Overview
overview
8Static
static
79e4e79e286...26.exe
windows7-x64
89e4e79e286...26.exe
windows10-2004-x64
8$PLUGINSDI...el.dll
windows7-x64
7$PLUGINSDI...el.dll
windows10-2004-x64
7$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$_58_/Basi...r1.exe
windows7-x64
3$_58_/Basi...r1.exe
windows10-2004-x64
3$_58_/winr...01.exe
windows7-x64
5$_58_/winr...01.exe
windows10-2004-x64
1$_58_/wtzl...hu.exe
windows7-x64
3$_58_/wtzl...hu.exe
windows10-2004-x64
3Analysis
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max time kernel
95s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
01-02-2025 15:35
Behavioral task
behavioral1
Sample
9e4e79e286d47e03357aa63adedfe826.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
9e4e79e286d47e03357aa63adedfe826.exe
Resource
win10v2004-20250129-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SelfDel.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/SelfDel.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral7
Sample
$_58_/BasicCalculator1.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
$_58_/BasicCalculator1.exe
Resource
win10v2004-20250129-en
Behavioral task
behavioral9
Sample
$_58_/winrar-x64-701.exe
Resource
win7-20241010-en
Behavioral task
behavioral10
Sample
$_58_/winrar-x64-701.exe
Resource
win10v2004-20250129-en
Behavioral task
behavioral11
Sample
$_58_/wtzltypssnrzhu.exe
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
$_58_/wtzltypssnrzhu.exe
Resource
win10v2004-20250129-en
General
-
Target
$PLUGINSDIR/SelfDel.dll
-
Size
5KB
-
MD5
e5786e8703d651bc8bd4bfecf46d3844
-
SHA1
fee5aa4b325deecbf69ccb6eadd89bd5ae59723f
-
SHA256
d115bce0a787b4f895e700efe943695c8f1087782807d91d831f6015b0f98774
-
SHA512
d14ad43a01db19428cd8ccd2fe101750860933409b5be2eb85a3e400efcd37b1b6425ce84e87a7fe46ecabc7b91c4b450259e624c178b86e194ba7da97957ba3
-
SSDEEP
96:NdekHUj5z13cPopei+Ml9PNDFbS7xg+TScrQ5:NdeuU9xcPopr+M9FbSS+TSE
Malware Config
Signatures
-
ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral4/memory/1316-0-0x00000000754C0000-0x00000000754C9000-memory.dmp acprotect behavioral4/memory/1316-1-0x00000000754C0000-0x00000000754C9000-memory.dmp acprotect -
resource yara_rule behavioral4/memory/1316-0-0x00000000754C0000-0x00000000754C9000-memory.dmp upx behavioral4/memory/1316-1-0x00000000754C0000-0x00000000754C9000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3260 1316 WerFault.exe 83 -
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 3 IoCs
description pid Process procid_target PID 540 wrote to memory of 1316 540 rundll32.exe 83 PID 540 wrote to memory of 1316 540 rundll32.exe 83 PID 540 wrote to memory of 1316 540 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1316 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 6123⤵
- Program crash
PID:3260
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1316 -ip 13161⤵PID:2912