bed6cfc8b024e809bdfea0cbb36de53ee719442eb722907095ef33589910d2fe

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2024, 23:10

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General

Target

remcos_a.dll
Size

460KB
MD5

4f017c925f67f5245058f0a3cac3f76e
SHA1

042b6f76cd8f14317725ded763b88ecd62f2fa0f
SHA256

bed6cfc8b024e809bdfea0cbb36de53ee719442eb722907095ef33589910d2fe
SHA512

c804c0a56f0573fc606910ceeca2c82dcb7d920fd64fa4d7ea3c5382d3d0f73ec2c2bc86cac29ab354bfd96c8e84c1d430d51b8be45c89a4ae444954bf840cd9
SSDEEP

12288:TJZN6eIkbyvhiMuUMW+QlKIHRfZw8G+S:LNZyvhiHoKIFZw

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
6	3104	rundll32.exe
21	3104	rundll32.exe
24	3104	rundll32.exe
25	3104	rundll32.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 3 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 3104	3416	rundll32.exe	84
PID 3416 wrote to memory of 3104	3416	rundll32.exe	84
PID 3416 wrote to memory of 3104	3416	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\remcos_a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\remcos_a.dll,#1
  2⤵
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:3104

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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