Overview
overview
8Static
static
78fa98d104b...3c.exe
windows7-x64
88fa98d104b...3c.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$_70_/Basi...r1.exe
windows7-x64
3$_70_/Basi...r1.exe
windows10-2004-x64
3$_70_/dotN...up.exe
windows7-x64
7$_70_/dotN...up.exe
windows10-2004-x64
7$_70_/hapjyaj.exe
windows7-x64
3$_70_/hapjyaj.exe
windows10-2004-x64
3Analysis
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max time kernel
94s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-01-2025 04:25
Behavioral task
behavioral1
Sample
8fa98d104bb8fcfe1a6200ece1c02faf9e8d12e31d0c6fbc6bbf3d3882b7fd3c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8fa98d104bb8fcfe1a6200ece1c02faf9e8d12e31d0c6fbc6bbf3d3882b7fd3c.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SelfDel.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/SelfDel.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
$_70_/BasicCalculator1.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
$_70_/BasicCalculator1.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$_70_/dotNetFx45_Full_setup.exe
Resource
win7-20241023-en
Behavioral task
behavioral10
Sample
$_70_/dotNetFx45_Full_setup.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
$_70_/hapjyaj.exe
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
$_70_/hapjyaj.exe
Resource
win10v2004-20241007-en
General
-
Target
$PLUGINSDIR/nsExec.dll
-
Size
7KB
-
MD5
11092c1d3fbb449a60695c44f9f3d183
-
SHA1
b89d614755f2e943df4d510d87a7fc1a3bcf5a33
-
SHA256
2cd3a2d4053954db1196e2526545c36dfc138c6de9b81f6264632f3132843c77
-
SHA512
c182e0a1f0044b67b4b9fb66cef9c4955629f6811d98bbffa99225b03c43c33b1e85cacabb39f2c45ead81cd85e98b201d5f9da4ee0038423b1ad947270c134a
-
SSDEEP
96:JgzdzBzMDhOZZDbXf5GsWvSv1ckne94SDbYkvML1HT1fUNQaSGYuHIDQ:JDQHDb2vSuOc41ZfUNQZGdHA
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4020 4004 WerFault.exe 82 -
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 4892 wrote to memory of 4004 4892 rundll32.exe 82 PID 4892 wrote to memory of 4004 4892 rundll32.exe 82 PID 4892 wrote to memory of 4004 4892 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4004 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 6123⤵
- Program crash
PID:4020
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4004 -ip 40041⤵PID:4804