remcos | 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b

General

Target

42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
Size

687KB
MD5

f8b7ccfaa25ad7547501496c248c178e
SHA1

aae29f7ef62d5329c27c2040ed573d0ddc9a522e
SHA256

42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b
SHA512

cbfec11ba74137df8a56d8c6ca74a04f3773d52c097ad78a5413733ad8de540ce8f0be54a9dcf2a708bbb56a0daea69f247ba7255485de2406ed310b07d91e44

Score

10^/10

remcos jd rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

jd

C2

37.120.210.219:3398

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
vbmcdsb
keylog_path
%AppData%
mouse_option
false
mutex
remcos_enhatfsgar
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

description	pid	process	target process
PID 2720 set thread context of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

5084 schtasks.exe

pid	process
5084	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

pid	process
2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

description pid process

Token: SeDebugPrivilege 2720 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

pid process

1048 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

description	pid	process
Token: SeDebugPrivilege	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

pid	process
1048	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

C:\Users\Admin\AppData\Local\Temp\42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
"C:\Users\Admin\AppData\Local\Temp\42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ohnfNTVBamkg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8741.tmp"
2⤵
- Creates scheduled task(s)
PID:5084

C:\Users\Admin\AppData\Local\Temp\42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
"{path}"
2⤵
PID:4412

C:\Users\Admin\AppData\Local\Temp\42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
"{path}"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1048

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8741.tmp
Filesize
1KB

MD5
b5c32e17bdd48757467442aa08806f22

SHA1
0432c8467537e56194a2a2df69d9751aabe36dff

SHA256
3e1cdd324fbc014e5b2a0da81822b78a86527713847b8a8a9fe9a140dd80b635

SHA512
4d89059ccf8b3d34c5994dec131b595e940dd49fa77466e3f5fe277c7d2a5a86f5147ad2b9258ebaef17385a1997357f7063c23d3695b4dc0f69aadf91c23130

Download Submit
memory/1048-139-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1048-138-0x0000000000000000-mapping.dmp

Download
memory/1048-141-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1048-142-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1048-143-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2720-132-0x0000000004C10000-0x0000000004CA2000-memory.dmp

Filesize
584KB

Download
memory/2720-133-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

Filesize
624KB

Download
memory/2720-134-0x0000000004C00000-0x0000000004C0A000-memory.dmp

Filesize
40KB

Download
memory/2720-131-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/2720-130-0x00000000001C0000-0x0000000000270000-memory.dmp

Filesize
704KB

Download
memory/4412-137-0x0000000000000000-mapping.dmp

Download
memory/5084-135-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 2720 wrote to memory of 5084	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	schtasks.exe
PID 2720 wrote to memory of 5084	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	schtasks.exe
PID 2720 wrote to memory of 5084	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	schtasks.exe
PID 2720 wrote to memory of 4412	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 4412	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 4412	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
PID 2720 wrote to memory of 1048	2720	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe	42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads