remcos | 712c752641d2f7b504efd7631bb3b36dbdbafcc3fd4a371dbe03b5499ac67053

Analysis

max time kernel
151s
max time network
154s
platform
windows10_x64
resource
win10-en-20210920
submitted
07/10/2021, 07:52

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General

Target
DHL_1012617429350,pdf.exe
Size 774KB
Sample211007-jqfxfacac8
SHA256 712c752641d2f7b504efd7631bb3b36dbdbafcc3fd4a371dbe03b5499ac67053
MD5 7cdc19a52a1d3ecc98520d2f3393a586
SHA1 955817835e85d8531f4cfa4bb04b24dae3c1bfc0
SHA512 4e6cfb6fc5def458cf372cf693dffaa9e724998619ef061c62db86dadf178c974cb723f55e96abfe6d1458f2ad4f7e365e86f95b9e8b00e0b2e516af37d281e4
MD5 SHA1 SHA512

Score

10^/10

remcos jimbo persistence rat

Malware Config

Extracted

Family

remcos

Version

2.7.2 Pro

Botnet

Jimbo

nnnnoy.ddns.net:5367

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-3Z7H52
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ltqvsci = "C:\\Users\\Public\\Libraries\\icsvqtL.url"	DHL_1012617429350,pdf.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
1656	reg.exe
4040	reg.exe
360	reg.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3792	376	DHL_1012617429350,pdf.exe	69
PID 376 wrote to memory of 3632	376	DHL_1012617429350,pdf.exe	70
PID 376 wrote to memory of 3632	376	DHL_1012617429350,pdf.exe	70
PID 376 wrote to memory of 3632	376	DHL_1012617429350,pdf.exe	70
PID 3632 wrote to memory of 2528	3632	cmd.exe	72
PID 3632 wrote to memory of 2528	3632	cmd.exe	72
PID 3632 wrote to memory of 2528	3632	cmd.exe	72
PID 2528 wrote to memory of 4040	2528	cmd.exe	74
PID 2528 wrote to memory of 4040	2528	cmd.exe	74
PID 2528 wrote to memory of 4040	2528	cmd.exe	74
PID 2528 wrote to memory of 360	2528	cmd.exe	75
PID 2528 wrote to memory of 360	2528	cmd.exe	75
PID 2528 wrote to memory of 360	2528	cmd.exe	75
PID 2528 wrote to memory of 3508	2528	cmd.exe	76
PID 2528 wrote to memory of 3508	2528	cmd.exe	76
PID 2528 wrote to memory of 3508	2528	cmd.exe	76
PID 376 wrote to memory of 4444	376	DHL_1012617429350,pdf.exe	77
PID 376 wrote to memory of 4444	376	DHL_1012617429350,pdf.exe	77
PID 376 wrote to memory of 4444	376	DHL_1012617429350,pdf.exe	77
PID 4444 wrote to memory of 1656	4444	cmd.exe	79
PID 4444 wrote to memory of 1656	4444	cmd.exe	79
PID 4444 wrote to memory of 1656	4444	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\DHL_1012617429350,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_1012617429350,pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:376
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  PID:3792
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3632
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2528
  - - C:\Windows\SysWOW64\reg.exe
      reg delete hkcu\Environment /v windir /f
      4⤵
      Modifies registry key
      PID:4040
  - - C:\Windows\SysWOW64\reg.exe
      reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
      4⤵
      Modifies registry key
      PID:360
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
      4⤵
      PID:3508
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4444
- - C:\Windows\SysWOW64\reg.exe
    reg delete hkcu\Environment /v windir /f
    3⤵
    - Modifies registry key
    PID:1656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/376-116-0x00000000022E0000-0x00000000022E1000-memory.dmp

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memory/3792-126-0x0000000001360000-0x0000000001361000-memory.dmp

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memory/3792-125-0x0000000001300000-0x0000000001301000-memory.dmp

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memory/3792-127-0x00000000743B0000-0x00000000743D3000-memory.dmp

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memory/3792-128-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3792-129-0x0000000001240000-0x0000000001241000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads