remcos | 079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 19:24

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General

Target

079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
Size

1.1MB
MD5

204ecf68817cdad4381e1d93f789e633
SHA1

a69df4647e9fb745bb521476ebaccab84a864c26
SHA256

079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3
SHA512

a9a1eb678a7f3cb6cf63a8968b2a662ec6f25957deb4671f960e52af342ab064c8c7cd5aac7f527a5abe8164551ba3fc74a85f7b7cf5d17fa45ab0f4c89cd5a8
SSDEEP

24576:Zq0qTzmNIUbnl/RyC27CPJCo4eUxTX6kRtMj3HayowUqmz2:Zq1m54b2xd4HX/tMzayKqmz2

Score

10^/10

remcos remotehost collection discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

45.88.186.149:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-T6LQRL
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
Remcos family
remcos

Detected Nirsoft tools 7 IoCs

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

resource	yara_rule
behavioral2/memory/1676-40-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2940-37-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4672-36-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4672-33-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2940-32-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1676-43-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4672-45-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/1676-40-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/1676-43-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4672-36-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4672-33-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4672-45-0x0000000000400000-0x0000000000478000-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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 956 set thread context of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 4948 set thread context of 4672	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	102
PID 4948 set thread context of 1676	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	105
PID 4948 set thread context of 2940	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	106

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	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
4672	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
4672	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
2940	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
2940	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
4672	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
4672	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
Token: SeDebugPrivilege	2940	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 1908	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	99
PID 956 wrote to memory of 1908	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	99
PID 956 wrote to memory of 1908	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	99
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 956 wrote to memory of 4948	956	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	100
PID 4948 wrote to memory of 4672	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	102
PID 4948 wrote to memory of 4672	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	102
PID 4948 wrote to memory of 4672	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	102
PID 4948 wrote to memory of 4672	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	102
PID 4948 wrote to memory of 3684	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	103
PID 4948 wrote to memory of 3684	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	103
PID 4948 wrote to memory of 3684	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	103
PID 4948 wrote to memory of 1988	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	104
PID 4948 wrote to memory of 1988	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	104
PID 4948 wrote to memory of 1988	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	104
PID 4948 wrote to memory of 1676	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	105
PID 4948 wrote to memory of 1676	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	105
PID 4948 wrote to memory of 1676	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	105
PID 4948 wrote to memory of 1676	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	105
PID 4948 wrote to memory of 2940	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	106
PID 4948 wrote to memory of 2940	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	106
PID 4948 wrote to memory of 2940	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	106
PID 4948 wrote to memory of 2940	4948	079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe	106

C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
"C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:956
- C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
  "C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe"
  2⤵
  PID:1908
- C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
  "C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
    C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe /stext "C:\Users\Admin\AppData\Local\Temp\qsfyj"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4672
- - C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
    C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe /stext "C:\Users\Admin\AppData\Local\Temp\bmkjckje"
    3⤵
    PID:3684
- - C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
    C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe /stext "C:\Users\Admin\AppData\Local\Temp\bmkjckje"
    3⤵
    PID:1988
- - C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
    C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe /stext "C:\Users\Admin\AppData\Local\Temp\bmkjckje"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:1676
- - C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe
    C:\Users\Admin\AppData\Local\Temp\079051d3a228e1c41f1f7402b7a93af68965a8de835168bc57360ab6f772f8c3.exe /stext "C:\Users\Admin\AppData\Local\Temp\dpxbdduxxhj"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2940

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\qsfyj

Filesize
4KB

MD5
16dfb23eaa7972c59c36fcbc0946093b

SHA1
1e9e3ff83a05131575f67e202d352709205f20f8

SHA256
36c49c94327c8cadcad4c0d2b3a8f5162fc7bb86624923484476c5f7b960bc4c

SHA512
a8b38b5e7bf886b78c5c7f01234b44647a252d4dfbcc06c99b863f8e160e3cfc151b2a83b8b49e09d13e8547419467da4bffbb8dee5fc6740032eb7c839d89dc

Download Submit
memory/956-8-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/956-5-0x0000000005080000-0x000000000508A000-memory.dmp

Filesize
40KB

Download
memory/956-9-0x0000000005640000-0x000000000565C000-memory.dmp

Filesize
112KB

Download
memory/956-4-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/956-10-0x000000000A9A0000-0x000000000AA60000-memory.dmp

Filesize
768KB

Download
memory/956-6-0x0000000005380000-0x000000000541C000-memory.dmp

Filesize
624KB

Download
memory/956-7-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/956-1-0x0000000000580000-0x00000000006A0000-memory.dmp

Filesize
1.1MB

Download
memory/956-3-0x00000000050B0000-0x0000000005142000-memory.dmp

Filesize
584KB

Download
memory/956-2-0x0000000005660000-0x0000000005C04000-memory.dmp

Filesize
5.6MB

Download
memory/956-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/956-18-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/1676-28-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1676-40-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1676-38-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1676-35-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1676-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2940-31-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2940-37-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2940-29-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2940-32-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4672-45-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4672-25-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4672-27-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4672-33-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4672-36-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4948-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-47-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4948-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-50-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4948-51-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4948-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4948-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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memory/4948-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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memory/4948-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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memory/4948-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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memory/4948-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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memory/4948-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

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