remcos | 6699c01aeb3c522aa25ab28fb1c269321839f93c136aeae62f16ea4adc4b9aa6

General

Target

Inquiry-PA4810.exe
Size

1.3MB
MD5

2eb62b4422d2f4796766333f77439a46
SHA1

d05310de4d0e724a62936c44862f5a98692a4f50
SHA256

ac7c0664851b8be645cbc51bf2e88490fae12671619017b755547e95fd5601b4
SHA512

07c53505560e3faf40db0de3d45ad6cc9eaad8e525d2b64b227259dc2d11d4ab2586b8f428bf166d74738db87f176a1edeed21433a502b6e046e673e22873bf3
SSDEEP

24576:wtb20pkaCqT5TBWgNQ7ap1BUKFYsjuCKfPvnWVJyBZ6A:5Vg5tQ7afqKfy3f48z5

Score

10^/10

remcos mo discovery rat

Malware Config

Extracted

Family

remcos

Botnet

MO

C2

mo201.ddns.net:1088

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-R95UJZ
screenshot_crypt
true
screenshot_flag
true
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
1
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3048 set thread context of 2672	3048	Inquiry-PA4810.exe	31

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	Inquiry-PA4810.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3048	Inquiry-PA4810.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3048	Inquiry-PA4810.exe
3048	Inquiry-PA4810.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3048	Inquiry-PA4810.exe
3048	Inquiry-PA4810.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2672	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2672	3048	Inquiry-PA4810.exe	31
PID 3048 wrote to memory of 2672	3048	Inquiry-PA4810.exe	31
PID 3048 wrote to memory of 2672	3048	Inquiry-PA4810.exe	31
PID 3048 wrote to memory of 2672	3048	Inquiry-PA4810.exe	31
PID 3048 wrote to memory of 2672	3048	Inquiry-PA4810.exe	31

C:\Users\Admin\AppData\Local\Temp\Inquiry-PA4810.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry-PA4810.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\Inquiry-PA4810.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
1684083ea0b186a22e910286d39a99ae

SHA1
01733ab870d2389ff70363296ecd1e8380631c5a

SHA256
7dcdc5b7eaa82c3bce0b5dd554149c4f4592da090fb08b9d31f1c7da3dc49160

SHA512
6256514ce9f1feee1d15ecb2d03a0bec575c349de2398ac857cbd1966845a41755c6bcd1dd2bd78df1520408d93badf096f3757e17c6976f1040f459feb729d8

Download Submit
memory/2672-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3048-11-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download

Analysis

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