remcos | 457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-09-2024 08:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
Size

1012KB
MD5

33d3fb0c595a5496d07426e96c998b89
SHA1

9d93cc2f830e3d53ed9221c5ae3c46fbdf74ba7f
SHA256

457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576
SHA512

cf2f3f2313fdc4a288b3f6de3a701d377e319fabc4f83d091b3652674b2d884763ff6b2e7fcae3ffbe6df3edcd9d8d4637a2bf0a3dcd7e4eba6600902f8322ff
SSDEEP

24576:sll15H9LkHDKuZ7TxMQi2k/e8e29jB20WTnufEU2/CL:sP15HNkfZDi1uodgaDD

Score

10^/10

remcos remotehost collection credential_access discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:2404

208.70.254.147:2404

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-KIN5OV
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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Detected Nirsoft tools 8 IoCs

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

resource	yara_rule
behavioral2/memory/3308-37-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3016-42-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4648-41-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3308-43-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3308-40-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3016-39-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4648-38-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3016-48-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3308-37-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/3308-43-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/3308-40-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/3016-42-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3016-39-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3016-48-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Reads user/profile data of web browsers 2 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

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1428 set thread context of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 672 set thread context of 3016	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	90
PID 672 set thread context of 3308	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	91
PID 672 set thread context of 4648	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	92

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	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4648	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
4648	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
3016	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
3016	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
3016	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
3016	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4648	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 1428 wrote to memory of 672	1428	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	89
PID 672 wrote to memory of 3016	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	90
PID 672 wrote to memory of 3016	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	90
PID 672 wrote to memory of 3016	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	90
PID 672 wrote to memory of 3016	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	90
PID 672 wrote to memory of 3308	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	91
PID 672 wrote to memory of 3308	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	91
PID 672 wrote to memory of 3308	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	91
PID 672 wrote to memory of 3308	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	91
PID 672 wrote to memory of 4648	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	92
PID 672 wrote to memory of 4648	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	92
PID 672 wrote to memory of 4648	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	92
PID 672 wrote to memory of 4648	672	457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe	92

C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
"C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
  "C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:672
- - C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
    C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe /stext "C:\Users\Admin\AppData\Local\Temp\boyxhfjbeq"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3016
- - C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
    C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe /stext "C:\Users\Admin\AppData\Local\Temp\lqeiixucsylps"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:3308
- - C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe
    C:\Users\Admin\AppData\Local\Temp\457c6dd73de23ba122ab19b1b8cd0b05cf83d17569d3c88458ea94c321318576.exe /stext "C:\Users\Admin\AppData\Local\Temp\okjbiqnwogducffu"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4648

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

Loading Replay Monitor...

Downloads

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

Filesize
4KB

MD5
8b8277c8f03c24d1f290dbe476e961d2

SHA1
2e13baf3a4b708277d550dc3dd1e0f99b131f78e

SHA256
9af6881f6dbffba028a7a977f4c0a43c764f840332986993ad66de7b816c2f9e

SHA512
7367a0236cd0d6cd731caf1ba1f4ea8f851ea1018a9c6b49db6e9d13b2aaba92767774da9169481918e4287021ff5c3a58c3143eaa5e7fe9fa88383208615948

Download Submit
memory/672-53-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/672-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-54-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/672-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/672-50-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1428-7-0x0000000004E30000-0x0000000004E3E000-memory.dmp

Filesize
56KB

Download
memory/1428-2-0x0000000004AF0000-0x0000000004B82000-memory.dmp

Filesize
584KB

Download
memory/1428-4-0x0000000004D30000-0x0000000004D3A000-memory.dmp

Filesize
40KB

Download
memory/1428-5-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1428-10-0x0000000006A80000-0x0000000006B40000-memory.dmp

Filesize
768KB

Download
memory/1428-6-0x00000000064E0000-0x00000000065B6000-memory.dmp

Filesize
856KB

Download
memory/1428-11-0x00000000090E0000-0x000000000917C000-memory.dmp

Filesize
624KB

Download
memory/1428-8-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/1428-9-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1428-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/1428-1-0x0000000000090000-0x0000000000194000-memory.dmp

Filesize
1.0MB

Download
memory/1428-3-0x00000000052E0000-0x0000000005884000-memory.dmp

Filesize
5.6MB

Download
memory/1428-16-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3016-39-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-28-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-32-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-48-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-42-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3308-37-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3308-33-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3308-40-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3308-30-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3308-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4648-38-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4648-34-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4648-36-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4648-41-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download