$SYSDIR/MSVBVM60.dll
windows7-x64
1$SYSDIR/MSVBVM60.dll
windows10-2004-x64
1$SYSDIR/VB6KO.dll
windows7-x64
1$SYSDIR/VB6KO.dll
windows10-2004-x64
1$SYSDIR/dwsbc80.dll
windows7-x64
1$SYSDIR/dwsbc80.dll
windows10-2004-x64
1$SYSDIR/dw...80.dll
windows7-x64
1$SYSDIR/dw...80.dll
windows10-2004-x64
1UrlUpdate.exe
windows7-x64
7UrlUpdate.exe
windows10-2004-x64
7efbbar.dll
windows7-x64
1efbbar.dll
windows10-2004-x64
1efsbar.dll
windows7-x64
1efsbar.dll
windows10-2004-x64
1iewindow.exe
windows7-x64
1iewindow.exe
windows10-2004-x64
1nnlogon.exe
windows7-x64
1nnlogon.exe
windows10-2004-x64
1Analysis
- max time kernel
51s - max time network
53s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
20/06/2024, 12:11
Static task
static1
Behavioral task
behavioral1
Sample
05df8d890eb18614a7d206b41453d306_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
05df8d890eb18614a7d206b41453d306_JaffaCakes118.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/TypeLib.dll
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/TypeLib.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240611-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
$R0.dll
Resource
win7-20240611-en
Behavioral task
behavioral10
Sample
$R0.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral11
Sample
$R2/NSIS.Library.RegTool.v3.$_2_.exe
Resource
win7-20240611-en
Behavioral task
behavioral12
Sample
$R2/NSIS.Library.RegTool.v3.$_2_.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
$SYSDIR/DWSHK80.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$SYSDIR/DWSHK80.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
$SYSDIR/MSVBVM60.dll
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
$SYSDIR/MSVBVM60.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
$SYSDIR/VB6KO.dll
Resource
win7-20240611-en
Behavioral task
behavioral18
Sample
$SYSDIR/VB6KO.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
$SYSDIR/dwsbc80.dll
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
$SYSDIR/dwsbc80.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
$SYSDIR/dwshengine80.dll
Resource
win7-20240419-en
Behavioral task
behavioral22
Sample
$SYSDIR/dwshengine80.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral23
Sample
UrlUpdate.exe
Resource
win7-20240611-en
Behavioral task
behavioral24
Sample
UrlUpdate.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
efbbar.dll
Resource
win7-20240611-en
Behavioral task
behavioral26
Sample
efbbar.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
efsbar.dll
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
efsbar.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral29
Sample
iewindow.exe
Resource
win7-20240611-en
Behavioral task
behavioral30
Sample
iewindow.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
nnlogon.exe
Resource
win7-20240508-en
Behavioral task
behavioral32
Sample
nnlogon.exe
Resource
win10v2004-20240508-en
General
- Target $PLUGINSDIR/System.dll
- Size 11KB
- Sample240620-pczehs1bpr
- SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
- MD5 c17103ae9072a06da581dec998343fc1
- SHA1 b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
- SHA512 d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
- SSDEEP 192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4640 3908 WerFault.exe 81 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3152 wrote to memory of 3908 3152 rundll32.exe 81 PID 3152 wrote to memory of 3908 3152 rundll32.exe 81 PID 3152 wrote to memory of 3908 3152 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:3908
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 6123⤵
- Program crash
PID:4640
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3908 -ip 39081⤵PID:3692