remcos | 284d63bee40558dcdd96057cbc0a07fba210b2de0111da57530ff2083d0d57f9

Analysis

max time kernel
152s
max time network
152s
platform
windows10_x64
resource
win10-en-20211104
submitted
09/11/2021, 12:57

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Hemotronik Nov Acil PO_76565,pdf.exe
Size 832KB
Sample211109-p6xssafcd8
SHA256 284d63bee40558dcdd96057cbc0a07fba210b2de0111da57530ff2083d0d57f9
MD5 f399732e83799274d0cc8c3302d05cc6
SHA1 92425c899bb9d26b474084e89e9a3f258876c9cb
SHA512 f1f409a15fadce1376289f738147aa99d05ffbe6cdcfa867e528d55de96bb68b003c62377f099301c7941c319c9e2bdc1a0ca34347c445b8f2c641d2675a778c
MD5 SHA1 SHA512

Score

10^/10

remcos ckay persistence rat

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

CKAY

tattonmurpy6.ddns.net:1720

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-P2GVP9
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-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Elwsvhhm = "C:\\Users\\Public\\mhhvswlE.url"	Hemotronik Nov Acil PO_76565,pdf.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
216	reg.exe
752	reg.exe
196	reg.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 816	2824	Hemotronik Nov Acil PO_76565,pdf.exe	68
PID 2824 wrote to memory of 3372	2824	Hemotronik Nov Acil PO_76565,pdf.exe	69
PID 2824 wrote to memory of 3372	2824	Hemotronik Nov Acil PO_76565,pdf.exe	69
PID 2824 wrote to memory of 3372	2824	Hemotronik Nov Acil PO_76565,pdf.exe	69
PID 3372 wrote to memory of 1552	3372	cmd.exe	71
PID 3372 wrote to memory of 1552	3372	cmd.exe	71
PID 3372 wrote to memory of 1552	3372	cmd.exe	71
PID 1552 wrote to memory of 196	1552	cmd.exe	73
PID 1552 wrote to memory of 196	1552	cmd.exe	73
PID 1552 wrote to memory of 196	1552	cmd.exe	73
PID 1552 wrote to memory of 216	1552	cmd.exe	74
PID 1552 wrote to memory of 216	1552	cmd.exe	74
PID 1552 wrote to memory of 216	1552	cmd.exe	74
PID 1552 wrote to memory of 548	1552	cmd.exe	75
PID 1552 wrote to memory of 548	1552	cmd.exe	75
PID 1552 wrote to memory of 548	1552	cmd.exe	75
PID 2824 wrote to memory of 512	2824	Hemotronik Nov Acil PO_76565,pdf.exe	76
PID 2824 wrote to memory of 512	2824	Hemotronik Nov Acil PO_76565,pdf.exe	76
PID 2824 wrote to memory of 512	2824	Hemotronik Nov Acil PO_76565,pdf.exe	76
PID 512 wrote to memory of 752	512	cmd.exe	78
PID 512 wrote to memory of 752	512	cmd.exe	78
PID 512 wrote to memory of 752	512	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\Hemotronik Nov Acil PO_76565,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Hemotronik Nov Acil PO_76565,pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  PID:816
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1552
  - - C:\Windows\SysWOW64\reg.exe
      reg delete hkcu\Environment /v windir /f
      4⤵
      Modifies registry key
      PID:196
  - - 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:216
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
      4⤵
      PID:548
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:512
- - C:\Windows\SysWOW64\reg.exe
    reg delete hkcu\Environment /v windir /f
    3⤵
    - Modifies registry key
    PID:752

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/816-130-0x00000000032A0000-0x00000000032A1000-memory.dmp

Download

memory/816-129-0x0000000002F60000-0x0000000002F61000-memory.dmp

Download

memory/816-128-0x0000000003240000-0x0000000003241000-memory.dmp

Download

memory/816-131-0x0000000072600000-0x000000007267C000-memory.dmp

Download

memory/816-132-0x0000000000400000-0x0000000000479000-memory.dmp

Download

memory/2824-118-0x0000000000590000-0x0000000000591000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads