remcos | 1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2025 20:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe
Size

1.8MB
MD5

47e16eecea5d98c92e3de14be4b23638
SHA1

dda8f48b6fd2c2d910e5d1ebf350c0d072ee99bd
SHA256

1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c
SHA512

0f9f600625a3861af274c6465f65e0f2893f565c646262f7df241db2c68c186d492676250f5a6ee8eb39e05383bb8e24bd06bb761ba47b0b757866e29ade7545
SSDEEP

49152:bVg5tQ7aB9CsMXcHuc7cABmaN6EkyiSws2z0E8C5:xg56oC8fcSC0i1z

Score

10^/10

remcos valdo collection discovery rat

Malware Config

Extracted

Family

remcos

Botnet

Valdo

janout21oadstse1.duckdns.org:57484

janout21oadstse1.duckdns.org:57483

janout21oadstse2.duckdns.org:57484

janout21oadstse3.duckdns.org:57484

janout21oadstse4.duckdns.org:57484

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
true
install_flag
false
keylog_crypt
false
keylog_file
amaonspt.dat
keylog_flag
false
keylog_path
%AppData%
mouse_option
false
mutex
lmoijuetgtso-NJWMZX
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
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/1576-41-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/720-44-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/720-48-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1576-43-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/720-42-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1800-40-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1576-50-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/720-44-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/720-48-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/720-42-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/1576-41-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/1576-43-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/1576-50-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sancerre.vbs	Sancerre.exe

Executes dropped EXE 1 IoCs

pid	Process
2328	Sancerre.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	svchost.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0007000000023c91-5.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2448	2328	Sancerre.exe	84
PID 2448 set thread context of 1576	2448	svchost.exe	102
PID 2448 set thread context of 720	2448	svchost.exe	103
PID 2448 set thread context of 1800	2448	svchost.exe	104

System Location Discovery: System Language Discovery 1 TTPs 6 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	1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sancerre.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1576	svchost.exe
1576	svchost.exe
1800	svchost.exe
1800	svchost.exe
1576	svchost.exe
1576	svchost.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
2328	Sancerre.exe
2448	svchost.exe
2448	svchost.exe
2448	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2960	1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe
2960	1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe
2328	Sancerre.exe
2328	Sancerre.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2960	1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe
2960	1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe
2328	Sancerre.exe
2328	Sancerre.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2448	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2328	2960	1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe	83
PID 2960 wrote to memory of 2328	2960	1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe	83
PID 2960 wrote to memory of 2328	2960	1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe	83
PID 2328 wrote to memory of 2448	2328	Sancerre.exe	84
PID 2328 wrote to memory of 2448	2328	Sancerre.exe	84
PID 2328 wrote to memory of 2448	2328	Sancerre.exe	84
PID 2328 wrote to memory of 2448	2328	Sancerre.exe	84
PID 2448 wrote to memory of 1576	2448	svchost.exe	102
PID 2448 wrote to memory of 1576	2448	svchost.exe	102
PID 2448 wrote to memory of 1576	2448	svchost.exe	102
PID 2448 wrote to memory of 1576	2448	svchost.exe	102
PID 2448 wrote to memory of 720	2448	svchost.exe	103
PID 2448 wrote to memory of 720	2448	svchost.exe	103
PID 2448 wrote to memory of 720	2448	svchost.exe	103
PID 2448 wrote to memory of 720	2448	svchost.exe	103
PID 2448 wrote to memory of 1800	2448	svchost.exe	104
PID 2448 wrote to memory of 1800	2448	svchost.exe	104
PID 2448 wrote to memory of 1800	2448	svchost.exe	104
PID 2448 wrote to memory of 1800	2448	svchost.exe	104

C:\Users\Admin\AppData\Local\Temp\1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe
"C:\Users\Admin\AppData\Local\Temp\1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Users\Admin\AppData\Local\leucoryx\Sancerre.exe
  "C:\Users\Admin\AppData\Local\Temp\1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2448
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\yxxcb"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1576
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\jzcvcrbx"
      4⤵
      Accesses Microsoft Outlook accounts
      System Location Discovery: System Language Discovery
      PID:720
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\tuhodkuzyllx"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
4KB

MD5
562a58578d6d04c7fb6bda581c57c03c

SHA1
12ab2b88624d01da0c5f5d1441aa21cbc276c5f5

SHA256
ff5c70287ba432a83f9015209d6e933462edca01d68c53c09882e1e4d22241c8

SHA512
3f6e19faa0196bd4c085defa587e664abdd63c25ef30df8f4323e60a5a5aca3cd2709466f772e64ab00fe331d4264841422d6057451947f3500e9252a132254e

Download Submit
C:\Users\Admin\AppData\Local\leucoryx\Sancerre.exe

Filesize
1.8MB

MD5
47e16eecea5d98c92e3de14be4b23638

SHA1
dda8f48b6fd2c2d910e5d1ebf350c0d072ee99bd

SHA256
1218876bc6c34ebcc73be253436e4a48e83c36ddc71b35cc10265073adce380c

SHA512
0f9f600625a3861af274c6465f65e0f2893f565c646262f7df241db2c68c186d492676250f5a6ee8eb39e05383bb8e24bd06bb761ba47b0b757866e29ade7545

Download Submit
memory/720-48-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/720-38-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/720-42-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/720-44-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/720-34-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1576-50-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1576-39-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1576-43-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1576-32-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1576-41-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-35-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1800-40-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1800-37-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2328-10-0x0000000003A30000-0x0000000003B30000-memory.dmp

Filesize
1024KB

Download
memory/2448-55-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2448-52-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2448-24-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-22-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-14-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-18-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-15-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-61-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-59-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-12-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-26-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-13-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-56-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2448-31-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-57-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-58-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-30-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2448-60-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2960-2-0x0000000003B10000-0x0000000003C10000-memory.dmp

Filesize
1024KB

Download