remcos | 62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a

General

Target

62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
Size

1.5MB
MD5

9751c8136e059e26f5c07f1411ef2734
SHA1

1c3a2f9b937c637f1ed764d1b49c3c5a4ec6f24e
SHA256

62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a
SHA512

6774ef9bcc6f974326b1e93cc0392d06c6ce6d6fc4baa0c1d59faaee77d6e63a1284fae77b45756837b00807a55b39b3baf9418c14bb28b85c989fb0fa02897b
SSDEEP

24576:mD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqk:mF+QrFUBgq25eK6

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
2728	sbietrcl.exe
1032	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 1032	2728	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	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
2728	sbietrcl.exe
2728	sbietrcl.exe
2728	sbietrcl.exe
2728	sbietrcl.exe
2728	sbietrcl.exe
2728	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
Token: SeDebugPrivilege	2728	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1032	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2728	2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe	30
PID 2676 wrote to memory of 2728	2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe	30
PID 2676 wrote to memory of 2728	2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe	30
PID 2676 wrote to memory of 2728	2676	62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe	30
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31
PID 2728 wrote to memory of 1032	2728	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.exe
"C:\Users\Admin\AppData\Local\Temp\62707b0f945d2416a1a73524ebb2e8c3be2e45de3bc89203239b1dff2405841a.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:2676
- 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:2728
- - 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:1032

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
8c8ecf72192f2af8a983bca189832b82

SHA1
7051702d859afc59ff3bb6dd51bb8ce0ffa10b13

SHA256
35e0785fc37406ea67eaf6c60c9b07daa98ec0aaad7f8483674615839f6d7696

SHA512
1f4fd5eab40b2ca3969ec56375b20516b08e9aef80299feea76f727149706ad45ce0989e2adec2277ea0933f7a7f4099d5b2fc378b991bf564591f35cd6b35ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3958.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.5MB

MD5
723a1ed0f54d7af8e9e508287fc306f3

SHA1
dbb36d15c48a643efbffd550825b0c791b5e3f94

SHA256
cb752967cd9eb41dfad5c1044695a7e8884b7717f0f92bc5e9af59fedf0fbae9

SHA512
9483de65874b0516d0ce749072055f80b722234165de5e140fe370f2723171d2715f4f77496848a875db3dab022e88b03f682b892587c6fb5db322a70e6d5bef

Download Submit
memory/1032-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1032-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1032-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-0-0x0000000074271000-0x0000000074272000-memory.dmp

Filesize
4KB

Download
memory/2676-13-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2676-1-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2676-2-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2676-32-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2676-12-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2676-25-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-62-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-44-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-43-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-33-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-42-0x0000000074270000-0x000000007481B000-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