fa09d24d7481dbdfc1cff6aaa92d2aec908e037a22a02346f6feeee5d6ba688e

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 21:05

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General

Target

$PLUGINSDIR/nsExec.dll
Size

7KB
MD5

675c4948e1efc929edcabfe67148eddd
SHA1

f5bdd2c4329ed2732ecfe3423c3cc482606eb28e
SHA256

1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906
SHA512

61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683
SSDEEP

96:J9zdzBzMDByZtr/HDQIUIq9m6v6vBckzu9wSBpLEgvElHlernNQaSGYuH2DQ:JykDr/HA5v6G2IElFernNQZGdHW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1816 1712 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
1816	1712	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 876 wrote to memory of 1712	876	rundll32.exe	rundll32.exe
PID 876 wrote to memory of 1712	876	rundll32.exe	rundll32.exe
PID 876 wrote to memory of 1712	876	rundll32.exe	rundll32.exe
PID 876 wrote to memory of 1712	876	rundll32.exe	rundll32.exe
PID 876 wrote to memory of 1712	876	rundll32.exe	rundll32.exe
PID 876 wrote to memory of 1712	876	rundll32.exe	rundll32.exe
PID 876 wrote to memory of 1712	876	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1816	1712	rundll32.exe	WerFault.exe
PID 1712 wrote to memory of 1816	1712	rundll32.exe	WerFault.exe
PID 1712 wrote to memory of 1816	1712	rundll32.exe	WerFault.exe
PID 1712 wrote to memory of 1816	1712	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:876

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:1712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 220
3⤵
- Program crash
PID:1816

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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