remcos | 49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7

General

Target

49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
Size

1.9MB
MD5

24ccfe6f230a958a95303e9192616fd8
SHA1

17268748c689d54969ee4d1b643c84fc1f5efd50
SHA256

49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7
SHA512

c8d3b4cc7cac9b20d2cd998542c4a69c83ccfea989db4f2c0cec9e503c8d2cfb5ba79b6116a26044e07817769d5d1be03a593d9fb9d85f48271ca67851710171
SSDEEP

24576:7D39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6jI:7F+QrFUBgq25eKu6jI

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-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe

Executes dropped EXE 4 IoCs

pid	Process
5360	sbietrcl.exe
4476	sbietrcl.exe
1988	sbietrcl.exe
5160	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-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5360 set thread context of 1988	5360	sbietrcl.exe	97
PID 4476 set thread context of 5160	4476	sbietrcl.exe	100

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	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
5360	sbietrcl.exe
5360	sbietrcl.exe
5360	sbietrcl.exe
5360	sbietrcl.exe
5360	sbietrcl.exe
5360	sbietrcl.exe
4476	sbietrcl.exe
4476	sbietrcl.exe
4476	sbietrcl.exe
4476	sbietrcl.exe
4476	sbietrcl.exe
4476	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
Token: SeDebugPrivilege	5360	sbietrcl.exe
Token: SeDebugPrivilege	4476	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5160	sbietrcl.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 5360	4596	cmd.exe	95
PID 4596 wrote to memory of 5360	4596	cmd.exe	95
PID 4596 wrote to memory of 5360	4596	cmd.exe	95
PID 1476 wrote to memory of 4476	1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe	96
PID 1476 wrote to memory of 4476	1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe	96
PID 1476 wrote to memory of 4476	1476	49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe	96
PID 5360 wrote to memory of 1988	5360	sbietrcl.exe	97
PID 5360 wrote to memory of 1988	5360	sbietrcl.exe	97
PID 5360 wrote to memory of 1988	5360	sbietrcl.exe	97
PID 5360 wrote to memory of 1988	5360	sbietrcl.exe	97
PID 5360 wrote to memory of 1988	5360	sbietrcl.exe	97
PID 5360 wrote to memory of 1988	5360	sbietrcl.exe	97
PID 5360 wrote to memory of 1988	5360	sbietrcl.exe	97
PID 5360 wrote to memory of 1988	5360	sbietrcl.exe	97
PID 5360 wrote to memory of 1988	5360	sbietrcl.exe	97
PID 4476 wrote to memory of 5160	4476	sbietrcl.exe	100
PID 4476 wrote to memory of 5160	4476	sbietrcl.exe	100
PID 4476 wrote to memory of 5160	4476	sbietrcl.exe	100
PID 4476 wrote to memory of 5160	4476	sbietrcl.exe	100
PID 4476 wrote to memory of 5160	4476	sbietrcl.exe	100
PID 4476 wrote to memory of 5160	4476	sbietrcl.exe	100
PID 4476 wrote to memory of 5160	4476	sbietrcl.exe	100
PID 4476 wrote to memory of 5160	4476	sbietrcl.exe	100
PID 4476 wrote to memory of 5160	4476	sbietrcl.exe	100

C:\Users\Admin\AppData\Local\Temp\49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.exe
"C:\Users\Admin\AppData\Local\Temp\49f04d381800566903c6ae06e20482e4ef7e0b127c112389af5a3717325e7cd7.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:1476
- 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:4476
- - 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:5160

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4596
- 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:5360
- - 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:1988

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\sbietrcl.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

Filesize
1.9MB

MD5
6752e486cc6b59e7ba9e0863555df0e9

SHA1
bfe7354dc6abbc0ec968d36f93bb0ade2ce94206

SHA256
682d3dc90ae2159d719f9aac91b2b7d34f362d00835b7cdf5f8b4baf78c6f396

SHA512
cb6463b9868f494206d245a720346367009e7a331f93a9acd9c1d8a23b7b74efc98027bb3982118538736c0985332d1231a7f38e72a4f75bb6661f4b8cfdace2

Download Submit
memory/1476-27-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/1476-1-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/1476-2-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/1476-5-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/1476-6-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/1476-18-0x0000000075182000-0x0000000075183000-memory.dmp

Filesize
4KB

Download
memory/1476-19-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/1476-24-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/1476-0-0x0000000075182000-0x0000000075183000-memory.dmp

Filesize
4KB

Download
memory/4476-28-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/4476-42-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/5160-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5160-35-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5160-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5160-36-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5160-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5360-25-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/5360-32-0x0000000075180000-0x0000000075731000-memory.dmp

Filesize
5.7MB

Download
memory/5360-26-0x0000000075180000-0x0000000075731000-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