remcos | fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/10/2024, 02:31

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General

Target

fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe
Size

102KB
MD5

f5c8a16c031b1f804da79f52ad257601
SHA1

2885f01ecfadaec8114150d5a267c8732a87fe75
SHA256

fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da
SHA512

bd85a68f20f6949ccd026a197d097378218301dbf500327986fab73d5f1b32d9c0cf039861f59bdacbaa9ec7efdad39bccb69bb05796ac51619a4b5590a53e70
SSDEEP

1536:qauuhy5iRgCWcDE0xtSH0JKLcGSFHBWAxEjc+z:qaTuUboMuiK6EAmjc+z

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

204.10.160.230:7983

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-O7QOC3
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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1364 created 3144	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	54

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Salt.vbs	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1364 set thread context of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97

System Location Discovery: System Language Discovery 1 TTPs 2 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	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe
Token: SeDebugPrivilege	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97
PID 1364 wrote to memory of 4248	1364	fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3144
- C:\Users\Admin\AppData\Local\Temp\fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe
  "C:\Users\Admin\AppData\Local\Temp\fceb84f518a4cd354bb4ca4e4d061c9aa00f3baa38e0923b52b14d7c146e06da.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1364
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1364-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1364-1-0x0000000000D20000-0x0000000000D40000-memory.dmp

Filesize
128KB

Download
memory/1364-2-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1364-3-0x00000000054F0000-0x00000000054F6000-memory.dmp

Filesize
24KB

Download
memory/1364-4-0x0000000006870000-0x0000000006994000-memory.dmp

Filesize
1.1MB

Download
memory/1364-5-0x0000000006F40000-0x00000000074E4000-memory.dmp

Filesize
5.6MB

Download
memory/1364-6-0x0000000006A40000-0x0000000006AD2000-memory.dmp

Filesize
584KB

Download
memory/1364-7-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-14-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-42-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-46-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-44-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-70-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-68-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-66-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-64-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-62-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-60-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-58-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-56-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-54-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-52-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-50-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-48-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-40-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-36-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-38-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-34-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-32-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-30-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-28-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-26-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-24-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-22-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-20-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-16-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-12-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-10-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-8-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-18-0x0000000006870000-0x000000000698D000-memory.dmp

Filesize
1.1MB

Download
memory/1364-1081-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1364-1082-0x0000000006BA0000-0x0000000006C36000-memory.dmp

Filesize
600KB

Download
memory/1364-1083-0x0000000006CE0000-0x0000000006D2C000-memory.dmp

Filesize
304KB

Download
memory/1364-1087-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1364-1089-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1364-1088-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1364-1090-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1364-1091-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1364-1092-0x0000000006D30000-0x0000000006D84000-memory.dmp

Filesize
336KB

Download
memory/1364-1102-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1364-1101-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4248-1100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4248-1103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download