remcos | 962c0910bcd12efcb23e7a7d50574e7f2698bac8484a459f1215e47e0ea832c7

General

Target

PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe
Size

4.5MB
MD5

6232a988e3d27dac3a691f1f439d05bc
SHA1

2c005a4651a1faee5401a5e1e566245e0fdb8d87
SHA256

0c4620df9290817f179192d7e02feeeddf9c05c4ee51fb0c86afb247ffffb10d
SHA512

083be04ee2378f6aca4c3f528b4ff53d27964f50dec2c3df0f1f3f2108e1b5b610c80bb5fed080291c4083b1e794f2ef7ffd7e1ed5b0d6b4309e509bdf00b09b
SSDEEP

49152:jyVdmxB5GSL4m35GyJZYMrbcDifMb2+X5KoQWZxaMxrVYTEHv0SkW4lLFQoMExc0:jybbOGyJZYMrb7fMb2c8oJZh4BWCMEXX

Score

10^/10

remcos voltarger discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Voltarger

C2

dfgdfghghfhfh.con-ip.com:1665

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-I3REIW
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\SpeedDesignerEditor = "C:\\Users\\Admin\\Music\\SpeedDesignerUpdater\\SpeedVideo.exe"	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe

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	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2432	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2432	2068	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe	31
PID 2068 wrote to memory of 2432	2068	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe	31
PID 2068 wrote to memory of 2432	2068	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe	31
PID 2068 wrote to memory of 2432	2068	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe	31
PID 2068 wrote to memory of 2432	2068	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe	31
PID 2068 wrote to memory of 2432	2068	PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe	31

C:\Users\Admin\AppData\Local\Temp\PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe
"C:\Users\Admin\AppData\Local\Temp\PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe
  "C:\Users\Admin\AppData\Local\Temp\PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2432

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 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
d94e01e3561adff5cf4e4313485a635d

SHA1
ad263cadf6fc112aad25718d2dcbbb384c68a45e

SHA256
5cfb3006be1d5995bcd46f43c7c0630e54e99290a04d1b80fffd73b436a37352

SHA512
6a2d2018405894136fdcdec9c38ddd371f87d066dc505d9617a3d6f6eca137bb403be0218a41982137b4119e007dd64547a3de0b2ad68601390a0814306a51ba

Download Submit
memory/2068-23-0x0000000000619000-0x0000000000631000-memory.dmp

Filesize
96KB

Download
memory/2068-13-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2068-0-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2068-11-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2068-2-0x0000000000619000-0x0000000000631000-memory.dmp

Filesize
96KB

Download
memory/2068-1-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2068-12-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2068-4-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2068-5-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2432-70-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-30-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-19-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-20-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2432-16-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-6-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-24-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2432-25-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-26-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-31-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-15-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-10-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-38-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-39-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-47-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-46-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-54-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-55-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-62-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-63-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2432-21-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads