b2e71afd4996807a75113e882028a4297fd783008b407696ad9437e2fb6d6e65

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 08:43

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General

Target

ExtMenu.dll
Size

84KB
MD5

d6dc760cbbb0e54ea3d0a80a913752e2
SHA1

2dff8d16b5c0c805afe53f1790c7e1762cb2ea96
SHA256

7c5ecf3d7121a9e615729e8d55cb0397cddd14c5cc455da5a89858347388d99a
SHA512

d0caa5bf3bc5a532befc3ede42c8263f6b7e18900ea839f49d543a6068ef9aa8eb00441a4216dd0e0633a9e471e88b9c0447efd0684605fb071ed6895b221547
SSDEEP

1536:fKsepQKRqwVnisBr86ijW6dycckMWecWAQzTw5uYLKm2nouy8:fKJiBHdy60c+pAQHwE9out

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral17/memory/2108-1-0x0000000010000000-0x000000001004B000-memory.dmp	upx

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 7 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2108	1684	rundll32.exe	30
PID 1684 wrote to memory of 2108	1684	rundll32.exe	30
PID 1684 wrote to memory of 2108	1684	rundll32.exe	30
PID 1684 wrote to memory of 2108	1684	rundll32.exe	30
PID 1684 wrote to memory of 2108	1684	rundll32.exe	30
PID 1684 wrote to memory of 2108	1684	rundll32.exe	30
PID 1684 wrote to memory of 2108	1684	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExtMenu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExtMenu.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2108

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/2108-1-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

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memory/2108-0-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

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