remcos | ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364

General

Target

ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe
Size

2.0MB
MD5

b2cbf968f1a211f8c606807dfa721950
SHA1

f520c1ee04094f60d01539828944d4b2dbed86ae
SHA256

ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364
SHA512

cb51df850e0bf8d9ae8cda00008cc020b065461b26fc1b10ca8bd1b58fcdd0476c97313a72603d1fe9dae656ea86d3498df11b8252cca7e6d222f6e67b4ad0dc
SSDEEP

24576:iD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/j73AneLL:ip7E+QrFUBgq2E

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe

Executes dropped EXE 2 IoCs

pid	Process
3336	sbietrcl.exe
1456	sbietrcl.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3336 set thread context of 1456	3336	sbietrcl.exe	93

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	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.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
3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe
3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe
3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe
3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe
3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe
3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe
3336	sbietrcl.exe
3336	sbietrcl.exe
3336	sbietrcl.exe
3336	sbietrcl.exe
3336	sbietrcl.exe
3336	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe
Token: SeDebugPrivilege	3336	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1456	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 3336	3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe	92
PID 3644 wrote to memory of 3336	3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe	92
PID 3644 wrote to memory of 3336	3644	ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe	92
PID 3336 wrote to memory of 1456	3336	sbietrcl.exe	93
PID 3336 wrote to memory of 1456	3336	sbietrcl.exe	93
PID 3336 wrote to memory of 1456	3336	sbietrcl.exe	93
PID 3336 wrote to memory of 1456	3336	sbietrcl.exe	93
PID 3336 wrote to memory of 1456	3336	sbietrcl.exe	93
PID 3336 wrote to memory of 1456	3336	sbietrcl.exe	93
PID 3336 wrote to memory of 1456	3336	sbietrcl.exe	93
PID 3336 wrote to memory of 1456	3336	sbietrcl.exe	93
PID 3336 wrote to memory of 1456	3336	sbietrcl.exe	93

C:\Users\Admin\AppData\Local\Temp\ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe
"C:\Users\Admin\AppData\Local\Temp\ebf07e4c648bebfec66ac5c4e95b7341d9ccaa4fafa7b086ce5e42c6b6c92364.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3644
- 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:3336
- - 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:1456

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

Query Registry

1

T1012

System Information Discovery

2

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\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
2.0MB

MD5
ce0be6ed13cde742f3ff2a827e06e2df

SHA1
066cd3fee508bc2c97252d2cbbc4893d39143e0d

SHA256
d1dfa66aa8409c8cdd69cb849ca276c3ad0ae428933733164276c78ec47b127c

SHA512
fe9575cf2e7c9e6d798e37d65ce14ab81e9fe1a1e7912da74626336a99a372ac00e15b1a47e09e3973b9ad77652980c2245ee6630b2ce3edb8202020cce7ad2a

Download Submit
memory/1456-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1456-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1456-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1456-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1456-35-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1456-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1456-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3336-46-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3336-31-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3336-32-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3336-33-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3336-34-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3644-18-0x0000000074D42000-0x0000000074D43000-memory.dmp

Filesize
4KB

Download
memory/3644-30-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3644-19-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3644-0-0x0000000074D42000-0x0000000074D43000-memory.dmp

Filesize
4KB

Download
memory/3644-6-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3644-5-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3644-2-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3644-1-0x0000000074D40000-0x00000000752F1000-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