remcos | d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2

General

Target

d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe
Size

1.4MB
MD5

c8a1a34d11e4eda342918ebcde115dc1
SHA1

329810357b607684c49821fa13ddf6af8cfa0375
SHA256

d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2
SHA512

cd0032f6ddf20ad4dbb94dbc67fb154e8874d322888cb34d19b2a48dd11aa03ab881a5a77251b713a05ef8db8891fa7f6e9e64ec80a8205fa90bb357bd50f1f7
SSDEEP

24576:4D39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJq:4F+QrFUBgq25eKk

Score

10^/10

remcos host discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe

Executes dropped EXE 2 IoCs

pid	Process
2164	sbietrcl.exe
2504	sbietrcl.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2164 set thread context of 2504	2164	sbietrcl.exe	90

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 3 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	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe
532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe
532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe
532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe
532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe
532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe
2164	sbietrcl.exe
2164	sbietrcl.exe
2164	sbietrcl.exe
2164	sbietrcl.exe
2164	sbietrcl.exe
2164	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe
Token: SeDebugPrivilege	2164	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2504	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 2164	532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe	85
PID 532 wrote to memory of 2164	532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe	85
PID 532 wrote to memory of 2164	532	d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe	85
PID 2164 wrote to memory of 2504	2164	sbietrcl.exe	90
PID 2164 wrote to memory of 2504	2164	sbietrcl.exe	90
PID 2164 wrote to memory of 2504	2164	sbietrcl.exe	90
PID 2164 wrote to memory of 2504	2164	sbietrcl.exe	90
PID 2164 wrote to memory of 2504	2164	sbietrcl.exe	90
PID 2164 wrote to memory of 2504	2164	sbietrcl.exe	90
PID 2164 wrote to memory of 2504	2164	sbietrcl.exe	90
PID 2164 wrote to memory of 2504	2164	sbietrcl.exe	90
PID 2164 wrote to memory of 2504	2164	sbietrcl.exe	90

C:\Users\Admin\AppData\Local\Temp\d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.exe
"C:\Users\Admin\AppData\Local\Temp\d9b0cdd1131c5686c45b57bd4b9663a5089ae14df0d3e967f9df4a76278761e2.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:532
- 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:2164
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2504

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.4MB

MD5
7a4a51b65567878a27c89504c301cfd8

SHA1
7bbf2ebde20caf6ab51310f656efe8a3a582a24f

SHA256
021a235fb4c4c56a2dfc3740a5aeb12bdd76d8c40f8f786de1fb73c9ce2be5ee

SHA512
f1c342490f85896a3c4e93c712cc43ac7bd360cfe2e158c6a771c0844dfcdd5c47d648a8c071e8ceef14adaefb085aa75394b1a6a31206ed1d5c8e402d41765e

Download Submit
memory/532-0-0x0000000074C42000-0x0000000074C43000-memory.dmp

Filesize
4KB

Download
memory/532-1-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/532-2-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/532-5-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/532-6-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/532-18-0x0000000074C42000-0x0000000074C43000-memory.dmp

Filesize
4KB

Download
memory/532-19-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/532-30-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2164-31-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2164-32-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2164-33-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2164-34-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2164-46-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2504-35-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2504-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2504-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2504-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2504-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2504-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2504-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads