f597e857bd8ed3adb8d0fca17be02ac87696b3dd03c1ba5bd66367e067161fa0

Analysis

max time kernel
109s
max time network
121s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
04-01-2025 14:00

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General

Target

res/Lib/7z.dll
Size

1.2MB
MD5

34738b1b326c7f65d365a5b33e045662
SHA1

54f86f6d3b5d96584d6d2a76023f3522e09706fe
SHA256

4d61796b499a4177b03e8e36778ec57293bebbf26412c69e19d3248602a2bb8a
SHA512

134faa16f9913d4cfdfb8efdc9cdda6ff6907016e0f46e3f72792cbc183a688fab0484f251efa562639a75582e380b099481d79d6324e5aded0a8041492414ce
SSDEEP

24576:XXm+ENgUCp+R3RuC2HhS6yR1xF2rH8W7f3z9L/SDidq2:HX7cRuC2Q6S36DJuKq

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1236	2396	WerFault.exe	81

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 3 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 2396	580	rundll32.exe	81
PID 580 wrote to memory of 2396	580	rundll32.exe	81
PID 580 wrote to memory of 2396	580	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\res\Lib\7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\res\Lib\7z.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 600
    3⤵
    - Program crash
    PID:1236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2396 -ip 2396
1⤵
PID:648

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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