a03a2c54363d0a6a4d0cc8adad21bfbd59db178af4635de80ca7381de3817ed1

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 09:46

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General

Target

$PLUGINSDIR/nsExec.dll
Size

24KB
MD5

1d79b5919faf2e6c3f0359a13be1cc03
SHA1

07da0d3b1c3a5a6d34fcffb1ec9c64cc885a6565
SHA256

1ddc35030176bf65c97fb9870c6269d040c75e27dd550b451e1bd46ca3dd695f
SHA512

4c393d0e27180b4400f0bdcfaf1e59b9104272b207d8f9ccf689cf53929ac06cb64395168d7d144b8eedf341ea726e15289a1ba278acc25dd01243746543ec31
SSDEEP

384:yVKJSbBuAVaGdHnUNaw/HdNyH1Mn8E9VFDPxkq2xxDGgmRPcPGmGovy8ZpHqkD:yVKAQlGRUz/HWM8EJPxYxxDGgFdyiR9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2160	1712	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.

discovery

System Language Discovery

T1614.001

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 2136 wrote to memory of 1712	2136	rundll32.exe	30
PID 2136 wrote to memory of 1712	2136	rundll32.exe	30
PID 2136 wrote to memory of 1712	2136	rundll32.exe	30
PID 2136 wrote to memory of 1712	2136	rundll32.exe	30
PID 2136 wrote to memory of 1712	2136	rundll32.exe	30
PID 2136 wrote to memory of 1712	2136	rundll32.exe	30
PID 2136 wrote to memory of 1712	2136	rundll32.exe	30
PID 1712 wrote to memory of 2160	1712	rundll32.exe	31
PID 1712 wrote to memory of 2160	1712	rundll32.exe	31
PID 1712 wrote to memory of 2160	1712	rundll32.exe	31
PID 1712 wrote to memory of 2160	1712	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2136
- 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:2160

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

Windows 7 deprecation

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