remcos | b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebdd

General

Target

b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe
Size

469KB
MD5

24694b1aa8dc1173a9a1877701736010
SHA1

dc45ca0241af5090baedfc94513a8235f5804467
SHA256

b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebdd
SHA512

b4ba86f47fa3a9eef04a7cb4ee2b784bdb419fb5c049039b93b767279b96e0e3af59e5ab8ff143ac979ead3cdd42eac592439c00620e337515b2fe0c80f0e95c
SSDEEP

12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQShn9:uiLJbpI7I2WhQqZ7h9

Score

10^/10

remcos remotehost discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

204.10.194.175:4444

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
allahtools.exe
copy_folder
Remcos
delete_file
true
hide_file
false
hide_keylog_file
false
install_flag
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-5TVP5I
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
phishontop
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\phishontop = "\"C:\\ProgramData\\Remcos\\allahtools.exe\""	allahtools.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\phishontop = "\"C:\\ProgramData\\Remcos\\allahtools.exe\""	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	allahtools.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	WScript.exe

Deletes itself 1 IoCs

pid	Process
3124	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
860	allahtools.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\phishontop = "\"C:\\ProgramData\\Remcos\\allahtools.exe\""	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\phishontop = "\"C:\\ProgramData\\Remcos\\allahtools.exe\""	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\phishontop = "\"C:\\ProgramData\\Remcos\\allahtools.exe\""	allahtools.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\phishontop = "\"C:\\ProgramData\\Remcos\\allahtools.exe\""	allahtools.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 860 set thread context of 2040	860	allahtools.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	allahtools.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
860	allahtools.exe
860	allahtools.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
860	allahtools.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 3124	4216	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe	82
PID 4216 wrote to memory of 3124	4216	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe	82
PID 4216 wrote to memory of 3124	4216	b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe	82
PID 3124 wrote to memory of 3516	3124	WScript.exe	83
PID 3124 wrote to memory of 3516	3124	WScript.exe	83
PID 3124 wrote to memory of 3516	3124	WScript.exe	83
PID 3516 wrote to memory of 860	3516	cmd.exe	85
PID 3516 wrote to memory of 860	3516	cmd.exe	85
PID 3516 wrote to memory of 860	3516	cmd.exe	85
PID 860 wrote to memory of 2040	860	allahtools.exe	86
PID 860 wrote to memory of 2040	860	allahtools.exe	86
PID 860 wrote to memory of 2040	860	allahtools.exe	86
PID 860 wrote to memory of 2040	860	allahtools.exe	86

C:\Users\Admin\AppData\Local\Temp\b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe
"C:\Users\Admin\AppData\Local\Temp\b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebddN.exe"
1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
  2⤵
  - Checks computer location settings
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3124
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c "C:\ProgramData\Remcos\allahtools.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3516
  - - C:\ProgramData\Remcos\allahtools.exe
      C:\ProgramData\Remcos\allahtools.exe
      4⤵
      Adds policy Run key to start application
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:860
    - - \??\c:\program files (x86)\internet explorer\iexplore.exe
        
        "c:\program files (x86)\internet explorer\iexplore.exe"
        5⤵
        
        PID:2040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Remcos\allahtools.exe

Filesize
469KB

MD5
24694b1aa8dc1173a9a1877701736010

SHA1
dc45ca0241af5090baedfc94513a8235f5804467

SHA256
b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebdd

SHA512
b4ba86f47fa3a9eef04a7cb4ee2b784bdb419fb5c049039b93b767279b96e0e3af59e5ab8ff143ac979ead3cdd42eac592439c00620e337515b2fe0c80f0e95c

Download Submit
C:\Users\Admin\AppData\Local\Temp\install.vbs

Filesize
636B

MD5
663cc8bec81463ce6b947913bb5c992c

SHA1
1408cb2bb593ac5f802ae51011d1167b55e155fb

SHA256
eaa30bf31517c6eb5ce8f41b3386e6322223cb529328101d4c883bcb0ee3f9d0

SHA512
e7e15116163c5514c869d6460dc086314c64a663706e1b6ed9bcfeec22c1e100fb48822883a0a472872f703b50d5fd1648ed83236b659562634a1a6355adba8b

Download Submit
memory/2040-8-0x0000000000B60000-0x0000000000BDF000-memory.dmp

Filesize
508KB

Download
memory/2040-9-0x0000000000B60000-0x0000000000BDF000-memory.dmp

Filesize
508KB

Download
memory/2040-10-0x0000000000B60000-0x0000000000BDF000-memory.dmp

Filesize
508KB

Download
memory/2040-11-0x0000000000B60000-0x0000000000BDF000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads