remcos | 4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb

Analysis

max time kernel
147s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 12:08

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General

Target

4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe
Size

105KB
MD5

c1d1071f57a4d317161b7a07368929b9
SHA1

32261554fb553eba8819f002984f63c1cffe61dd
SHA256

4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb
SHA512

5d9e82847a2009fcef424924eccb036f48f7dd5b468c3e8f7224589176419d5eefda423d106880244876dde5d41c71ff6a1afe66642b31e09a9f10382b027193
SSDEEP

3072:WeeD62hKB3/uhdPLMXp168VPRL1+f4vXlFaLt4qTuu:WjD62hKB3CdP4XH6gp1raLF

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:

4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

description pid process target process

PID 4632 created 3492 4632 4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe Explorer.EXE

description	pid	process	target process
PID 4632 created 3492	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	Explorer.EXE

Drops startup file 1 IoCs

Processes:

4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Attributes.vbs	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

description	pid	process	target process
PID 4632 set thread context of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.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:

4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exeInstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

pid process

4632 4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

pid	process
4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

description	pid	process
Token: SeDebugPrivilege	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe
Token: SeDebugPrivilege	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe

description	pid	process	target process
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe
PID 4632 wrote to memory of 2776	4632	4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3492
- C:\Users\Admin\AppData\Local\Temp\4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.exe
  "C:\Users\Admin\AppData\Local\Temp\4069fe73989da363a257157a696a9290080cd87c1c4f63dac63fc2edf0a73eeb.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:4632
- 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:2776

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/2776-1101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2776-1108-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4632-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/4632-1-0x0000000000EF0000-0x0000000000F10000-memory.dmp

Filesize
128KB

Download
memory/4632-2-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-3-0x0000000005870000-0x0000000005876000-memory.dmp

Filesize
24KB

Download
memory/4632-4-0x0000000006CC0000-0x0000000006DE4000-memory.dmp

Filesize
1.1MB

Download
memory/4632-20-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-28-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-54-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-68-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-66-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-64-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-62-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-60-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-58-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-56-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-52-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-50-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-48-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-44-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-42-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-40-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-38-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-36-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-32-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-30-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-26-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-24-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-22-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-18-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-16-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-14-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-12-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-8-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-46-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-6-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-34-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-5-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-10-0x0000000006CC0000-0x0000000006DDE000-memory.dmp

Filesize
1.1MB

Download
memory/4632-1079-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-1080-0x0000000007010000-0x00000000070A6000-memory.dmp

Filesize
600KB

Download
memory/4632-1081-0x0000000006EF0000-0x0000000006F3C000-memory.dmp

Filesize
304KB

Download
memory/4632-1083-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/4632-1086-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-1088-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-1087-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-1089-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-1090-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-1091-0x0000000007980000-0x0000000007F24000-memory.dmp

Filesize
5.6MB

Download
memory/4632-1092-0x0000000006810000-0x0000000006864000-memory.dmp

Filesize
336KB

Download
memory/4632-1095-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-1102-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download