Overview
overview
10Static
static
3f9c81b8a51...18.exe
windows7-x64
10f9c81b8a51...18.exe
windows10-2004-x64
10$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...bs.exe
windows7-x64
10$PLUGINSDI...bs.exe
windows10-2004-x64
10$PLUGINSDI...ad.dll
windows7-x64
3$PLUGINSDI...ad.dll
windows10-2004-x64
3$PLUGINSDI..._U.dll
windows7-x64
3$PLUGINSDI..._U.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3$PLUGINSDIR/timet.dll
windows7-x64
3$PLUGINSDIR/timet.dll
windows10-2004-x64
3Analysis
-
max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-12-2024 02:40
Static task
static1
Behavioral task
behavioral1
Sample
f9c81b8a5139063674255967114f54d2_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f9c81b8a5139063674255967114f54d2_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/unyt_bs.exe
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/unyt_bs.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/InetLoad.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/InetLoad.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/MoreInfo_U.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/MoreInfo_U.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/YExecShell.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/YExecShell.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/timet.dll
Resource
win7-20240729-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/timet.dll
Resource
win10v2004-20241007-en
General
-
Target
$PLUGINSDIR/YExecShell.dll
-
Size
2KB
-
MD5
e92a6284042cbb30e52cb64d3355f1e7
-
SHA1
c8d6ab39bb5ffaf7da78143103d5bfdaa146b91e
-
SHA256
ce5f87a2080c8e6ca6ec1b9d11369b1a5554e8eb5d69672fc6e04bd6bc95fc05
-
SHA512
32f5f2d10f13d62c501f44346879be8e116761510011daa391c3dd2e53a27f760f892b78de1ee31fb12563484fd1eca29675302ba900025d990f8cb7c3c111a8
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2912 2076 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2388 wrote to memory of 2076 2388 rundll32.exe 30 PID 2388 wrote to memory of 2076 2388 rundll32.exe 30 PID 2388 wrote to memory of 2076 2388 rundll32.exe 30 PID 2388 wrote to memory of 2076 2388 rundll32.exe 30 PID 2388 wrote to memory of 2076 2388 rundll32.exe 30 PID 2388 wrote to memory of 2076 2388 rundll32.exe 30 PID 2388 wrote to memory of 2076 2388 rundll32.exe 30 PID 2076 wrote to memory of 2912 2076 rundll32.exe 31 PID 2076 wrote to memory of 2912 2076 rundll32.exe 31 PID 2076 wrote to memory of 2912 2076 rundll32.exe 31 PID 2076 wrote to memory of 2912 2076 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\YExecShell.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\YExecShell.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 2243⤵
- Program crash
PID:2912
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