remcos | 3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566

General

Target

3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
Size

897KB
MD5

667060459d876845db2677ddc3d58488
SHA1

800f741383f4f4027d70a5942fe4b263b592eed5
SHA256

3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566
SHA512

c9fce460c1b2de0e53782df4a84dc6c1d28bc4b8b8850b0adcbf3f87e72d156654760ebb32e52582a7adc4e3d58526959b51cdfd72fa947b314749c23492fee7
SSDEEP

24576:vMy1GyhxutkS+BwTCEGh0BV0i7OqD4uTfV:LFhxutkdeCEGmB6uD4uD

Score

10^/10

remcos host discovery rat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

oyo.work.gd:3142

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
pdf
mouse_option
false
mutex
jkm-I9KENP
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
ios
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2472 set thread context of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.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	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1720	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30
PID 2472 wrote to memory of 1720	2472	3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe	30

C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
"C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
  "C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1720

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\pdf\logs.dat

Filesize
144B

MD5
c9f9c56db67c07eab071df1496a8062d

SHA1
941cd247307821a2a473cc321b6a995a47798c03

SHA256
65421125c0c2c8e4beb109fbec5cf47eba41f59390d670ae497fc6a53c006cdf

SHA512
9374e080524f410bb38eeece59b302054a5537d52808901f1431d906fb5bafaaf6fb11c36ea68e380cabf90c2c25abb45470d007607ae7d6af8ee72abfcc4f61

Download Submit
memory/1720-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1720-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1720-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2472-1-0x0000000000FE0000-0x00000000010C6000-memory.dmp

Filesize
920KB

Download
memory/2472-25-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2472-2-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2472-5-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2472-0-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download
memory/2472-6-0x0000000004D40000-0x0000000004E00000-memory.dmp

Filesize
768KB

Download
memory/2472-4-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download
memory/2472-3-0x00000000006E0000-0x00000000006F2000-memory.dmp

Filesize
72KB

Download

Analysis

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