remcos | 341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
05-10-2022 10:38

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General

Target

341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe
Size

1.8MB
MD5

ed7fa6ec8aa0602b18ac40bf6abff7e6
SHA1

21f14e8533a1143001c0bc1a842cb4f9f4c69a8a
SHA256

341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4
SHA512

3388db86341f13ed30d40942df6b1844c6ebdbe7a360749edec9b23b87ca106ae90082c08648308fc9a9f78a4ffdd0c92855b090aeca52ddc00a903834d856e7
SSDEEP

12288:Lnjo5JZCGepoAgPBEudDgeOYnWZQzjFeM6DJOjB9sTTHyOx+mRfGrwmMeOS34MIy:6ZL0QpfnYQb6VOUROrwE

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

mam.mastercoa.co:37824

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-3FCFQU
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kbvypcxq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Eygho\\Kbvypcxq.exe\""	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe

description	pid	process	target process
PID 2744 set thread context of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

3436 powershell.exe
3436 powershell.exe
3436 powershell.exe

pid	process
3436	powershell.exe
3436	powershell.exe
3436	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exe341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe

description	pid	process
Token: SeDebugPrivilege	3436	powershell.exe
Token: SeDebugPrivilege	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

5048 InstallUtil.exe

pid	process
5048	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe

description	pid	process	target process
PID 2744 wrote to memory of 3436	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	powershell.exe
PID 2744 wrote to memory of 3436	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	powershell.exe
PID 2744 wrote to memory of 3436	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	powershell.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe
PID 2744 wrote to memory of 5048	2744	341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe
"C:\Users\Admin\AppData\Local\Temp\341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3436

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:5048

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2744-120-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-121-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-122-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-123-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-124-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-125-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-126-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-128-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-129-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-127-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-130-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-131-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-132-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-133-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-134-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-135-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-136-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-137-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-138-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-139-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-140-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-141-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-142-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-143-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-144-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-145-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-146-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-147-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-148-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-149-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-150-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-151-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-152-0x0000000000150000-0x0000000000316000-memory.dmp

Filesize
1.8MB

Download
memory/2744-153-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-154-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-155-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-156-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-157-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-158-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-159-0x0000000004C10000-0x0000000004CF2000-memory.dmp

Filesize
904KB

Download
memory/2744-160-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-161-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-162-0x0000000005480000-0x0000000005512000-memory.dmp

Filesize
584KB

Download
memory/2744-163-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-164-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-165-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-166-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-167-0x0000000005570000-0x0000000005592000-memory.dmp

Filesize
136KB

Download
memory/2744-168-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-169-0x00000000055A0000-0x00000000058F0000-memory.dmp

Filesize
3.3MB

Download
memory/2744-170-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-171-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-172-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-173-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-174-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-175-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-176-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-177-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-178-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-179-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-180-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-181-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-182-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-183-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-184-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-185-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-186-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-187-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3436-188-0x0000000000000000-mapping.dmp

Download
memory/3436-189-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3436-224-0x0000000004EC0000-0x0000000004EF6000-memory.dmp

Filesize
216KB

Download
memory/3436-229-0x0000000007650000-0x0000000007C78000-memory.dmp

Filesize
6.2MB

Download
memory/3436-248-0x0000000007CF0000-0x0000000007D56000-memory.dmp

Filesize
408KB

Download
memory/3436-249-0x0000000008080000-0x00000000080E6000-memory.dmp

Filesize
408KB

Download
memory/3436-252-0x0000000007E20000-0x0000000007E3C000-memory.dmp

Filesize
112KB

Download
memory/3436-253-0x00000000088A0000-0x00000000088EB000-memory.dmp

Filesize
300KB

Download
memory/3436-257-0x0000000008690000-0x0000000008706000-memory.dmp

Filesize
472KB

Download
memory/3436-268-0x0000000009EF0000-0x000000000A568000-memory.dmp

Filesize
6.5MB

Download
memory/3436-269-0x00000000094A0000-0x00000000094BA000-memory.dmp

Filesize
104KB

Download
memory/5048-277-0x00000000004327A4-mapping.dmp

Download
memory/5048-325-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5048-334-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download