a29d58240752e42c0e692a6b6b08e8cf2abb9626b4a83d6ddc4ceed51f4ff667

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
05/02/2025, 09:57

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General

Target

FC4311009.exe
Size

726KB
MD5

e353e90a21ca20f3e7bdc640db4bef64
SHA1

4b953174a91cae3617b8f8bfea1056310951d254
SHA256

a29d58240752e42c0e692a6b6b08e8cf2abb9626b4a83d6ddc4ceed51f4ff667
SHA512

d4d6b104b59b4786a43a4dd1060143ec4bf1f1ea11f8918073555fedb82c27e5428c823d4deda84d08be7a0d77e53898204b182ea4c195dae921457decea5bae
SSDEEP

12288:dT58++c2/p0FdmxxSKAHNaPH+r3cFaql2DiNpHUy6iqezkmRkFD0ygchhZMfob:dT58+86wxx5dfG3cFnN5UB9vmRkFDZhn

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2952	FC4311009.exe
2952	FC4311009.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3060	2952	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	FC4311009.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 3060	2952	FC4311009.exe	31
PID 2952 wrote to memory of 3060	2952	FC4311009.exe	31
PID 2952 wrote to memory of 3060	2952	FC4311009.exe	31
PID 2952 wrote to memory of 3060	2952	FC4311009.exe	31

C:\Users\Admin\AppData\Local\Temp\FC4311009.exe
"C:\Users\Admin\AppData\Local\Temp\FC4311009.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 536
  2⤵
  - Program crash
  PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsoE468.tmp\System.dll

Filesize
12KB

MD5
d968cb2b98b83c03a9f02dd9b8df97dc

SHA1
d784c9b7a92dce58a5038beb62a48ff509e166a0

SHA256
a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c

SHA512
2ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e

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