remcos | 0593cdcb398c7b41a48babc22d84ede200329ced43988cd5695ee43ef806a314

Analysis

max time kernel
152s
max time network
161s
platform
windows10_x64
resource
win10-en-20211104
submitted
08/11/2021, 07:37

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General

Target
New Order Inquiry No.96883,pdf.exe
Size 1.1MB
Sample211108-jft2babdh9
SHA256 0593cdcb398c7b41a48babc22d84ede200329ced43988cd5695ee43ef806a314
MD5 66482a63ef5fa9e860f3f6fd8b88cfbb
SHA1 fdd8885968aa25b2d2a4a121ec9534b807ae040d
SHA512 e4df64d965014aafd64400ba138e518d45d48fe1c8f74c7648159bf7758e2a4b8cd6d37f55ab10d21d6c74bd1b3022ce6377019547148b083871ac4636f3a36a
MD5 SHA1 SHA512

Score

10^/10

remcos kingmaca persistence rat

Malware Config

Extracted

Family

remcos

Botnet

KINGMACA

blessedmacatty.ddns.net:2091

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-2C5HHK
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-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Djjfcomn = "C:\\Users\\Public\\nmocfjjD.url"	New Order Inquiry No.96883,pdf.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
1804	reg.exe
676	reg.exe
1544	reg.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 4072	3452	New Order Inquiry No.96883,pdf.exe	69
PID 3452 wrote to memory of 3668	3452	New Order Inquiry No.96883,pdf.exe	70
PID 3452 wrote to memory of 3668	3452	New Order Inquiry No.96883,pdf.exe	70
PID 3452 wrote to memory of 3668	3452	New Order Inquiry No.96883,pdf.exe	70
PID 3668 wrote to memory of 2740	3668	cmd.exe	72
PID 3668 wrote to memory of 2740	3668	cmd.exe	72
PID 3668 wrote to memory of 2740	3668	cmd.exe	72
PID 2740 wrote to memory of 1804	2740	cmd.exe	74
PID 2740 wrote to memory of 1804	2740	cmd.exe	74
PID 2740 wrote to memory of 1804	2740	cmd.exe	74
PID 2740 wrote to memory of 676	2740	cmd.exe	75
PID 2740 wrote to memory of 676	2740	cmd.exe	75
PID 2740 wrote to memory of 676	2740	cmd.exe	75
PID 2740 wrote to memory of 604	2740	cmd.exe	76
PID 2740 wrote to memory of 604	2740	cmd.exe	76
PID 2740 wrote to memory of 604	2740	cmd.exe	76
PID 3452 wrote to memory of 1764	3452	New Order Inquiry No.96883,pdf.exe	77
PID 3452 wrote to memory of 1764	3452	New Order Inquiry No.96883,pdf.exe	77
PID 3452 wrote to memory of 1764	3452	New Order Inquiry No.96883,pdf.exe	77
PID 1764 wrote to memory of 1544	1764	cmd.exe	79
PID 1764 wrote to memory of 1544	1764	cmd.exe	79
PID 1764 wrote to memory of 1544	1764	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\New Order Inquiry No.96883,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\New Order Inquiry No.96883,pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  PID:4072
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3668
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2740
  - - C:\Windows\SysWOW64\reg.exe
      reg delete hkcu\Environment /v windir /f
      4⤵
      Modifies registry key
      PID:1804
  - - 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:676
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
      4⤵
      PID:604
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Windows\SysWOW64\reg.exe
    reg delete hkcu\Environment /v windir /f
    3⤵
    - Modifies registry key
    PID:1544

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/3452-118-0x00000000006C0000-0x00000000006C1000-memory.dmp

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memory/3452-119-0x00000000006E1000-0x00000000006F5000-memory.dmp

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memory/4072-128-0x00000000027A0000-0x00000000027A1000-memory.dmp

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memory/4072-131-0x0000000004310000-0x0000000004388000-memory.dmp

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memory/4072-132-0x00000000026E0000-0x00000000026E1000-memory.dmp

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memory/4072-130-0x0000000072600000-0x000000007267B000-memory.dmp

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memory/4072-129-0x0000000002800000-0x0000000002801000-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