5345f7ab702307cc91455bdbf87e76c89bf684534b86da7ed6829ec4e18a2c07

Analysis

max time kernel
10s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 00:19

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General

Target

remcos_a.exe
Size

469KB
MD5

8d7272c90319fed442c74d01c117c2fd
SHA1

dfb1bd43ccde0f6a61c36dc43972b30ad4cd3a7b
SHA256

5345f7ab702307cc91455bdbf87e76c89bf684534b86da7ed6829ec4e18a2c07
SHA512

efe3dd64101714a9eae93ccc3f84cf7a74c16a489df4d11a60f2557a678526d93b6a0ac60e7518c9991da0f48e8da855ca5221ae7885f0849a45d1fb43cfec28
SSDEEP

12288:Ymnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSdn9:IiLJbpI7I2WhQqZ7d9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2872	2088	WerFault.exe	29

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	remcos_a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2872	2088	remcos_a.exe	30
PID 2088 wrote to memory of 2872	2088	remcos_a.exe	30
PID 2088 wrote to memory of 2872	2088	remcos_a.exe	30
PID 2088 wrote to memory of 2872	2088	remcos_a.exe	30

C:\Users\Admin\AppData\Local\Temp\remcos_a.exe
"C:\Users\Admin\AppData\Local\Temp\remcos_a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 172
  2⤵
  - Program crash
  PID:2872

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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