remcos | b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d

General

Target

b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
Size

1.0MB
MD5

c0a2a67a65ca2de4bafa5b8d5aee0527
SHA1

db59b429d52a174f285bca3e648da12ce14e8eaa
SHA256

b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d
SHA512

ad7d436b3bef3aaa20dfb0cb8c904cf5fa0702360900bb9d0c747c49ab3d36c6bcb56d9daa39218b4f2326421f5ee1eb015daa4a92755cba5d6f9ee94492559b
SSDEEP

24576:ZvlIJSNI0eOcZdrQrJF3kkR82WkaiX3BZW9ngnFCDAcNep:pleaIi4QrWka2jXn/Z

Score

10^/10

remcos 76364 execution rat

Malware Config

Extracted

Family

remcos

Botnet

76364

C2

103.150.8.12:5689

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-FF0K7G
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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 21 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2708-23-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-21-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-19-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-17-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-25-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-30-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-29-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-28-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-32-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-35-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-36-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-37-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-38-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-39-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-40-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-41-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-42-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-43-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-44-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-45-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/2708-46-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1408 powershell.exe

pid	process
1408	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe

description	pid	process	target process
PID 2236 set thread context of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2668 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exepowershell.exe

pid process

2236 b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
1408 powershell.exe

pid	process
2668	schtasks.exe

pid	process
2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
1408	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
Token: SeDebugPrivilege	1408	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe

C:\Users\Admin\AppData\Local\Temp\b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
"C:\Users\Admin\AppData\Local\Temp\b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eulqnm.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1408
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eulqnm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp45E6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2668
- C:\Users\Admin\AppData\Local\Temp\b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
  "C:\Users\Admin\AppData\Local\Temp\b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe"
  2⤵
  PID:2716
- C:\Users\Admin\AppData\Local\Temp\b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
  "C:\Users\Admin\AppData\Local\Temp\b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe"
  2⤵
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp45E6.tmp

Filesize
1KB

MD5
433304efdfad11b4bbc13d834a1fda21

SHA1
a3eb84863faa71385235ba5e8f9534a77a1b0a69

SHA256
d0872d31d0132194536e816f07a0dd0d2cea3e94b33615a57af32e1932abebf3

SHA512
c846d0d50caf163f10fce77d11fcee7505b3769164057a68b1ec3954eb241c8b9bac777de02b2ad38e3997016e023cbc053ee02978da45e417c59b10e3b624e8

Download Submit
memory/2236-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2236-1-0x0000000001070000-0x000000000117E000-memory.dmp

Filesize
1.1MB

Download
memory/2236-2-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2236-3-0x00000000002C0000-0x00000000002DE000-memory.dmp

Filesize
120KB

Download
memory/2236-4-0x00000000002F0000-0x0000000000300000-memory.dmp

Filesize
64KB

Download
memory/2236-5-0x0000000005480000-0x000000000553E000-memory.dmp

Filesize
760KB

Download
memory/2236-31-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2708-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2708-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

description	pid	process	target process
PID 2236 wrote to memory of 1408	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	powershell.exe
PID 2236 wrote to memory of 1408	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	powershell.exe
PID 2236 wrote to memory of 1408	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	powershell.exe
PID 2236 wrote to memory of 1408	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	powershell.exe
PID 2236 wrote to memory of 2668	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	schtasks.exe
PID 2236 wrote to memory of 2668	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	schtasks.exe
PID 2236 wrote to memory of 2668	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	schtasks.exe
PID 2236 wrote to memory of 2668	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	schtasks.exe
PID 2236 wrote to memory of 2716	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2716	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2716	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2716	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
PID 2236 wrote to memory of 2708	2236	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads