remcos | 188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 09:22

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General

Target

9ead88f3256dd9696c2edc3c82eea20a.exe
Size

966KB
MD5

9ead88f3256dd9696c2edc3c82eea20a
SHA1

15d8a32c29a3e76c5b9dfa028027378635643d53
SHA256

188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8
SHA512

7592313feeb443521e67bca3a79577c375581029204519bfe00fd12e9ac254d6bdb34095ab8126311a8c163f59b4573e6c478b394d4fb55d1f8da01db256aa1d
SSDEEP

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

Score

10^/10

remcos remotehost collection 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/1756-32-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1756-37-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4776-36-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3104-35-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3104-31-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3104-42-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/1756-32-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/1756-37-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/3104-35-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3104-31-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3104-42-0x0000000000400000-0x0000000000478000-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

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	9ead88f3256dd9696c2edc3c82eea20a.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 1276 set thread context of 3104	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	88
PID 1276 set thread context of 1756	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	90
PID 1276 set thread context of 4776	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	91

System Location Discovery: System Language Discovery 1 TTPs 5 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	9ead88f3256dd9696c2edc3c82eea20a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ead88f3256dd9696c2edc3c82eea20a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ead88f3256dd9696c2edc3c82eea20a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ead88f3256dd9696c2edc3c82eea20a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ead88f3256dd9696c2edc3c82eea20a.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3104	9ead88f3256dd9696c2edc3c82eea20a.exe
3104	9ead88f3256dd9696c2edc3c82eea20a.exe
4776	9ead88f3256dd9696c2edc3c82eea20a.exe
4776	9ead88f3256dd9696c2edc3c82eea20a.exe
3104	9ead88f3256dd9696c2edc3c82eea20a.exe
3104	9ead88f3256dd9696c2edc3c82eea20a.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
1276	9ead88f3256dd9696c2edc3c82eea20a.exe
1276	9ead88f3256dd9696c2edc3c82eea20a.exe
1276	9ead88f3256dd9696c2edc3c82eea20a.exe
1276	9ead88f3256dd9696c2edc3c82eea20a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	9ead88f3256dd9696c2edc3c82eea20a.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 2124 wrote to memory of 1276	2124	9ead88f3256dd9696c2edc3c82eea20a.exe	86
PID 1276 wrote to memory of 3104	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	88
PID 1276 wrote to memory of 3104	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	88
PID 1276 wrote to memory of 3104	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	88
PID 1276 wrote to memory of 3104	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	88
PID 1276 wrote to memory of 2748	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	89
PID 1276 wrote to memory of 2748	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	89
PID 1276 wrote to memory of 2748	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	89
PID 1276 wrote to memory of 1756	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	90
PID 1276 wrote to memory of 1756	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	90
PID 1276 wrote to memory of 1756	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	90
PID 1276 wrote to memory of 1756	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	90
PID 1276 wrote to memory of 4776	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	91
PID 1276 wrote to memory of 4776	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	91
PID 1276 wrote to memory of 4776	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	91
PID 1276 wrote to memory of 4776	1276	9ead88f3256dd9696c2edc3c82eea20a.exe	91

C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
"C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
  "C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1276
- - C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
    C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\qcljdibnnhegl"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3104
- - C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
    C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\bwycdsmobpwtwelk"
    3⤵
    PID:2748
- - C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
    C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\bwycdsmobpwtwelk"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:1756
- - C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
    C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\lyduelxipxoyykhobao"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4776

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

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
4KB

MD5
15e28d82a9ee8a45c10bcf671fef0362

SHA1
2b126b086a1191cb8b4d444e87781358d51af3a4

SHA256
012fbb5f15d52a9560cf0e77fd36837ec2c56aff7a989d31c3d40d4f6df6cf9d

SHA512
3dd749523858a54e7e5ededba47d54715c9d5663dd0bd609363de7442436d1f0e924c5e4706e3ac413b79ddb6a18c796cc0ad166b4c87a3a7a6b009ba77fee82

Download Submit
memory/1276-44-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1276-48-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1276-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1276-47-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1276-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1756-30-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1756-28-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1756-32-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1756-37-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2124-1-0x0000000000760000-0x0000000000858000-memory.dmp

Filesize
992KB

Download
memory/2124-5-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/2124-4-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/2124-6-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/2124-10-0x0000000009400000-0x000000000949C000-memory.dmp

Filesize
624KB

Download
memory/2124-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/2124-3-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/2124-7-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/2124-8-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/2124-2-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/2124-9-0x0000000006CF0000-0x0000000006DB0000-memory.dmp

Filesize
768KB

Download
memory/2124-17-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3104-25-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3104-35-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3104-42-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3104-31-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3104-27-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4776-36-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4776-33-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4776-34-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download