remcos | 7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac

General

Target

7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
Size

910KB
MD5

a24a1bbd8b0ce4737d179c924afc6e77
SHA1

40cd5db7d8a1d1c37ee23f90a363bc00dc36ee2a
SHA256

7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac
SHA512

f283a6c54bdf6f5a3a1ece5d90ea64cbc9586f3015dd03bfe0a0fd8966c54bd7f91ab00ce3cc49acc33c9642d99d36943a11c2d0819aa583ec8236cf956e1e91
SSDEEP

12288:kp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9M7:kpugRNJI1D39dlfGQrFUx9M7

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
2712	sbietrcl.exe
2596	sbietrcl.exe

Loads dropped DLL 2 IoCs

pid	Process
2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
2712	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2596	2712	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	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.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
2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
2712	sbietrcl.exe
2712	sbietrcl.exe
2712	sbietrcl.exe
2712	sbietrcl.exe
2712	sbietrcl.exe
2712	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
Token: SeDebugPrivilege	2712	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2596	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2712	2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe	30
PID 2228 wrote to memory of 2712	2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe	30
PID 2228 wrote to memory of 2712	2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe	30
PID 2228 wrote to memory of 2712	2228	7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe	30
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 2596	2712	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.exe
"C:\Users\Admin\AppData\Local\Temp\7caf68c89471c61128dc496052deb1bdc26b0a5c98218975cbd76545e483aaac.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:2228
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2712
- - 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:2596

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
c2f90a632f160031ebc9bc16016833c0

SHA1
7c7dda47261f72cc5c1afd833201b05b8ccd7821

SHA256
23f6346f339a23eaefe9d20ff358a2581d020c80fdc34197314fa86e49cd56ce

SHA512
633c8265644677aa0f4b242e7dafe0dd72943861bf0a2e307cb578cd191c804ee9a42f75c3f32c2a6963d6956567854c8d5964f6da4c6dccb32ca17924dda129

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab1BF9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
915KB

MD5
b5ba3493e6621545473347f91c171d1b

SHA1
9fc67aad6a3d18c99ca9f7efeb77b4d3d7d4ae4c

SHA256
46d6c9e3a157f5cc215d3b5fa395b8a3a54d410367054b85cf4cc1040c209322

SHA512
32846c0ef22ec7b4bdbaf174a669eb4e77b58b056ae9b705986dbf8ae2edcb504d70f0050e8cddd9288d6e4605ce8136225705d21d33fe23994b2767290b310a

Download Submit
memory/2228-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-12-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-13-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-25-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-32-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

Filesize
4KB

Download
memory/2596-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-71-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-67-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-68-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-66-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2712-34-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-64-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-33-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-44-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-43-0x0000000074AB0000-0x000000007505B000-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