remcos | 09c15114a15d5569cb510bbe093d1a9dc1fc7f6dc255aa6b0ef9077156c2f6ac

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 21:00

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General

Target

8560d2cdf6bd8ffb30fe031081360c1f.exe
Size

1024.0MB
MD5

a832f6cf4b13db85c4e3d4a5c563800d
SHA1

af788bb64b532ad62a64af98f6eeec316efcbd72
SHA256

52e9fae2db9e0b5af5c4e28c52508a482348c085fd83e3a2d549c5d676b24470
SHA512

7ee6c7c5529ee55f642c79d1ccd160e1d8183b13edf216a9693163f9acf84c6d355dcd028c41c1f022bc1799ba8852eff30f78e3ea68fa505b606e46c08c2547
SSDEEP

12288:75RVeIv1Jyhik2XF62YPtnsMg9t4q78cjNgT8Yz48h7UJ:9RVeIv1JygrV6XtsRVUS81UJ

Score

10^/10

remcos plata discovery rat

Malware Config

Extracted

Family

remcos

Botnet

PLATA

comercio43.con-ip.com:1835

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
registros.dat
keylog_flag
false
keylog_folder
data34
mouse_option
false
mutex
kiustong-7N6PEP
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Capturas de pantalla
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

Executes dropped EXE 2 IoCs

pid	Process
600	AppData.exe
2576	AppData.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 600 set thread context of 1816	600	AppData.exe	41
PID 2576 set thread context of 3032	2576	AppData.exe	51

System Location Discovery: System Language Discovery 1 TTPs 18 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8560d2cdf6bd8ffb30fe031081360c1f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppData.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppData.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2616	schtasks.exe
1796	schtasks.exe
1548	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2836	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2836	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	31
PID 2712 wrote to memory of 2768	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	32
PID 2712 wrote to memory of 2768	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	32
PID 2712 wrote to memory of 2768	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	32
PID 2712 wrote to memory of 2768	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	32
PID 2712 wrote to memory of 1548	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	34
PID 2712 wrote to memory of 1548	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	34
PID 2712 wrote to memory of 1548	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	34
PID 2712 wrote to memory of 1548	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	34
PID 1548 wrote to memory of 2616	1548	cmd.exe	36
PID 1548 wrote to memory of 2616	1548	cmd.exe	36
PID 1548 wrote to memory of 2616	1548	cmd.exe	36
PID 1548 wrote to memory of 2616	1548	cmd.exe	36
PID 2712 wrote to memory of 2648	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	37
PID 2712 wrote to memory of 2648	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	37
PID 2712 wrote to memory of 2648	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	37
PID 2712 wrote to memory of 2648	2712	8560d2cdf6bd8ffb30fe031081360c1f.exe	37
PID 536 wrote to memory of 600	536	taskeng.exe	40
PID 536 wrote to memory of 600	536	taskeng.exe	40
PID 536 wrote to memory of 600	536	taskeng.exe	40
PID 536 wrote to memory of 600	536	taskeng.exe	40
PID 536 wrote to memory of 600	536	taskeng.exe	40
PID 536 wrote to memory of 600	536	taskeng.exe	40
PID 536 wrote to memory of 600	536	taskeng.exe	40
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1816	600	AppData.exe	41
PID 600 wrote to memory of 1804	600	AppData.exe	42
PID 600 wrote to memory of 1804	600	AppData.exe	42
PID 600 wrote to memory of 1804	600	AppData.exe	42
PID 600 wrote to memory of 1804	600	AppData.exe	42
PID 600 wrote to memory of 1656	600	AppData.exe	44
PID 600 wrote to memory of 1656	600	AppData.exe	44
PID 600 wrote to memory of 1656	600	AppData.exe	44
PID 600 wrote to memory of 1656	600	AppData.exe	44
PID 1656 wrote to memory of 1796	1656	cmd.exe	46

C:\Users\Admin\AppData\Local\Temp\8560d2cdf6bd8ffb30fe031081360c1f.exe
"C:\Users\Admin\AppData\Local\Temp\8560d2cdf6bd8ffb30fe031081360c1f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2836
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppData"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2616
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\8560d2cdf6bd8ffb30fe031081360c1f.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2648

C:\Windows\system32\taskeng.exe
taskeng.exe {13F7ED71-9B20-46BF-9057-0B04DF9B6C54} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:536
- C:\Users\Admin\AppData\Roaming\AppData\AppData.exe
  C:\Users\Admin\AppData\Roaming\AppData\AppData.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:600
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1816
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppData"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1804
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1656
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1796
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2380
- C:\Users\Admin\AppData\Roaming\AppData\AppData.exe
  C:\Users\Admin\AppData\Roaming\AppData\AppData.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  PID:2576
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3032
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppData"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2624
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2780
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1548
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\data34\registros.dat

Filesize
144B

MD5
77b2562b9e1d5f02111dc2bac873f964

SHA1
0b8364f428822716d288f28c8c173ca5b5f3f006

SHA256
d3d0028148dfb4a4b7b50fb64b1cdb356d0fc95cb6d5f8144d7d46de4b06d99b

SHA512
88baf838a36a6e973b124c0127d1f782d601cef8119640bc5e718e3ba98b4c029c0545ae7bbe573915965753c4cbec8187b42c58158d9bd1f7d29e55f626d696

Download Submit
memory/600-67-0x00000000001D0000-0x00000000002B6000-memory.dmp

Filesize
920KB

Download
memory/2576-148-0x0000000000E70000-0x0000000000F56000-memory.dmp

Filesize
920KB

Download
memory/2712-28-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/2712-1-0x00000000000C0000-0x00000000001A6000-memory.dmp

Filesize
920KB

Download
memory/2712-2-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/2712-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/2836-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-3-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads