837b17ae52d356f7aa2fb6149494ed7b4b362227e8e986f609b0eebf4c545fd0

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11-08-2024 04:46

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General

Target

PECompact2/pec2ldr_default.dll
Size

26KB
MD5

30433319e5b47808dc29023592a79d7c
SHA1

7eba9698c5ec8ba5a417bb5153bf814231c8e1ab
SHA256

68db7ebcb9fb66874be5219f481d2b1b83b89d759bda6386a2e5abaca80e3854
SHA512

b7d0b2ef36578894855fe2cc1dd7231cbad401aee0c43d5d8223f63ee1035dce572629f66f0db60e292f179d913b32232210f0e4f327138a160584abecfcb6dd
SSDEEP

768:uMw8fVGsNyPeo8Ja1uN7zl8G95tL+KjtOehbzc:uMw8fIicexJa1allL

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process
2392	3036	WerFault.exe

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 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3036 wrote to memory of 2392	3036	rundll32.exe	31
PID 3036 wrote to memory of 2392	3036	rundll32.exe	31
PID 3036 wrote to memory of 2392	3036	rundll32.exe	31
PID 3036 wrote to memory of 2392	3036	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\PECompact2\pec2ldr_default.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\PECompact2\pec2ldr_default.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 224
    3⤵
    - Program crash
    PID:2392

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

Replay Monitor

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Downloads

memory/3036-3-0x0000000010010000-0x0000000010011000-memory.dmp

Filesize
4KB

Download
memory/3036-2-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/3036-1-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/3036-0-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download