remcos | 0c9976c9ffda1da06a0f8293ed9db01c9fb1d40a91f9896bda3ecfa406f67f4c

Analysis

max time kernel
150s
max time network
153s
platform
windows10_x64
resource
win10v20210408
submitted
04/10/2021, 09:25

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General

Target
DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe
Size 830KB
Sample211004-ldmkkagbeq
SHA256 0c9976c9ffda1da06a0f8293ed9db01c9fb1d40a91f9896bda3ecfa406f67f4c
MD5 ff9e19fe7ce086136ad7053ea76ebb08
SHA1 d384a70f1ebda5985f0679e8be3c11a56705d1b1
SHA512 9b9442ca3d5df211698bb91d6795c9025deec856d4bf23dc249aa7e9dc6277b71bcd4305ba8f381834c357eb015c2cb397123951fdcc0d1cc5dbcdf3d21320fc
MD5 SHA1 SHA512

Score

10^/10

remcos able god persistence rat

Malware Config

Extracted

Family

remcos

Version

3.1.5 Pro

Botnet

ABLE GOD

ongod4ever.ddns.net:5652

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-8VTGWT
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
notepad;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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Krerzvv = "C:\\Users\\Public\\Libraries\\vvzrerK.url"	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
1852	reg.exe
692	reg.exe
3948	reg.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2440	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	70
PID 804 wrote to memory of 2700	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	71
PID 804 wrote to memory of 2700	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	71
PID 804 wrote to memory of 2700	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	71
PID 2700 wrote to memory of 1936	2700	cmd.exe	73
PID 2700 wrote to memory of 1936	2700	cmd.exe	73
PID 2700 wrote to memory of 1936	2700	cmd.exe	73
PID 1936 wrote to memory of 1852	1936	cmd.exe	75
PID 1936 wrote to memory of 1852	1936	cmd.exe	75
PID 1936 wrote to memory of 1852	1936	cmd.exe	75
PID 1936 wrote to memory of 692	1936	cmd.exe	76
PID 1936 wrote to memory of 692	1936	cmd.exe	76
PID 1936 wrote to memory of 692	1936	cmd.exe	76
PID 1936 wrote to memory of 764	1936	cmd.exe	77
PID 1936 wrote to memory of 764	1936	cmd.exe	77
PID 1936 wrote to memory of 764	1936	cmd.exe	77
PID 804 wrote to memory of 2728	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	82
PID 804 wrote to memory of 2728	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	82
PID 804 wrote to memory of 2728	804	DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe	82
PID 2728 wrote to memory of 3948	2728	cmd.exe	84
PID 2728 wrote to memory of 3948	2728	cmd.exe	84
PID 2728 wrote to memory of 3948	2728	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING_119040-DOKUMENTY DOSTAWA,pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  PID:2440
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1936
  - - C:\Windows\SysWOW64\reg.exe
      reg delete hkcu\Environment /v windir /f
      4⤵
      Modifies registry key
      PID:1852
  - - 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:692
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
      4⤵
      PID:764
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\reg.exe
    reg delete hkcu\Environment /v windir /f
    3⤵
    - Modifies registry key
    PID:3948

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/804-114-0x0000000000790000-0x0000000000791000-memory.dmp

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memory/2440-120-0x0000000072600000-0x000000007267C000-memory.dmp

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memory/2440-118-0x0000000003220000-0x0000000003221000-memory.dmp

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memory/2440-119-0x0000000003280000-0x0000000003281000-memory.dmp

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memory/2440-122-0x0000000000400000-0x0000000000479000-memory.dmp

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memory/2440-121-0x0000000002F60000-0x0000000002F61000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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