remcos | e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2

General

Target

e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
Size

372KB
MD5

566502fdae5980d5ecd941404442db1f
SHA1

e75a4e756820c1ed7039dca27f6c5d0e67f9e05d
SHA256

e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2
SHA512

16d2c37003c2c3ca15004a4ac3232cb1a4698efd6d5974a6238381feec035f919e53a4ce21254d4612e64f15785c583b3e822c441b2c6f411bbe290bdcb1c2fe
SSDEEP

6144:t6dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiee:tQqQx+H2i+8LBNbdypazCXYI

Score

10^/10

remcos tino discovery persistence rat

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

TINo

C2

185.140.53.140:2404

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
true
hide_file
false
hide_keylog_file
true
install_flag
true
install_path
%AppData%
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-5S9O07
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
1
startup_value
remcos
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

Executes dropped EXE 2 IoCs

pid	Process
2648	hab.exe
2864	hab.exe

Loads dropped DLL 3 IoCs

pid	Process
3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
2648	hab.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\bru = "wscript \"C:\\Users\\Admin\\AppData\\Local\\Temp\\hab.vbs\""	hab.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 3012	2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe	30
PID 2648 set thread context of 2864	2648	hab.exe	32

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
File opened for modification	C:\Windows\win.ini	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
File opened for modification	C:\Windows\win.ini	hab.exe
File opened for modification	C:\Windows\win.ini	hab.exe

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	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
2648	hab.exe
2648	hab.exe
2864	hab.exe
2864	hab.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
2648	hab.exe
2648	hab.exe
2864	hab.exe
2864	hab.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
2648	hab.exe
2864	hab.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 3012	2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe	30
PID 2748 wrote to memory of 3012	2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe	30
PID 2748 wrote to memory of 3012	2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe	30
PID 2748 wrote to memory of 3012	2748	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe	30
PID 3012 wrote to memory of 2648	3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe	31
PID 3012 wrote to memory of 2648	3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe	31
PID 3012 wrote to memory of 2648	3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe	31
PID 3012 wrote to memory of 2648	3012	e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe	31
PID 2648 wrote to memory of 2864	2648	hab.exe	32
PID 2648 wrote to memory of 2864	2648	hab.exe	32
PID 2648 wrote to memory of 2864	2648	hab.exe	32
PID 2648 wrote to memory of 2864	2648	hab.exe	32

C:\Users\Admin\AppData\Local\Temp\e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
"C:\Users\Admin\AppData\Local\Temp\e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe
  "C:\Users\Admin\AppData\Local\Temp\e74729c3bfe67f672f7fb05617a174abb90ed4c802f53b799c05e7e7cd460ca2.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Users\Admin\AppData\Local\Temp\hab.exe
    "C:\Users\Admin\AppData\Local\Temp\hab.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2648
  - - C:\Users\Admin\AppData\Local\Temp\hab.exe
      "C:\Users\Admin\AppData\Local\Temp\hab.exe"
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of SetWindowsHookEx
      PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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:\Windows\win.ini

Filesize
509B

MD5
d2a2412bddba16d60ec63bd9550d933f

SHA1
deb3d3bdc9055f0b4909b31d3048446848fae0e1

SHA256
79ff2254e38192be1626d05bec6c82e10c85e1cf91df7440c4c443380a1e877a

SHA512
8fecada107f72e59e43a689eeb8e2e18fa6134d0941c122025ed5bd00e5eab8114d7125bd289505be75641385a0c3f112d402c693f142c3ddc870d5fa8116e31

Download Submit
\Users\Admin\AppData\Local\Temp\hab.exe

Filesize
372KB

MD5
b1050cee17440c0137dbfbf3fd556c8f

SHA1
17a3059c62acad5bfa4a66f8b9eb2f8ee0b4d35b

SHA256
861194e109a2ba9dfd5573fef3f1cd75a04ccdcd500563693836ca475e3b0a7d

SHA512
fdf4a4964b971a019617107899b679b5bb9a0523f02e1f878c7aca83a34835165158e3092bcd380a0f1b47695a7c46c6b7ddeffa74be59dced09301d94a2e813

Download Submit
memory/2748-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2748-5-0x0000000077BE0000-0x0000000077D89000-memory.dmp

Filesize
1.7MB

Download
memory/2748-4-0x0000000077BE1000-0x0000000077CE2000-memory.dmp

Filesize
1.0MB

Download
memory/2748-13-0x0000000077DD0000-0x0000000077EA6000-memory.dmp

Filesize
856KB

Download
memory/2748-12-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2864-36-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/2864-34-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3012-14-0x0000000077BE0000-0x0000000077D89000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads