remcos | 5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 15:37

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General

Target

5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
Size

1.8MB
MD5

79e1a1eff7c95ddf2bf7bf469104473b
SHA1

730bc9390befaa0469c107379f0237a1fa353bc2
SHA256

5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d
SHA512

0c3a6e02fb9199d75619979140713dfb35f6fec1cf1764b56e57f6027ca7316ef2216076b8605bd4bfd947e15c2e34c70aa54b7e2d101f6fdaac6b793ef98797
SSDEEP

49152:x1aG4/d5SVuz9xLS/V1ap4/UmWBk0ZUveaN77jZo:xIn/d5SVIu/VI2/yBT6Nflo

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Version

4.9.3 Light

Botnet

RemoteHost

127.0.0.1:2404

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-52SPIJ
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2640	3028	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 3028	2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	31
PID 2176 wrote to memory of 3028	2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	31
PID 2176 wrote to memory of 3028	2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	31
PID 2176 wrote to memory of 3028	2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	31
PID 2176 wrote to memory of 3028	2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	31
PID 2176 wrote to memory of 3028	2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	31
PID 2176 wrote to memory of 3028	2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	31
PID 2176 wrote to memory of 3028	2176	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	31
PID 3028 wrote to memory of 2640	3028	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	32
PID 3028 wrote to memory of 2640	3028	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	32
PID 3028 wrote to memory of 2640	3028	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	32
PID 3028 wrote to memory of 2640	3028	5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe	32

C:\Users\Admin\AppData\Local\Temp\5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
"C:\Users\Admin\AppData\Local\Temp\5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe
  "C:\Users\Admin\AppData\Local\Temp\5134d96e3f54dc336d3a09e7e29a7392d2f1b3395b823404b8c1ccf73cd84f2d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 156
    3⤵
    - Program crash
    PID:2640

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/2176-0-0x0000000000270000-0x0000000000297000-memory.dmp

Filesize
156KB

Download
memory/2176-5-0x00000000002A0000-0x00000000002DD000-memory.dmp

Filesize
244KB

Download
memory/3028-1-0x00000000001D0000-0x0000000000245000-memory.dmp

Filesize
468KB

Download
memory/3028-4-0x00000000001D0000-0x0000000000245000-memory.dmp

Filesize
468KB

Download