b99fa29a917eb26f7dd60427f9d4e261e95e06354e570b0e7f7c759672b9ebe7

Analysis

max time kernel
12s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10-02-2025 19:43

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General

Target

data-Setup/data/7za.dll
Size

284KB
MD5

a608e5fb266a10174235da5c6d396769
SHA1

85526701342f9db479578d08a3599cec2e8be321
SHA256

a05490eea8ce1484cd15302c65803414ee7227fcbdf1a1ed2d4243f583f957df
SHA512

9e4f4c45e5be9faa7c754dc646213d3a7eb862b9fade96437f285c7d571b96fc3577e12f3768ae88902c52bda2ac3d1976adc32e7145766ea66c50af303efdd5
SSDEEP

6144:Rm3x2iT42LpOe4+5r7R/nV+yqwBey/M6Yijgzj9Pq7MXJzS/8aN:Rm3x2ik2LF1fIEM6GP9C7MRa

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2580	2140	WerFault.exe	29

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 2268 wrote to memory of 2140	2268	rundll32.exe	29
PID 2268 wrote to memory of 2140	2268	rundll32.exe	29
PID 2268 wrote to memory of 2140	2268	rundll32.exe	29
PID 2268 wrote to memory of 2140	2268	rundll32.exe	29
PID 2268 wrote to memory of 2140	2268	rundll32.exe	29
PID 2268 wrote to memory of 2140	2268	rundll32.exe	29
PID 2268 wrote to memory of 2140	2268	rundll32.exe	29
PID 2140 wrote to memory of 2580	2140	rundll32.exe	30
PID 2140 wrote to memory of 2580	2140	rundll32.exe	30
PID 2140 wrote to memory of 2580	2140	rundll32.exe	30
PID 2140 wrote to memory of 2580	2140	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\data-Setup\data\7za.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\data-Setup\data\7za.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 220
    3⤵
    - Program crash
    PID:2580

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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