remcos | 53858f99f0a277f251b4cce6e954c788b70ae847a401a4fdf553f020a6115ee5

General

Target

HSBC TT PAYMENT INVOICE 210 PDF.exe
Size

1.5MB
MD5

c250c41b07ca450fb508cde9c3c82a0a
SHA1

f3fc3ea3a55474d927d76e77b8a010ccc5b01067
SHA256

53858f99f0a277f251b4cce6e954c788b70ae847a401a4fdf553f020a6115ee5
SHA512

d50793ef1b94a5456da3295bea9f690dc3c6c75662a2d36b2d60e1c37d4b56dadbd574cb3dd771be57a55db4cfe44fb782aebf99b2c52f5dbe8b42abfa74b633
SSDEEP

12288:1YtLBBtnm3n0He9DlpzIpk1qaxbxQxkT4/rJw8flwykcnM9lPuTO47QpilQP/dU3:v6YLLFJpUpvgdxpbObtJrv6rk54Kb/d

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.212.81.160:2404

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
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-8PXQFB
screenshot_crypt
false
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

Executes dropped EXE 1 IoCs

pid	Process
764	remcos.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	HSBC TT PAYMENT INVOICE 210 PDF.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-8PXQFB = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	HSBC TT PAYMENT INVOICE 210 PDF.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-8PXQFB = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	HSBC TT PAYMENT INVOICE 210 PDF.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2896 wrote to memory of 2756	2896	HSBC TT PAYMENT INVOICE 210 PDF.exe	31
PID 2756 wrote to memory of 764	2756	HSBC TT PAYMENT INVOICE 210 PDF.exe	32
PID 2756 wrote to memory of 764	2756	HSBC TT PAYMENT INVOICE 210 PDF.exe	32
PID 2756 wrote to memory of 764	2756	HSBC TT PAYMENT INVOICE 210 PDF.exe	32
PID 2756 wrote to memory of 764	2756	HSBC TT PAYMENT INVOICE 210 PDF.exe	32

C:\Users\Admin\AppData\Local\Temp\HSBC TT PAYMENT INVOICE 210 PDF.exe
"C:\Users\Admin\AppData\Local\Temp\HSBC TT PAYMENT INVOICE 210 PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\HSBC TT PAYMENT INVOICE 210 PDF.exe
  "{path}"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\ProgramData\Remcos\remcos.exe
    "C:\ProgramData\Remcos\remcos.exe"
    3⤵
    - Executes dropped EXE
    PID:764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Remcos\remcos.exe

Filesize
1.5MB

MD5
c250c41b07ca450fb508cde9c3c82a0a

SHA1
f3fc3ea3a55474d927d76e77b8a010ccc5b01067

SHA256
53858f99f0a277f251b4cce6e954c788b70ae847a401a4fdf553f020a6115ee5

SHA512
d50793ef1b94a5456da3295bea9f690dc3c6c75662a2d36b2d60e1c37d4b56dadbd574cb3dd771be57a55db4cfe44fb782aebf99b2c52f5dbe8b42abfa74b633

Download Submit
C:\ProgramData\Remcos\remcos.exe

Filesize
1.5MB

MD5
c250c41b07ca450fb508cde9c3c82a0a

SHA1
f3fc3ea3a55474d927d76e77b8a010ccc5b01067

SHA256
53858f99f0a277f251b4cce6e954c788b70ae847a401a4fdf553f020a6115ee5

SHA512
d50793ef1b94a5456da3295bea9f690dc3c6c75662a2d36b2d60e1c37d4b56dadbd574cb3dd771be57a55db4cfe44fb782aebf99b2c52f5dbe8b42abfa74b633

Download Submit
\ProgramData\Remcos\remcos.exe

Filesize
1.5MB

MD5
c250c41b07ca450fb508cde9c3c82a0a

SHA1
f3fc3ea3a55474d927d76e77b8a010ccc5b01067

SHA256
53858f99f0a277f251b4cce6e954c788b70ae847a401a4fdf553f020a6115ee5

SHA512
d50793ef1b94a5456da3295bea9f690dc3c6c75662a2d36b2d60e1c37d4b56dadbd574cb3dd771be57a55db4cfe44fb782aebf99b2c52f5dbe8b42abfa74b633

Download Submit
memory/764-38-0x0000000000DD0000-0x0000000000F50000-memory.dmp

Filesize
1.5MB

Download
memory/764-42-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

Filesize
256KB

Download
memory/764-41-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/764-40-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

Filesize
256KB

Download
memory/764-39-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/2756-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2896-0-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2896-27-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2896-7-0x0000000005FB0000-0x000000000603A000-memory.dmp

Filesize
552KB

Download
memory/2896-6-0x0000000005D70000-0x0000000005E3A000-memory.dmp

Filesize
808KB

Download
memory/2896-5-0x00000000003F0000-0x0000000000404000-memory.dmp

Filesize
80KB

Download
memory/2896-4-0x00000000050A0000-0x00000000050E0000-memory.dmp

Filesize
256KB

Download
memory/2896-3-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2896-2-0x00000000050A0000-0x00000000050E0000-memory.dmp

Filesize
256KB

Download
memory/2896-1-0x0000000000270000-0x00000000003F0000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads