remcos | 146e0da72933d8c791b6e472feed882183027ee4a0e38a085a13b5895e3f41c3

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2024, 12:55

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General

Target

ScanCopy.exe
Size

965KB
MD5

3ec33d19baef1817ddf9f290d3acdcc6
SHA1

a19be8bab1dbf2dec279bc31a081824bbe5c8721
SHA256

146e0da72933d8c791b6e472feed882183027ee4a0e38a085a13b5895e3f41c3
SHA512

7ef13fb47277d7332b5ec0424ebf141f66cc6de5918713743b1de3baa8274b4d27c16afed77fb0e611694d1cdfe2ebc1e99e57ec95c29b98a101007faff7277d
SSDEEP

24576:lMkh5oDiJNMaGuDFJES4xqYyTYaqYzI90W:l/5oDinjpPKqYy5NzIn

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

154.216.17.185:5077

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-MWSEMG
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

pid	Process
4636	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	ScanCopy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2992 set thread context of 740	2992	ScanCopy.exe	105

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	ScanCopy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ScanCopy.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4636	powershell.exe
4636	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4636	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
740	ScanCopy.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 4636	2992	ScanCopy.exe	103
PID 2992 wrote to memory of 4636	2992	ScanCopy.exe	103
PID 2992 wrote to memory of 4636	2992	ScanCopy.exe	103
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105
PID 2992 wrote to memory of 740	2992	ScanCopy.exe	105

C:\Users\Admin\AppData\Local\Temp\ScanCopy.exe
"C:\Users\Admin\AppData\Local\Temp\ScanCopy.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ScanCopy.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4636
- C:\Users\Admin\AppData\Local\Temp\ScanCopy.exe
  "C:\Users\Admin\AppData\Local\Temp\ScanCopy.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:740

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
ade3e91510483c2693c91e8a9a738d88

SHA1
4f8c2f212dd239962b4bdf4ed38a6c956a7dde48

SHA256
4973feaf778d68fd883cff60a51251e1bb6cd3a1f5f89d319e160f7519ed3ed8

SHA512
8884e06b98707e10dd8b20d25afe01d404a93fa3b2692587970352dcccd52115d74a1623b5414a86d1075c41a6af16d9bc99e2cfd4c61be0711909c445cff9fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wik1jhuu.ij1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/740-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-10-0x0000000006730000-0x00000000067F0000-memory.dmp

Filesize
768KB

Download
memory/2992-21-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/2992-3-0x0000000005150000-0x00000000051E2000-memory.dmp

Filesize
584KB

Download
memory/2992-9-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/2992-8-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2992-7-0x0000000005460000-0x000000000547C000-memory.dmp

Filesize
112KB

Download
memory/2992-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2992-6-0x0000000005490000-0x000000000552C000-memory.dmp

Filesize
624KB

Download
memory/2992-2-0x0000000005700000-0x0000000005CA4000-memory.dmp

Filesize
5.6MB

Download
memory/2992-1-0x0000000000780000-0x0000000000874000-memory.dmp

Filesize
976KB

Download
memory/2992-5-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/2992-4-0x0000000005130000-0x000000000513A000-memory.dmp

Filesize
40KB

Download
memory/4636-30-0x0000000005470000-0x00000000054D6000-memory.dmp

Filesize
408KB

Download
memory/4636-47-0x00000000712A0000-0x00000000712EC000-memory.dmp

Filesize
304KB

Download
memory/4636-57-0x0000000006B50000-0x0000000006B6E000-memory.dmp

Filesize
120KB

Download
memory/4636-58-0x0000000006B70000-0x0000000006C13000-memory.dmp

Filesize
652KB

Download
memory/4636-59-0x00000000074F0000-0x0000000007B6A000-memory.dmp

Filesize
6.5MB

Download
memory/4636-60-0x0000000006EA0000-0x0000000006EBA000-memory.dmp

Filesize
104KB

Download
memory/4636-61-0x0000000006F10000-0x0000000006F1A000-memory.dmp

Filesize
40KB

Download
memory/4636-62-0x0000000007120000-0x00000000071B6000-memory.dmp

Filesize
600KB

Download
memory/4636-63-0x00000000070A0000-0x00000000070B1000-memory.dmp

Filesize
68KB

Download
memory/4636-64-0x00000000070D0000-0x00000000070DE000-memory.dmp

Filesize
56KB

Download
memory/4636-65-0x00000000070E0000-0x00000000070F4000-memory.dmp

Filesize
80KB

Download
memory/4636-66-0x00000000071E0000-0x00000000071FA000-memory.dmp

Filesize
104KB

Download
memory/4636-67-0x00000000071C0000-0x00000000071C8000-memory.dmp

Filesize
32KB

Download
memory/4636-70-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4636-46-0x0000000006150000-0x0000000006182000-memory.dmp

Filesize
200KB

Download
memory/4636-45-0x0000000005BB0000-0x0000000005BFC000-memory.dmp

Filesize
304KB

Download
memory/4636-44-0x0000000005B70000-0x0000000005B8E000-memory.dmp

Filesize
120KB

Download
memory/4636-41-0x0000000005790000-0x0000000005AE4000-memory.dmp

Filesize
3.3MB

Download
memory/4636-31-0x0000000005550000-0x00000000055B6000-memory.dmp

Filesize
408KB

Download
memory/4636-29-0x0000000004BA0000-0x0000000004BC2000-memory.dmp

Filesize
136KB

Download
memory/4636-25-0x0000000004C40000-0x0000000005268000-memory.dmp

Filesize
6.2MB

Download
memory/4636-22-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/4636-24-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4636-23-0x00000000045D0000-0x0000000004606000-memory.dmp

Filesize
216KB

Download