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
139s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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/EstUrl.dll
-
Size
181KB
-
MD5
2c5e13287d27b526c01aace7ea92be9e
-
SHA1
3b7895f3e3f9dfa9797d2cf04ad7d3d5548210e6
-
SHA256
986ea6d67ded7e67cefe739902194751643982293154ba496d4b5076e0df38e4
-
SHA512
51702649d7ccdfd90a1b7d06699d0791ed60fa2419013deda826cfbfac57231fb06000d1e8a3bf866459ad8597393cdf95e559f575dc51c236c3205c69bc36b6
-
SSDEEP
3072:p6ZhyGy8Xpc/PalncLix4janKxZSvQiPPWS:oMGDlnb4eE+j
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3492 4328 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4688 wrote to memory of 4328 4688 rundll32.exe rundll32.exe PID 4688 wrote to memory of 4328 4688 rundll32.exe rundll32.exe PID 4688 wrote to memory of 4328 4688 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\EstUrl.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\EstUrl.dll,#12⤵PID:4328
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 6323⤵
- Program crash
PID:3492
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4328 -ip 43281⤵PID:3284