remcos | 086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547

Analysis

max time kernel
147s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 09:12

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General

Target

086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe
Size

1.4MB
MD5

7b2076180ad5fc50bd9c512140f078e9
SHA1

06a8d83eff0845752ea69727dd87933edd83512a
SHA256

086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547
SHA512

b6262d14a633a91e6f9d464a77c691a69c5541fd6fe1a5548ebbc2da7ac70cb897a33e262d4b40aa000ce9ab98d33a2c3e8eecc674d70b09c1b0a8c2348a570a
SSDEEP

12288:xIFt5+sbZHibAJqra3tWxemgZlyZAQfBDcNc+neA4PrxkBJ:xXsaAgkYerZlyZAucNcfVkb

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

162.251.122.76:7119

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-P2SX34
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
Remcos family
remcos
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

description pid process target process

PID 4712 created 3436 4712 086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe Explorer.EXE

description	pid	process	target process
PID 4712 created 3436	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	Explorer.EXE

Drops startup file 1 IoCs

Processes:

086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Default.vbs	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

description	pid	process	target process
PID 4712 set thread context of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe

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

Processes:

086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exeInstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

pid process

4712 086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

pid	process
4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

description	pid	process
Token: SeDebugPrivilege	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe
Token: SeDebugPrivilege	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe

description	pid	process	target process
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe
PID 4712 wrote to memory of 2852	4712	086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3436
- C:\Users\Admin\AppData\Local\Temp\086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.exe
  "C:\Users\Admin\AppData\Local\Temp\086975ecedb731304234d9352925cc95d27933ba94a70f9fb451d5fd907b2547.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:4712
- 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:2852

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/2852-1101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-1107-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4712-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/4712-1-0x00000000006B0000-0x0000000000822000-memory.dmp

Filesize
1.4MB

Download
memory/4712-2-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4712-3-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/4712-4-0x00000000065F0000-0x0000000006714000-memory.dmp

Filesize
1.1MB

Download
memory/4712-5-0x0000000006D00000-0x00000000072A4000-memory.dmp

Filesize
5.6MB

Download
memory/4712-6-0x0000000006850000-0x00000000068E2000-memory.dmp

Filesize
584KB

Download
memory/4712-36-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-34-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-44-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-54-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-52-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-50-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-48-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-46-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-43-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-40-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-38-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-32-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-28-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-26-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-24-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-23-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-20-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-18-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-14-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-12-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-10-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-8-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-30-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-16-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-7-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-64-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-70-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-68-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-66-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-62-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-60-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-58-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-56-0x00000000065F0000-0x000000000670E000-memory.dmp

Filesize
1.1MB

Download
memory/4712-1081-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4712-1082-0x0000000006960000-0x00000000069F6000-memory.dmp

Filesize
600KB

Download
memory/4712-1083-0x0000000006A30000-0x0000000006A7C000-memory.dmp

Filesize
304KB

Download
memory/4712-1087-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4712-1089-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/4712-1088-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4712-1090-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4712-1091-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4712-1092-0x00000000060D0000-0x0000000006124000-memory.dmp

Filesize
336KB

Download
memory/4712-1100-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download