Overview
overview
7Static
static
3658f78184b...18.exe
windows7-x64
7658f78184b...18.exe
windows10-2004-x64
7$PLUGINSDI...rl.dll
windows7-x64
3$PLUGINSDI...rl.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows7-x64
1$PLUGINSDI...nu.dll
windows10-2004-x64
1$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows7-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
3$PLUGINSDI...b2.dll
windows7-x64
3$PLUGINSDI...b2.dll
windows10-2004-x64
3$PLUGINSDI...on.dll
windows7-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDI...ib.dll
windows7-x64
1$PLUGINSDI...ib.dll
windows10-2004-x64
1$PROGRAMFI...R6.exe
windows7-x64
1$PROGRAMFI...R6.exe
windows10-2004-x64
1$PROGRAMFI...zt.exe
windows7-x64
1$PROGRAMFI...zt.exe
windows10-2004-x64
1$R6.exe
windows7-x64
1$R6.exe
windows10-2004-x64
1Analysis
-
max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 01:41
Static task
static1
Behavioral task
behavioral1
Sample
658f78184be7051163d1b46cec615012_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
658f78184be7051163d1b46cec615012_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/EstUrl.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/EstUrl.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsWeb2.dll
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsWeb2.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/workerExtension.dll
Resource
win7-20240508-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/workerExtension.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/zumlib.dll
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/zumlib.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
$PROGRAMFILES/ESTsoft/ALUpdate/$R6.exe
Resource
win7-20240419-en
Behavioral task
behavioral18
Sample
$PROGRAMFILES/ESTsoft/ALUpdate/$R6.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
$PROGRAMFILES/ESTsoft/Common/ezt.exe
Resource
win7-20240508-en
Behavioral task
behavioral20
Sample
$PROGRAMFILES/ESTsoft/Common/ezt.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral21
Sample
$R6.exe
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
$R6.exe
Resource
win10v2004-20240426-en
General
-
Target
$PLUGINSDIR/nsWeb2.dll
-
Size
197KB
-
MD5
d8113c015116547827b0cdc4869c244a
-
SHA1
82392f5483c6c175b3955cdf39aa87d550266ecc
-
SHA256
b7baa631014fbda8fdce67c8b660de8507aaee9b8c572d21746b3078341d3885
-
SHA512
907c61006a58dcafa812f03fa08b58814950f66e9019bfcc12eefc59b0f7ab2ddee040e2ab162b7e09c3f47cdc71c914307a6fe7b89e11033edea7131fc2f563
-
SSDEEP
3072:js1jmrert4EBLiFM1cKaWHcW8muKCs429ZSQStnB2:jsMaQNugi
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2660 1944 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1936 wrote to memory of 1944 1936 rundll32.exe rundll32.exe PID 1936 wrote to memory of 1944 1936 rundll32.exe rundll32.exe PID 1936 wrote to memory of 1944 1936 rundll32.exe rundll32.exe PID 1936 wrote to memory of 1944 1936 rundll32.exe rundll32.exe PID 1936 wrote to memory of 1944 1936 rundll32.exe rundll32.exe PID 1936 wrote to memory of 1944 1936 rundll32.exe rundll32.exe PID 1936 wrote to memory of 1944 1936 rundll32.exe rundll32.exe PID 1944 wrote to memory of 2660 1944 rundll32.exe WerFault.exe PID 1944 wrote to memory of 2660 1944 rundll32.exe WerFault.exe PID 1944 wrote to memory of 2660 1944 rundll32.exe WerFault.exe PID 1944 wrote to memory of 2660 1944 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWeb2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWeb2.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 2323⤵
- Program crash
PID:2660