remcos | d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1

General

Target

d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe
Size

1.7MB
MD5

625767ba7b66ed0d18c617d693d93157
SHA1

8d5823ea96c7587234014880c7901e97cea17d1a
SHA256

d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1
SHA512

7010ac5ee9980c2b49a2d203f63131b5fc204c231452118e0e42fd9ccb114c596435b0fd07d52813f5ab787e134cf1ae2218be91cda4f3ad258c849b390919a7
SSDEEP

24576:SD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjY0:Sp7E+QrFUBgq2V

Score

10^/10

remcos host 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

detects Windows exceutables potentially bypassing UAC using eventvwr.exe 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4348-32-0x0000000000400000-0x0000000000417000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/4348-35-0x0000000000400000-0x0000000000417000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/4348-36-0x0000000000400000-0x0000000000417000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/4348-40-0x0000000000400000-0x0000000000417000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/4348-39-0x0000000000400000-0x0000000000417000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/4348-42-0x0000000000400000-0x0000000000417000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/4348-46-0x0000000000400000-0x0000000000417000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

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

Processes:

d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe

Executes dropped EXE 2 IoCs

Processes:

sbietrcl.exesbietrcl.exe

pid process

1416 sbietrcl.exe
4348 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

pid	process
1416	sbietrcl.exe
4348	sbietrcl.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

sbietrcl.exe

description pid process target process

PID 1416 set thread context of 4348 1416 sbietrcl.exe sbietrcl.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 1416 set thread context of 4348	1416	sbietrcl.exe	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exesbietrcl.exe

pid	process
1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe
1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe
1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe
1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe
1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe
1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe
1416	sbietrcl.exe
1416	sbietrcl.exe
1416	sbietrcl.exe
1416	sbietrcl.exe
1416	sbietrcl.exe
1416	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exesbietrcl.exe

description	pid	process
Token: SeDebugPrivilege	1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe
Token: SeDebugPrivilege	1416	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sbietrcl.exe

pid process

4348 sbietrcl.exe

pid	process
4348	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exesbietrcl.exe

description	pid	process	target process
PID 1844 wrote to memory of 1416	1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe	sbietrcl.exe
PID 1844 wrote to memory of 1416	1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe	sbietrcl.exe
PID 1844 wrote to memory of 1416	1844	d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe	sbietrcl.exe
PID 1416 wrote to memory of 4348	1416	sbietrcl.exe	sbietrcl.exe
PID 1416 wrote to memory of 4348	1416	sbietrcl.exe	sbietrcl.exe
PID 1416 wrote to memory of 4348	1416	sbietrcl.exe	sbietrcl.exe
PID 1416 wrote to memory of 4348	1416	sbietrcl.exe	sbietrcl.exe
PID 1416 wrote to memory of 4348	1416	sbietrcl.exe	sbietrcl.exe
PID 1416 wrote to memory of 4348	1416	sbietrcl.exe	sbietrcl.exe
PID 1416 wrote to memory of 4348	1416	sbietrcl.exe	sbietrcl.exe
PID 1416 wrote to memory of 4348	1416	sbietrcl.exe	sbietrcl.exe
PID 1416 wrote to memory of 4348	1416	sbietrcl.exe	sbietrcl.exe

C:\Users\Admin\AppData\Local\Temp\d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe
"C:\Users\Admin\AppData\Local\Temp\d6d9bd64b35182791b01933dcfce5cac49204c9040fc19c64b7ecb7f88d215e1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4348

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
Filesize
1.7MB

MD5
bafb7945e7bf1279cad986ea0c6c2cf9

SHA1
4bfea2c312d7231c46a33aeccb11e7c1b54e8af3

SHA256
30acb4853e372637b753cef203727283eb385f91285b9f71f0a19fbe8f6e994e

SHA512
53030217ba9e835870de4460a0bf498fefd63709796be36ed1320c29b396bc0065136f325ceb143c6878609efce1fae8e4facdf4c2d61a3dfdf87c9d492f10f5

Download Submit
memory/1416-43-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1416-31-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1416-30-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1416-29-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1844-6-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1844-28-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1844-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/1844-5-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1844-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1844-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4348-32-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4348-35-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4348-36-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4348-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4348-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4348-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4348-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads