bb8377bb31db42e63e3cf78007ab6c09febbef943daafd038ade1ac355ea2db1

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 01:19

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General

Target
$PLUGINSDIR/nsExec.dll
Size 7KB
Sample240829-bpr93sybml
SHA256 2cd3a2d4053954db1196e2526545c36dfc138c6de9b81f6264632f3132843c77
MD5 11092c1d3fbb449a60695c44f9f3d183
SHA1 b89d614755f2e943df4d510d87a7fc1a3bcf5a33
SHA512 c182e0a1f0044b67b4b9fb66cef9c4955629f6811d98bbffa99225b03c43c33b1e85cacabb39f2c45ead81cd85e98b201d5f9da4ee0038423b1ad947270c134a
SSDEEP 96:JgzdzBzMDhOZZDbXf5GsWvSv1ckne94SDbYkvML1HT1fUNQaSGYuHIDQ:JDQHDb2vSuOc41ZfUNQZGdHA
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1076	2392	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 2384 wrote to memory of 2392	2384	rundll32.exe	30
PID 2384 wrote to memory of 2392	2384	rundll32.exe	30
PID 2384 wrote to memory of 2392	2384	rundll32.exe	30
PID 2384 wrote to memory of 2392	2384	rundll32.exe	30
PID 2384 wrote to memory of 2392	2384	rundll32.exe	30
PID 2384 wrote to memory of 2392	2384	rundll32.exe	30
PID 2384 wrote to memory of 2392	2384	rundll32.exe	30
PID 2392 wrote to memory of 1076	2392	rundll32.exe	31
PID 2392 wrote to memory of 1076	2392	rundll32.exe	31
PID 2392 wrote to memory of 1076	2392	rundll32.exe	31
PID 2392 wrote to memory of 1076	2392	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:2384
- 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:2392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 220
    3⤵
    - Program crash
    PID:1076

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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