remcos | 828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92

General

Target

828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
Size

372KB
MD5

04cae2b318dbfbb8a5fc80070bed1533
SHA1

d76a47b195c3c138c9b3eff088992252f584b475
SHA256

828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92
SHA512

a1d971896e473b711cd05b1c97cb60b1eacce38ce0a66e18b5d8902fe8e89b1000e6dece9363a0478e808e146fc36699b5ae2b8bd266723f0590711d1fd12095
SSDEEP

6144:tKdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhi2e:tgqQx+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
2272	hab.exe
2892	hab.exe

Loads dropped DLL 3 IoCs

pid	Process
2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2272	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-1-5-21-3533259084-2542256011-65585152-1000\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 1816 set thread context of 2728	1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe	30
PID 2272 set thread context of 2892	2272	hab.exe	32

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	hab.exe
File opened for modification	C:\Windows\win.ini	hab.exe
File opened for modification	C:\Windows\win.ini	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
File opened for modification	C:\Windows\win.ini	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.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	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hab.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2272	hab.exe
2272	hab.exe
2892	hab.exe
2892	hab.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2272	hab.exe
2272	hab.exe
2892	hab.exe
2892	hab.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
2272	hab.exe
2892	hab.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 2728	1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe	30
PID 1816 wrote to memory of 2728	1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe	30
PID 1816 wrote to memory of 2728	1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe	30
PID 1816 wrote to memory of 2728	1816	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe	30
PID 2728 wrote to memory of 2272	2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe	31
PID 2728 wrote to memory of 2272	2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe	31
PID 2728 wrote to memory of 2272	2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe	31
PID 2728 wrote to memory of 2272	2728	828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe	31
PID 2272 wrote to memory of 2892	2272	hab.exe	32
PID 2272 wrote to memory of 2892	2272	hab.exe	32
PID 2272 wrote to memory of 2892	2272	hab.exe	32
PID 2272 wrote to memory of 2892	2272	hab.exe	32

C:\Users\Admin\AppData\Local\Temp\828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
"C:\Users\Admin\AppData\Local\Temp\828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.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:1816
- C:\Users\Admin\AppData\Local\Temp\828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.exe
  "C:\Users\Admin\AppData\Local\Temp\828f90ee9ac1319f3a13fdb52ea902cad7efa5c202e70257826056ae3ea15e92.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:2728
- - 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:2272
  - - 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:2892

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
86b239c91dd6e1297aef96712b5b2b34

SHA1
02100c07da2a9d7a267a9fc1ff8e4b744d6ff3c7

SHA256
2a63ab1bf9b898dc012ef857c8ccacc4bff6076b059be0207990a53070e10576

SHA512
d1eb193c06744797149b6218379d14e9de3aaf1e740c25638dd62e5cbf60051e980c29fb4712a7a399b2cdd1df3271addbafbe461d908bbe838585b9040f8337

Download Submit
memory/1816-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1816-4-0x0000000077C21000-0x0000000077D22000-memory.dmp

Filesize
1.0MB

Download
memory/1816-5-0x0000000077C20000-0x0000000077DC9000-memory.dmp

Filesize
1.7MB

Download
memory/1816-13-0x0000000077E10000-0x0000000077EE6000-memory.dmp

Filesize
856KB

Download
memory/1816-12-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2728-14-0x0000000077C20000-0x0000000077DC9000-memory.dmp

Filesize
1.7MB

Download
memory/2892-35-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2892-36-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads