c59b51d15b5965f27db4c5bbd21793ad6b492c8c751836ba8bd43829d791146e

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 12:09

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General

Target

$PLUGINSDIR/nsExec.dll
Size

14KB
MD5

f9e61a25016dcb49867477c1e71a704e
SHA1

c01dc1fa7475e4812d158d6c00533410c597b5d9
SHA256

274e53dc8c5ddc273a6f5683b71b882ef8917029e2eaf6c8dbee0c62d999225d
SHA512

b4a6289ef9e761e29dd5362fecb1707c97d7cb3e160f4180036a96f2f904b2c64a075b5bf0fea4a3bb94dea97f3cfa0d057d3d6865c68da65fdcb9c3070c33d8
SSDEEP

192:JDkDr/HA5v6G2IElFernNQZGdHskJw7YUXmZscF8Bd1LOtNBZHld3Mu:aDrvAxnJGernNQZGdHVqZmZsHLOtLhHH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2408 988 WerFault.exe rundll32.exe
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.
discovery

System Language Discovery
T1614.001

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2408	988	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1668 wrote to memory of 988	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 988	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 988	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 988	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 988	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 988	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 988	1668	rundll32.exe	rundll32.exe
PID 988 wrote to memory of 2408	988	rundll32.exe	WerFault.exe
PID 988 wrote to memory of 2408	988	rundll32.exe	WerFault.exe
PID 988 wrote to memory of 2408	988	rundll32.exe	WerFault.exe
PID 988 wrote to memory of 2408	988	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 220
3⤵
- Program crash
PID:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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