a3a264617e3ef583f7a8e9747ad08da7c5e831ee25eb597543512ae32ddf628c

Analysis

max time kernel
117s
max time network
126s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 01:49 UTC

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General

Target

_overlapped.dll
Size

37KB
MD5

411d94ed7a9332b30f7679f03abea320
SHA1

53099a8114b41d82cbb1fffa427d7666583d2c1d
SHA256

0fbb74da4ecddf1a18663a31f64c52d169e7c102d5e8dbe288e8b30df8e34598
SHA512

e142fcd4877e97fe812d08b1939b467dada365be974391a25a37166ec8711e89d2e5ed02fde4571d2e89476ac275eed5943f65a8c2240227618fd02f676bdeaf
SSDEEP

768:3u7xuQeN43zIRCJ7no8IYZp0qEbNA1B51IhJtiQWDG4yEs:3EBG43zIqLLWqEbNUB51IhJtiyEs

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2116	1924	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 2448 wrote to memory of 1924	2448	rundll32.exe	31
PID 2448 wrote to memory of 1924	2448	rundll32.exe	31
PID 2448 wrote to memory of 1924	2448	rundll32.exe	31
PID 2448 wrote to memory of 1924	2448	rundll32.exe	31
PID 2448 wrote to memory of 1924	2448	rundll32.exe	31
PID 2448 wrote to memory of 1924	2448	rundll32.exe	31
PID 2448 wrote to memory of 1924	2448	rundll32.exe	31
PID 1924 wrote to memory of 2116	1924	rundll32.exe	32
PID 1924 wrote to memory of 2116	1924	rundll32.exe	32
PID 1924 wrote to memory of 2116	1924	rundll32.exe	32
PID 1924 wrote to memory of 2116	1924	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_overlapped.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_overlapped.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 220
    3⤵
    - Program crash
    PID:2116

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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