remcos | 6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef

Analysis

max time kernel
148s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 01:31

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General

Target

6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
Size

26KB
MD5

4de10c26ffdb97cf0ddedd59e6212762
SHA1

f429ad8fc9d4ce133129082c2ff824b529af3710
SHA256

6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef
SHA512

c25166fb6d56f046a816f4e1161ddd630182da203bef138a9a1b987c9912997f925766312e3acc4295e05393537f960e7e8e2be13d5afc101df898030f74624f
SSDEEP

768:xAzd2MYn1UuHMFSlWXokQPhbOcjC49N06:+p2MYn1UuHMgIXokQPgcjC49Nv

Score

10^/10

remcos sucre11 collection credential_access discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

sucre11

185.150.191.117:4609

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-KRN2PG
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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2720 created 3456	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	56

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 5 IoCs

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

resource	yara_rule
behavioral2/memory/4592-1119-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2880-1122-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3700-1120-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2880-1123-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4592-1125-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/2880-1122-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/2880-1123-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4592-1119-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4592-1125-0x0000000000400000-0x0000000000478000-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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windowsm = "C:\\Users\\Admin\\AppData\\Roaming\\windowsm.exe"	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 4292 set thread context of 4592	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	94
PID 4292 set thread context of 2880	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	95
PID 4292 set thread context of 3700	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	96

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	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
4592	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
4592	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
3700	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
3700	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
4592	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
4592	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
Token: SeDebugPrivilege	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
Token: SeDebugPrivilege	3700	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 2720 wrote to memory of 4292	2720	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	91
PID 4292 wrote to memory of 4592	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	94
PID 4292 wrote to memory of 4592	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	94
PID 4292 wrote to memory of 4592	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	94
PID 4292 wrote to memory of 4592	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	94
PID 4292 wrote to memory of 2880	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	95
PID 4292 wrote to memory of 2880	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	95
PID 4292 wrote to memory of 2880	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	95
PID 4292 wrote to memory of 2880	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	95
PID 4292 wrote to memory of 3700	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	96
PID 4292 wrote to memory of 3700	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	96
PID 4292 wrote to memory of 3700	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	96
PID 4292 wrote to memory of 3700	4292	6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3456
- C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
  "C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2720
- C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
  "C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4292
- - C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
    C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe /stext "C:\Users\Admin\AppData\Local\Temp\vcixakgmvvyvyuwonzmbt"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4592
- - C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
    C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe /stext "C:\Users\Admin\AppData\Local\Temp\fenqbcqojdqiiissekyvwiqi"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:2880
- - C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe
    C:\Users\Admin\AppData\Local\Temp\6ea77ecddf6b1b7c691746dd9fe3deb3d0c177d07b6b434d4694ed134472c7ef.exe /stext "C:\Users\Admin\AppData\Local\Temp\iysibvjhxlinlogenulwhmcrujnk"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

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Downloads

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

Filesize
4KB

MD5
15e28d82a9ee8a45c10bcf671fef0362

SHA1
2b126b086a1191cb8b4d444e87781358d51af3a4

SHA256
012fbb5f15d52a9560cf0e77fd36837ec2c56aff7a989d31c3d40d4f6df6cf9d

SHA512
3dd749523858a54e7e5ededba47d54715c9d5663dd0bd609363de7442436d1f0e924c5e4706e3ac413b79ddb6a18c796cc0ad166b4c87a3a7a6b009ba77fee82

Download Submit
memory/2720-27-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-1081-0x0000000008750000-0x0000000008CF4000-memory.dmp

Filesize
5.6MB

Download
memory/2720-2-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2720-3-0x0000000006B50000-0x0000000006C6E000-memory.dmp

Filesize
1.1MB

Download
memory/2720-23-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-25-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-57-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-67-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-65-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-63-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-61-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-59-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-55-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-53-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-51-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-49-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-45-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-43-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-41-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-39-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-47-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-37-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-33-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-32-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-21-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/2720-29-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-19-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-17-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-13-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-11-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-9-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-5-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-35-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-15-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-7-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-4-0x0000000006B50000-0x0000000006C68000-memory.dmp

Filesize
1.1MB

Download
memory/2720-1078-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2720-1079-0x0000000006F30000-0x0000000006FC8000-memory.dmp

Filesize
608KB

Download
memory/2720-1080-0x0000000006E90000-0x0000000006EDC000-memory.dmp

Filesize
304KB

Download
memory/2720-1-0x0000000000F70000-0x0000000000F7E000-memory.dmp

Filesize
56KB

Download
memory/2720-1082-0x00000000031E0000-0x0000000003234000-memory.dmp

Filesize
336KB

Download
memory/2720-1088-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2720-1087-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2720-1089-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2720-1096-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2880-1122-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2880-1123-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3700-1120-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4292-1093-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4292-1133-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

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memory/4592-1119-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

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memory/4592-1125-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

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