remcos | 972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 02:48

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General

Target

972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
Size

920KB
MD5

837245dd0067f14b51b01c3ec2abd1e2
SHA1

050af9b128d86975c8afa6d62b1bedec0d6f20b0
SHA256

972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112
SHA512

b0372c59246b7263fa213cf341af74aab174205d8ba6f06cfa18b92c16a8aed16b889fb2c37ffe27e1aa79f41c2a6be02e756dee6bad86d8ade27797d80a91c7
SSDEEP

24576:jMyQZrc+IbxyYMv5KXgoNV8LCZacnu4Z1aNR3:PQ9c+IFrnemod46d

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

172.245.123.14:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-3DXQCZ
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
Remcos family
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
1864	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 732 set thread context of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101

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	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4240	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
1864	powershell.exe
732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
1864	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
Token: SeDebugPrivilege	1864	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 1864	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	96
PID 732 wrote to memory of 1864	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	96
PID 732 wrote to memory of 1864	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	96
PID 732 wrote to memory of 4240	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	98
PID 732 wrote to memory of 4240	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	98
PID 732 wrote to memory of 4240	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	98
PID 732 wrote to memory of 3380	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	100
PID 732 wrote to memory of 3380	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	100
PID 732 wrote to memory of 3380	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	100
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101
PID 732 wrote to memory of 2740	732	972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe	101

C:\Users\Admin\AppData\Local\Temp\972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
"C:\Users\Admin\AppData\Local\Temp\972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:732
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ppcjCFk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1864
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ppcjCFk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpACF9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4240
- C:\Users\Admin\AppData\Local\Temp\972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
  "C:\Users\Admin\AppData\Local\Temp\972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe"
  2⤵
  PID:3380
- C:\Users\Admin\AppData\Local\Temp\972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe
  "C:\Users\Admin\AppData\Local\Temp\972d31f6bff6eed33197d77be4cf2027535bd64d42965c207c6e541257a4e112.exe"
  2⤵
  PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_30lwfkk3.20e.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpACF9.tmp

Filesize
1KB

MD5
adf3d42ceabeb89073fa4b433c3eb363

SHA1
01987f6b1f8c2dde608452405d0e732eb4b13280

SHA256
3471cc3226d25c8c129b93ad72b177d373402e615d7f1aeddd3e888188812bc0

SHA512
099f6e6878171f13c232d4d605bd812265d52b5b30749747322bd4ef379811ed49f88b74a475392950bd499feab08317a1683c8376f4be091662059419ca5f85

Download Submit
memory/732-4-0x0000000004D50000-0x0000000004D5A000-memory.dmp

Filesize
40KB

Download
memory/732-3-0x0000000004D70000-0x0000000004E02000-memory.dmp

Filesize
584KB

Download
memory/732-6-0x0000000004FB0000-0x000000000504C000-memory.dmp

Filesize
624KB

Download
memory/732-5-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/732-31-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/732-7-0x0000000005190000-0x00000000051A2000-memory.dmp

Filesize
72KB

Download
memory/732-8-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/732-9-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/732-10-0x0000000006040000-0x0000000006104000-memory.dmp

Filesize
784KB

Download
memory/732-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/732-2-0x0000000005280000-0x0000000005824000-memory.dmp

Filesize
5.6MB

Download
memory/732-1-0x00000000003A0000-0x000000000048C000-memory.dmp

Filesize
944KB

Download
memory/1864-29-0x00000000062B0000-0x0000000006604000-memory.dmp

Filesize
3.3MB

Download
memory/1864-57-0x0000000007C40000-0x0000000007C5A000-memory.dmp

Filesize
104KB

Download
memory/1864-67-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1864-19-0x0000000005A70000-0x0000000005A92000-memory.dmp

Filesize
136KB

Download
memory/1864-22-0x00000000061C0000-0x0000000006226000-memory.dmp

Filesize
408KB

Download
memory/1864-21-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/1864-24-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1864-64-0x0000000007F60000-0x0000000007F68000-memory.dmp

Filesize
32KB

Download
memory/1864-63-0x0000000007F80000-0x0000000007F9A000-memory.dmp

Filesize
104KB

Download
memory/1864-18-0x0000000005B20000-0x0000000006148000-memory.dmp

Filesize
6.2MB

Download
memory/1864-17-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1864-30-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1864-62-0x0000000007E80000-0x0000000007E94000-memory.dmp

Filesize
80KB

Download
memory/1864-15-0x00000000053A0000-0x00000000053D6000-memory.dmp

Filesize
216KB

Download
memory/1864-41-0x0000000006900000-0x000000000691E000-memory.dmp

Filesize
120KB

Download
memory/1864-42-0x0000000006E60000-0x0000000006EAC000-memory.dmp

Filesize
304KB

Download
memory/1864-43-0x00000000078D0000-0x0000000007902000-memory.dmp

Filesize
200KB

Download
memory/1864-44-0x0000000074F30000-0x0000000074F7C000-memory.dmp

Filesize
304KB

Download
memory/1864-54-0x0000000006EF0000-0x0000000006F0E000-memory.dmp

Filesize
120KB

Download
memory/1864-55-0x0000000007910000-0x00000000079B3000-memory.dmp

Filesize
652KB

Download
memory/1864-56-0x0000000008290000-0x000000000890A000-memory.dmp

Filesize
6.5MB

Download
memory/1864-61-0x0000000007E70000-0x0000000007E7E000-memory.dmp

Filesize
56KB

Download
memory/1864-58-0x0000000007CC0000-0x0000000007CCA000-memory.dmp

Filesize
40KB

Download
memory/1864-59-0x0000000007EC0000-0x0000000007F56000-memory.dmp

Filesize
600KB

Download
memory/1864-60-0x0000000007E40000-0x0000000007E51000-memory.dmp

Filesize
68KB

Download
memory/2740-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2740-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download