remcos | d1f85945fa3f402202ed31fc7322c3328676a1d609fc9c17ee3a3cb6a49aa5fb

Analysis

max time kernel
94s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 01:10

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General

Target

out.exe
Size

100KB
MD5

4e0c8c4e334e90070e637c151d60cffd
SHA1

c3b10a6ca689e6fe8bee14ed2f91e6c993069849
SHA256

cb4fb104f4701553c532a8bd1335eb600d56c263d67214e1f251b5f49d5b8010
SHA512

7c1e5dc3d75d3ecf3e9649516c69d1a9a88f0e79d0537cc3106fbd6590fdf6010144dd790ba760ebeef8220d3c272291b5d930920c68f3ff2e7f4d4aef293398
SSDEEP

3072:Ms7bVK/5D/boVCbgsc1ooOTRXIqxFs2FbgXNDRTOr:t7bVK/Vo8mzOTRXIqxJFMXNDRTe

Score

10^/10

remcos discovery rat

Malware Config

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1596	4856	WerFault.exe	81
1932	4856	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	out.exe

C:\Users\Admin\AppData\Local\Temp\out.exe
"C:\Users\Admin\AppData\Local\Temp\out.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 220
  2⤵
  - Program crash
  PID:1596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 228
  2⤵
  - Program crash
  PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4856 -ip 4856
1⤵
PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4856 -ip 4856
1⤵
PID:2184

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/4856-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

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