remcos | 8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537

General

Target

8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
Size

1.7MB
MD5

4a7683ec3cc6ac96d234cc25c26a3e50
SHA1

5e8d5d1c9f23cc54dd0b33f7c89271756d452def
SHA256

8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537
SHA512

9d48e90046ffbfb3271a6351de061db6fbc32781e235b74c0d02ed4e282bbecc4eeefe673e5a59c538c502483356e262df08e12f25423ca11544ec502a99f1a1
SSDEEP

24576:2D39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjomyr:2p7E+QrFUBgq2vyr

Score

10^/10

remcos host discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

213.183.58.19:4000

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
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
read.dat
keylog_flag
false
keylog_folder
CastC
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sccafsoidz
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
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

Checks computer location settings 2 TTPs 1 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-1-5-21-3920955164-3782810283-1225622749-1000\Control Panel\International\Geo\Nation	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe

Executes dropped EXE 2 IoCs

pid	Process
2320	sbietrcl.exe
3268	sbietrcl.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-1-5-21-3920955164-3782810283-1225622749-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2320 set thread context of 3268	2320	sbietrcl.exe	104

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 2 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	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
2320	sbietrcl.exe
2320	sbietrcl.exe
2320	sbietrcl.exe
2320	sbietrcl.exe
2320	sbietrcl.exe
2320	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
Token: SeDebugPrivilege	2320	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 2320	4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe	101
PID 4444 wrote to memory of 2320	4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe	101
PID 4444 wrote to memory of 2320	4444	8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe	101
PID 2320 wrote to memory of 3268	2320	sbietrcl.exe	104
PID 2320 wrote to memory of 3268	2320	sbietrcl.exe	104
PID 2320 wrote to memory of 3268	2320	sbietrcl.exe	104
PID 2320 wrote to memory of 3268	2320	sbietrcl.exe	104
PID 2320 wrote to memory of 3268	2320	sbietrcl.exe	104
PID 2320 wrote to memory of 3268	2320	sbietrcl.exe	104
PID 2320 wrote to memory of 3268	2320	sbietrcl.exe	104
PID 2320 wrote to memory of 3268	2320	sbietrcl.exe	104
PID 2320 wrote to memory of 3268	2320	sbietrcl.exe	104

C:\Users\Admin\AppData\Local\Temp\8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe
"C:\Users\Admin\AppData\Local\Temp\8d018e469dc08f122778df18cacf04ac51fd4a623b93541074015e0d8c783537.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4444
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    PID:3268

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

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:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
1.7MB

MD5
c834ceb046726ddaf548c8cd64260ea3

SHA1
5077c1660528bb65bd2049c9ba990cf43b627e6d

SHA256
0e2fdc8927a6109f03f89de66613f1f8972379d0520ae01b4edb7c4b3877ece1

SHA512
853126345379977b540c5c2f801d8c69ae4ca948db747faa8313ceaded3bdf9ad141c803c5fd1b58b53c298c72d5761a064841a20019a8d45b7728bb4a3860e6

Download Submit
memory/2320-41-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2320-34-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2320-33-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2320-31-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2320-32-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/3268-37-0x0000000000610000-0x0000000000627000-memory.dmp

Filesize
92KB

Download
memory/4444-5-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4444-30-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4444-19-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4444-18-0x0000000074A92000-0x0000000074A93000-memory.dmp

Filesize
4KB

Download
memory/4444-6-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4444-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

Filesize
4KB

Download
memory/4444-2-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4444-1-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads