remcos | 1364e3f0b350e7b83a82e9d75745a14b1d88ee737583dcf3450ec719fadf6ad8

Analysis

max time kernel
141s
max time network
148s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:25

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General

Target

0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe
Size

1.9MB
MD5

d7122058f59607ff3dc57c88cf2d3aff
SHA1

6a5420d2edcc3e6d04417cf57a1086dca2677db3
SHA256

0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561
SHA512

c34c948986845939118e38109fb5e536e1f01ba0e4f7bad2c2188466ca7227904ff84ae1cdd0c4de79931859d310f5330018bed8f02130af248b1f6dc6a8d62e
SSDEEP

24576:nD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6X:nF+QrFUBgq25eKu6X

Score

10^/10

remcos host discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

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
2932	sbietrcl.exe
2852	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2852	2932	sbietrcl.exe	32

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	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.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
2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe
2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe
2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe
2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe
2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe
2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe
2932	sbietrcl.exe
2932	sbietrcl.exe
2932	sbietrcl.exe
2932	sbietrcl.exe
2932	sbietrcl.exe
2932	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe
Token: SeDebugPrivilege	2932	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2852	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2932	2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe	31
PID 2116 wrote to memory of 2932	2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe	31
PID 2116 wrote to memory of 2932	2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe	31
PID 2116 wrote to memory of 2932	2116	0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe	31
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32
PID 2932 wrote to memory of 2852	2932	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.exe
"C:\Users\Admin\AppData\Local\Temp\0ab7e56cada9281e0177e5b1bd800a9e3ab481eeab4719cae1b91f36b1275561.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:2116
- 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:2932
- - 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:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabD365.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.9MB

MD5
e0889470e79ec3c09ddd899289b01d98

SHA1
433ed8ffa023571107692d60887829145469e05a

SHA256
588806ac023a5a332d1048719e8f41ed6360d9b55b6dfed606dc1c8b74cbbf93

SHA512
ee1183bfda8d40a4579adeb71bdba8aa42afcd2de74dfc6f445aa0bf819d11eafd1376887a1eb4ccca49ea6a8fe8c49a9d4651cf7f12658db206bb5753e8ce01

Download Submit
memory/2116-1-0x0000000074E80000-0x000000007542B000-memory.dmp

Filesize
5.7MB

Download
memory/2116-9-0x0000000074E80000-0x000000007542B000-memory.dmp

Filesize
5.7MB

Download
memory/2116-10-0x0000000074E80000-0x000000007542B000-memory.dmp

Filesize
5.7MB

Download
memory/2116-11-0x0000000074E80000-0x000000007542B000-memory.dmp

Filesize
5.7MB

Download
memory/2116-0-0x0000000074E81000-0x0000000074E82000-memory.dmp

Filesize
4KB

Download
memory/2116-29-0x0000000074E80000-0x000000007542B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2932-30-0x0000000074E80000-0x000000007542B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-38-0x0000000074E80000-0x000000007542B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-55-0x0000000074E80000-0x000000007542B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-39-0x0000000074E80000-0x000000007542B000-memory.dmp

Filesize
5.7MB

Download