remcos | 8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 04:16

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General

Target

8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe
Size

982KB
MD5

d46127b513eaa0e4e1e4d2ab89fe2b4a
SHA1

3478c45ea7e943ac5656186a13a5829256117232
SHA256

8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118
SHA512

2086d69e11d20dd489abed169722fe0b6b2e864d45e2356e703f8d593c0f992beada47a646043af361db59dc514623bbe87746a97e79a4130aa55dc7f9d47278
SSDEEP

24576:QMj4sXd+Zh5lLfwDpuRR7BYutqtoQsFC/Z+Y0yPPov:ssXd+hBYsxqoe0NE

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

192.210.150.26:8787

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-R1T905
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1820 set thread context of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2140	Powershell.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2140	Powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	Powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2852	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2140	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	29
PID 1820 wrote to memory of 2140	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	29
PID 1820 wrote to memory of 2140	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	29
PID 1820 wrote to memory of 2140	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	29
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31
PID 1820 wrote to memory of 2852	1820	8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe	31

C:\Users\Admin\AppData\Local\Temp\8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe
"C:\Users\Admin\AppData\Local\Temp\8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2140
- C:\Users\Admin\AppData\Local\Temp\8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe
  "C:\Users\Admin\AppData\Local\Temp\8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
f8848d3acb9c868c7f9ebbd1a5350a3e

SHA1
f43cc002c8d36446266aa535ae9218f78dd3b461

SHA256
bf25e23566be101a9068f4a4775d411e00a785a4dadb50098f2d7d559af1ff6a

SHA512
c38cfd357f166ad6902d65a7b0b22e8172992805fb005f2a94ed6ed3371f79cccd75cd03ce5b1d13c387df90f11da1a1d799ae7a26ef4f20d33ee529399fb315

Download Submit
memory/1820-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/1820-1-0x0000000000820000-0x000000000091C000-memory.dmp

Filesize
1008KB

Download
memory/1820-2-0x0000000002420000-0x00000000024CE000-memory.dmp

Filesize
696KB

Download
memory/1820-3-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/1820-11-0x0000000000470000-0x0000000000478000-memory.dmp

Filesize
32KB

Download
memory/1820-31-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/1820-33-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-6-0x000000006FB01000-0x000000006FB02000-memory.dmp

Filesize
4KB

Download
memory/2140-7-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2140-8-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2140-9-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2140-10-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2140-32-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2852-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-83-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-84-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-85-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-86-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-88-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-89-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2852-90-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download