remcos | 58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a

General

Target

58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
Size

385KB
MD5

e8fcccc14df4c8fbde4223b16fdb4e63
SHA1

6bb4317b855e9f07c9f63b33455eeaa7335bfade
SHA256

58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a
SHA512

8cb6aab343972ef7384c6e8e4d2418e168c35e448a4e1183d650776762c407239d265838fe1c03bd10cf4415238c4e7b08ed9a9d95a62f70bcc4f50561b01c1c

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Version

2.0.5 Pro

Botnet

RemoteHost

C2

79.172.242.28:2404

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-6PPTSU
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
take_screenshot_title

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Executes dropped EXE 1 IoCs

Processes:

svhost.exe

pid process

4276 svhost.exe

pid	process
4276	svhost.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exesvhost.exe

description	pid	process	target process
PID 4232 set thread context of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4276 set thread context of 4420	4276	svhost.exe	iexplore.exe

Drops file in Windows directory 3 IoCs

Processes:

58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
File created	C:\Windows\assembly\Desktop.ini	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe

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

System Information Discovery
T1082
NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\8778\name.exe:Zone.Identifier cmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\8778\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe

pid	process
4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe

description	pid	process
Token: SeDebugPrivilege	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
Token: 33	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
Token: SeIncBasePriorityPrivilege	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.execmd.exesvhost.exe

description	pid	process	target process
PID 4232 wrote to memory of 3532	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	cmd.exe
PID 4232 wrote to memory of 3532	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	cmd.exe
PID 4232 wrote to memory of 3532	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	cmd.exe
PID 3532 wrote to memory of 4204	3532	cmd.exe	reg.exe
PID 3532 wrote to memory of 4204	3532	cmd.exe	reg.exe
PID 3532 wrote to memory of 4204	3532	cmd.exe	reg.exe
PID 4232 wrote to memory of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4232 wrote to memory of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4232 wrote to memory of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4232 wrote to memory of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4232 wrote to memory of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4232 wrote to memory of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4232 wrote to memory of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4232 wrote to memory of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4232 wrote to memory of 4276	4232	58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe	svhost.exe
PID 4276 wrote to memory of 4420	4276	svhost.exe	iexplore.exe
PID 4276 wrote to memory of 4420	4276	svhost.exe	iexplore.exe
PID 4276 wrote to memory of 4420	4276	svhost.exe	iexplore.exe
PID 4276 wrote to memory of 4420	4276	svhost.exe	iexplore.exe
PID 4276 wrote to memory of 4420	4276	svhost.exe	iexplore.exe
PID 4276 wrote to memory of 4420	4276	svhost.exe	iexplore.exe
PID 4276 wrote to memory of 4420	4276	svhost.exe	iexplore.exe
PID 4276 wrote to memory of 4420	4276	svhost.exe	iexplore.exe
PID 4276 wrote to memory of 4420	4276	svhost.exe	iexplore.exe

C:\Users\Admin\AppData\Local\Temp\58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe
"C:\Users\Admin\AppData\Local\Temp\58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4232

C:\Windows\SysWOW64\cmd.exe
"cmd.exe"
2⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:3532

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\8778\name.exe.lnk" /f
3⤵
PID:4204

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4276

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
PID:4420

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\8778\name.exe
Filesize
385KB

MD5
e8fcccc14df4c8fbde4223b16fdb4e63

SHA1
6bb4317b855e9f07c9f63b33455eeaa7335bfade

SHA256
58cb07fecced83dfe6a4999921297ad94248f47935568913aa2a1a60de1d330a

SHA512
8cb6aab343972ef7384c6e8e4d2418e168c35e448a4e1183d650776762c407239d265838fe1c03bd10cf4415238c4e7b08ed9a9d95a62f70bcc4f50561b01c1c

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
1.6MB

MD5
1c9ff7df71493896054a91bee0322ebf

SHA1
38f1c85965d58b910d8e8381b6b1099d5dfcbfe4

SHA256
e8b5da3394bbdd7868122ffd88d9d06afe31bd69d656857910d2f820c32d0efa

SHA512
aa0def62b663743e6c3c022182b35cff33cb9abf08453d5098f3c5d32b2a8b0cd1cc5de64b93e39680c1d1396fef1fd50b642ca3ea4ba1f6d1078321d96916ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
1.6MB

MD5
1c9ff7df71493896054a91bee0322ebf

SHA1
38f1c85965d58b910d8e8381b6b1099d5dfcbfe4

SHA256
e8b5da3394bbdd7868122ffd88d9d06afe31bd69d656857910d2f820c32d0efa

SHA512
aa0def62b663743e6c3c022182b35cff33cb9abf08453d5098f3c5d32b2a8b0cd1cc5de64b93e39680c1d1396fef1fd50b642ca3ea4ba1f6d1078321d96916ab

Download Submit
memory/3532-133-0x0000000000000000-mapping.dmp

Download
memory/4204-134-0x0000000000000000-mapping.dmp

Download
memory/4232-132-0x0000000075290000-0x0000000075841000-memory.dmp

Filesize
5.7MB

Download
memory/4232-144-0x0000000075290000-0x0000000075841000-memory.dmp

Filesize
5.7MB

Download
memory/4276-136-0x0000000000000000-mapping.dmp

Download
memory/4276-137-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4276-141-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4276-143-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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