remcos | d7631796f582362803abf8a0f9cfb59a3d4970e67f2248323065c749bb190102

General

Target

MV Ocean TRADER.exe
Size

1.3MB
MD5

419716325780389b9b31a3c0d914e49e
SHA1

a71575117858244b8b6dae11498e60a89d7b650e
SHA256

b953d2e60d60341636a97f694bb5c17fc7f27dc53ff35f4527a171ad452f31d3
SHA512

f7be7704b186e1c018f532ee8d9cd81cc6d99e5f76cfd9cb302ae78331b61196b762eebbc80a45a8945ef746f8bbb32607ac30690e081e2060398b2689d4d492
SSDEEP

24576:34lavt0LkLL9IMixoEgeakHbzVF+pqfdCuqxBrN+w1Nw1q9MmCS:Skwkn9IMHeakHbHdf6N+SNgaPCS

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.17.14:2404

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-KC5V8F
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2524 set thread context of 2528	2524	MV Ocean TRADER.exe	31

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2332	2524	WerFault.exe	30

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	MV Ocean TRADER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2524	MV Ocean TRADER.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2524	MV Ocean TRADER.exe
2524	MV Ocean TRADER.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2524	MV Ocean TRADER.exe
2524	MV Ocean TRADER.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2528	2524	MV Ocean TRADER.exe	31
PID 2524 wrote to memory of 2528	2524	MV Ocean TRADER.exe	31
PID 2524 wrote to memory of 2528	2524	MV Ocean TRADER.exe	31
PID 2524 wrote to memory of 2528	2524	MV Ocean TRADER.exe	31
PID 2524 wrote to memory of 2528	2524	MV Ocean TRADER.exe	31
PID 2524 wrote to memory of 2332	2524	MV Ocean TRADER.exe	32
PID 2524 wrote to memory of 2332	2524	MV Ocean TRADER.exe	32
PID 2524 wrote to memory of 2332	2524	MV Ocean TRADER.exe	32
PID 2524 wrote to memory of 2332	2524	MV Ocean TRADER.exe	32

C:\Users\Admin\AppData\Local\Temp\MV Ocean TRADER.exe
"C:\Users\Admin\AppData\Local\Temp\MV Ocean TRADER.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:2524
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\MV Ocean TRADER.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 420
  2⤵
  - Program crash
  PID:2332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2524-5-0x00000000002C0000-0x00000000002C4000-memory.dmp

Filesize
16KB

Download
memory/2528-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2528-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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