remcos | 188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 01:05

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General

Target

188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
Size

966KB
MD5

9ead88f3256dd9696c2edc3c82eea20a
SHA1

15d8a32c29a3e76c5b9dfa028027378635643d53
SHA256

188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8
SHA512

7592313feeb443521e67bca3a79577c375581029204519bfe00fd12e9ac254d6bdb34095ab8126311a8c163f59b4573e6c478b394d4fb55d1f8da01db256aa1d
SSDEEP

12288:RiV++tJhExqlvnKHBG6hZXE7gr0dtJM7zxhlbUqa93XNHhPVxLtwZ6tS1Zby9dt9:Rk++5+MneBnhIgr0GVb0Xb7ZM6tS1Zm

Score

10^/10

remcos remotehost discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

103.186.116.220:6565

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-9XV80Z
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

Detected Nirsoft tools 6 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/4812-36-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4812-38-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4812-42-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3084-37-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3084-35-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3084-44-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/3084-37-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3084-35-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3084-44-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3368 set thread context of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 2180 set thread context of 3084	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	92
PID 2180 set thread context of 1924	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	93
PID 2180 set thread context of 4812	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	94

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3500	1924	WerFault.exe	93

System Location Discovery: System Language Discovery 1 TTPs 4 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	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
3084	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
3084	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
4812	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
4812	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
3084	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
3084	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
Token: SeDebugPrivilege	4812	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1924	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 4440	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	82
PID 3368 wrote to memory of 4440	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	82
PID 3368 wrote to memory of 4440	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	82
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 3368 wrote to memory of 2180	3368	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	83
PID 2180 wrote to memory of 3084	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	92
PID 2180 wrote to memory of 3084	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	92
PID 2180 wrote to memory of 3084	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	92
PID 2180 wrote to memory of 3084	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	92
PID 2180 wrote to memory of 1924	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	93
PID 2180 wrote to memory of 1924	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	93
PID 2180 wrote to memory of 1924	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	93
PID 2180 wrote to memory of 1924	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	93
PID 2180 wrote to memory of 4812	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	94
PID 2180 wrote to memory of 4812	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	94
PID 2180 wrote to memory of 4812	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	94
PID 2180 wrote to memory of 4812	2180	188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe	94

C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
"C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
  "C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe"
  2⤵
  PID:4440
- C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
  "C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
    C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe /stext "C:\Users\Admin\AppData\Local\Temp\dijfwrvvba"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3084
- - C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
    C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe /stext "C:\Users\Admin\AppData\Local\Temp\okpqxkgwpixayd"
    3⤵
    - Suspicious use of UnmapMainImage
    PID:1924
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 12
      4⤵
      Program crash
      PID:3500
- - C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe
    C:\Users\Admin\AppData\Local\Temp\188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8.exe /stext "C:\Users\Admin\AppData\Local\Temp\qfciycqqdqpfjrwyh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1924 -ip 1924
1⤵
PID:708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dijfwrvvba

Filesize
4KB

MD5
16f4f7c4051f4bbdaa93a1ca80690065

SHA1
750cacbdd2d089a88119374560d6ac004954e90e

SHA256
6c4559e4413cccaeab73cad48ffd804506c95566e4d6a3f5ae64017a33ea6ec2

SHA512
cb0f68d393ad03a5c802a2978ff7b12e20911bac5e27200c2df16d5d3f63dfc2387c0cd1a9075d8e4ba9ae804a6b61225575e2f42b3ef024e863d5b172417964

Download Submit
memory/1924-31-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2180-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-49-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2180-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2180-50-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2180-46-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3084-35-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3084-37-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3084-28-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3084-44-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3084-30-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3368-4-0x00000000052B0000-0x00000000052BA000-memory.dmp

Filesize
40KB

Download
memory/3368-7-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

Filesize
4KB

Download
memory/3368-1-0x00000000007D0000-0x00000000008C8000-memory.dmp

Filesize
992KB

Download
memory/3368-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/3368-5-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/3368-6-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/3368-2-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/3368-18-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/3368-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

Filesize
4KB

Download
memory/3368-10-0x0000000009430000-0x00000000094CC000-memory.dmp

Filesize
624KB

Download
memory/3368-9-0x0000000006A20000-0x0000000006AE0000-memory.dmp

Filesize
768KB

Download
memory/3368-8-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/4812-36-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4812-34-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4812-38-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4812-42-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4812-32-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download