8eec28a851afa1401a4e559ebf54eaca36e2cdee4c2f09f03be3d2b8c9183a3f

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, 23:00

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General

Target

npjymsgr.dll
Size

69KB
MD5

5b9390bfae65fc9d9407ca821a272927
SHA1

d0918678918e42ea9041715f37480b89ecbbfd51
SHA256

51495e1d069b13a924803c58deacd2fbabb0eb49560821445ac6da969c15e520
SHA512

165631c92141edcfd44a37fa978b733645f8629c686c48ef53bdb679211753fd094e554bce7e1c81dc0675bbe3ba26dfe6150f1986c955addb043b6185b915ff
SSDEEP

768:kLB+k399YB5LzCmzDg8mbhxhEWBrkglJqnvmEnDdBlZUEDsneh9WUamVLqHetHLo:kdFtgHkxhEYk86nJBaenaKLqHetHa0i

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2308	2476	WerFault.exe	31

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 780 wrote to memory of 2476	780	rundll32.exe	31
PID 780 wrote to memory of 2476	780	rundll32.exe	31
PID 780 wrote to memory of 2476	780	rundll32.exe	31
PID 780 wrote to memory of 2476	780	rundll32.exe	31
PID 780 wrote to memory of 2476	780	rundll32.exe	31
PID 780 wrote to memory of 2476	780	rundll32.exe	31
PID 780 wrote to memory of 2476	780	rundll32.exe	31
PID 2476 wrote to memory of 2308	2476	rundll32.exe	32
PID 2476 wrote to memory of 2308	2476	rundll32.exe	32
PID 2476 wrote to memory of 2308	2476	rundll32.exe	32
PID 2476 wrote to memory of 2308	2476	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\npjymsgr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\npjymsgr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 220
    3⤵
    - Program crash
    PID:2308

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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