remcos | d06628ac028784af0add1dbf62aad46f4bdade1a9324a03bd504fe7e3d306502

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 02:01

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General

Target

a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe
Size

2.2MB
MD5

6c3b88c4675ff6cad62702925a3390f1
SHA1

d7c0fdc2b3b92df96b5bcd7a390aa7312df086a5
SHA256

a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a
SHA512

ee611d1b240a25a02d8ea9ecca3deb943da34dfcb03a38c2e5d8b40a2cea60d4d4446f968b4af6dc6c9f21bd951b3023e16939ebd1fe0a3fd0867f6a0d143e4a
SSDEEP

49152:qB1BRf3rOSzOzrFNj8e1KbWF8K7Vk3SZTH4OWOEkw/R8jDYWg16pb67Wy/Zz:aaRrFCI4v7p

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

103.198.26.25:96

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-IPUJM4
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
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2112 powershell.exe

pid	process
2112	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe

description	pid	process	target process
PID 1744 set thread context of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

regsvcs.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvcs.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2112 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2112 powershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvcs.exe

pid	process
2112	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2112	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe

description	pid	process	target process
PID 1744 wrote to memory of 2112	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	powershell.exe
PID 1744 wrote to memory of 2112	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	powershell.exe
PID 1744 wrote to memory of 2112	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	powershell.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe
PID 1744 wrote to memory of 2872	1744	a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe	regsvcs.exe

C:\Users\Admin\AppData\Local\Temp\a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe
"C:\Users\Admin\AppData\Local\Temp\a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2112

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
2⤵
- System Location Discovery: System Language Discovery
PID:2872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2112-4-0x000007FEF50AE000-0x000007FEF50AF000-memory.dmp

Filesize
4KB

Download
memory/2112-5-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

Filesize
2.9MB

Download
memory/2112-6-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/2112-7-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/2112-8-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/2112-10-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/2112-11-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/2112-9-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/2112-13-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/2872-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2872-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download