remcos | d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b

General

Target

d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
Size

903KB
MD5

2649d9e9fcbb3e96aa04e73939597ebe
SHA1

7a502353814d8323752779626cdd42651c2cfc57
SHA256

d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b
SHA512

11ba1a27ab7e7a6ec5638b62761d4e742f2b6c4377792952ea764dc18dc6232e8f5ba8e5bb6c9ca07deeb7eb5053a67cb4a34cee1e128c651a30f6753f2bcb4d
SSDEEP

12288:tp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9Mt:tpugRNJI1D39dlfGQrFUx9Mt

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

Executes dropped EXE 2 IoCs

pid	Process
2668	sbietrcl.exe
320	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 320	2668	sbietrcl.exe	31

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	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
2668	sbietrcl.exe
2668	sbietrcl.exe
2668	sbietrcl.exe
2668	sbietrcl.exe
2668	sbietrcl.exe
2668	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
Token: SeDebugPrivilege	2668	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
320	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2668	2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe	30
PID 2760 wrote to memory of 2668	2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe	30
PID 2760 wrote to memory of 2668	2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe	30
PID 2760 wrote to memory of 2668	2760	d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe	30
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31
PID 2668 wrote to memory of 320	2668	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe
"C:\Users\Admin\AppData\Local\Temp\d1c0a9525bf259465de304408570586693062d18f7d59ec854dbc8158acb700b.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760
- 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:2668
- - 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:320

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

System Information Discovery

1

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
3372052cd7e71fafd02bb25667d4ccc5

SHA1
7d45fcd4a9fad423b0cfd87a347e4fb82e317173

SHA256
b5f436fd51a0efcb46f43c8bba6da7957f946b98c3a143c4a7086c18f85b86fa

SHA512
8baff106aee547b5e69a5a7a34d9d92c092a60109b34ba8d9c103ba00b6204adcc6d624238ff3bcd14542dd4be0e1fe8c5bda71e0fc57f3397842471ef323817

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab63F1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
909KB

MD5
0fa52a196c7df37de12172986f976f18

SHA1
f5f015f1a761f384dd7ff98c92f6b38bac3395f8

SHA256
014e4cf95cc6973ed596417d212a31919a44219005180206cd6d5be24ffc0ec1

SHA512
03e81ae2bf1a18a21364f7e8e8c67d7dd77a58338655b57cd8e92dd923ed475969df23d6de8992e171b8ffdea58d40fb7698105822e41f56f5254b08d407a36a

Download Submit
memory/320-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-68-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-63-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-64-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/320-53-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/320-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2668-42-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-41-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-32-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-31-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-65-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-1-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-0-0x0000000074FC1000-0x0000000074FC2000-memory.dmp

Filesize
4KB

Download
memory/2760-12-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-11-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-30-0x0000000074FC0000-0x000000007556B000-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