remcos | 910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361

General

Target

910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe
Size

1.9MB
MD5

b0bacf1a05df8ef88dd7a07420208f1b
SHA1

8190a4aaa3cc23367929a18b06fa6e5c01164370
SHA256

910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361
SHA512

d4f18adbf63b7b1c82a38406ba12d079cfb547802d91cd4db6f21d9f6a36a7cea27313c8b3a32032c91a029722ed795b62357d98c8755b11219fb06ae291aeb0
SSDEEP

24576:ID39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/j7uD:Ip7E+QrFUBgq2b

Score

10^/10

remcos host credential_access 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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Executes dropped EXE 2 IoCs

pid	Process
2824	sbietrcl.exe
2160	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe

Reads user/profile data of web browsers 2 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

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2160	2824	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	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe
2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe
2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe
2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe
2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe
2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe
2824	sbietrcl.exe
2824	sbietrcl.exe
2824	sbietrcl.exe
2824	sbietrcl.exe
2824	sbietrcl.exe
2824	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe
Token: SeDebugPrivilege	2824	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2160	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2824	2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe	30
PID 2844 wrote to memory of 2824	2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe	30
PID 2844 wrote to memory of 2824	2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe	30
PID 2844 wrote to memory of 2824	2844	910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe	30
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31
PID 2824 wrote to memory of 2160	2824	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.exe
"C:\Users\Admin\AppData\Local\Temp\910c58518fec474ab76f42292f5539db0e68bc7092da8f1ba609f5365a09b361.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:2844
- 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:2824
- - 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:2160

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
1a64dc96df2417b7f8e03ab2d95183d8

SHA1
ffae3f6b421d1d2e32c91b4edc156661e4c1ca3c

SHA256
303b6d7134944764d35394bab3645cbdc1fa4c99488985ce9eeb91204536e36d

SHA512
34b5dd9bd9df3345dd2b24204b786118834d51896ddd0a921e5b14b59c37b71182d2e409fa904002a8245d434be0fd5b68a930c5ee1b5a79827a699813f6b04e

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab98D6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.9MB

MD5
3e8c8b9abef73582a767a7df2898a81d

SHA1
8bc973fe26d2c1b520c47c32ed9d6db50077d39c

SHA256
ce41e59b9568efa1c05002d0e6e46a2a2e41165fce06014864b89deab5304ecf

SHA512
2b68ff2439fb487585cdcf39d29d80f7b8cff086900fbcbcb434a3d85c4cf1e526a725c162d684617d2cda468231209d93f9373c958722b99a1a0688ecc91b3d

Download Submit
memory/2160-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-66-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-63-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-53-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-51-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-42-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-41-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-56-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-32-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2844-0-0x0000000074CA1000-0x0000000074CA2000-memory.dmp

Filesize
4KB

Download
memory/2844-13-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2844-1-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2844-2-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2844-31-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2844-12-0x0000000074CA0000-0x000000007524B000-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