remcos | aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 08:44

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General

Target

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
Size

972KB
MD5

d62f3667a3442858a997db89c58f4eef
SHA1

dae557169720173b6ce70228670154bd95cae0c3
SHA256

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19
SHA512

c85a29e92edf84235de9891b13b09c000bd948363d5fe1c3eb5af1ffeb35c0b95da7f8a166cec5df83c0e5feb5d7234cc9a8e44c884189b9c34cc8d7daa11bbc
SSDEEP

12288:5umVWXiUJmBCk1sV2tfIUFspQ2zgKZhKV9+xhJJPeWiHD7aqZMJkD:hifJmBPfepFgahKmJejcs

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

162.251.122.76:7119

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-P2SX34
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

1848 powershell.exe
3348 powershell.exe

pid	process
1848	powershell.exe
3348	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

Processes:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

description	pid	process	target process
PID 3332 set thread context of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

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 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

Processes:

powershell.exeschtasks.exeaad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exeaad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

Processes:

schtasks.exe

pid process

4612 schtasks.exe

pid	process
4612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exepowershell.exepowershell.exe

pid	process
3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
3348	powershell.exe
1848	powershell.exe
3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
3348	powershell.exe
1848	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
Token: SeDebugPrivilege	1848	powershell.exe
Token: SeDebugPrivilege	3348	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

description	pid	process	target process
PID 3332 wrote to memory of 1848	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 3332 wrote to memory of 1848	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 3332 wrote to memory of 1848	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 3332 wrote to memory of 3348	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 3332 wrote to memory of 3348	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 3332 wrote to memory of 3348	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 3332 wrote to memory of 4612	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	schtasks.exe
PID 3332 wrote to memory of 4612	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	schtasks.exe
PID 3332 wrote to memory of 4612	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	schtasks.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 3332 wrote to memory of 1968	3332	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
"C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.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:3332
- 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\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1848
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZxiJIiRCztV.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3348
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZxiJIiRCztV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A6F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4612
- C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
  "C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1968

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
85ae234dbb7bc5df4d1bf5e40eb92292

SHA1
1bdc7459ae6e9cbf2bb910d66eac6457f80e6e91

SHA256
d6659a4c5060c67ea34af87ea2f3489f17ce31af86f0a7d97a099063f5186901

SHA512
3671d81fd6b8dfd908c0c69a92d952ea3eaa5566ffab7e7b09778e60507fcd68f13ca12b69ec59c1f77eaa9ca9f630d0ea0255c83c5281fd83764f30501a95f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ddt1d4u.cpx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5A6F.tmp

Filesize
1KB

MD5
e1b7f081343226f177fdb86afaa563ec

SHA1
34cf07e4ca827fc37b7e706097173b3cfa2df14e

SHA256
afa54bc23698c4feca855f6ad2e9c1655a198a50c5c90d3a74955058bbc62991

SHA512
ee2b36087c116d361bc65956670769127f095570ba0e6d0e104acb7209d54e2626ab46ffab08aa2380579aa1629a1dddf7d66c982678b27609199b449d0edcbd

Download Submit
memory/1848-83-0x0000000007920000-0x000000000792E000-memory.dmp

Filesize
56KB

Download
memory/1848-53-0x00000000062A0000-0x00000000062BE000-memory.dmp

Filesize
120KB

Download
memory/1848-22-0x0000000005440000-0x0000000005462000-memory.dmp

Filesize
136KB

Download
memory/1848-92-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1848-86-0x0000000007A10000-0x0000000007A18000-memory.dmp

Filesize
32KB

Download
memory/1848-85-0x0000000007A30000-0x0000000007A4A000-memory.dmp

Filesize
104KB

Download
memory/1848-54-0x0000000006900000-0x000000000694C000-memory.dmp

Filesize
304KB

Download
memory/1848-80-0x0000000007770000-0x000000000777A000-memory.dmp

Filesize
40KB

Download
memory/1848-17-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1848-79-0x00000000076F0000-0x000000000770A000-memory.dmp

Filesize
104KB

Download
memory/1848-78-0x0000000007D40000-0x00000000083BA000-memory.dmp

Filesize
6.5MB

Download
memory/1848-18-0x0000000005580000-0x0000000005BA8000-memory.dmp

Filesize
6.2MB

Download
memory/1848-77-0x00000000073D0000-0x0000000007473000-memory.dmp

Filesize
652KB

Download
memory/1848-21-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1848-76-0x0000000006990000-0x00000000069AE000-memory.dmp

Filesize
120KB

Download
memory/1848-26-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1848-57-0x0000000074EC0000-0x0000000074F0C000-memory.dmp

Filesize
304KB

Download
memory/1848-55-0x0000000007390000-0x00000000073C2000-memory.dmp

Filesize
200KB

Download
memory/1848-81-0x0000000007970000-0x0000000007A06000-memory.dmp

Filesize
600KB

Download
memory/1848-23-0x0000000005C30000-0x0000000005C96000-memory.dmp

Filesize
408KB

Download
memory/1848-24-0x0000000005CA0000-0x0000000005D06000-memory.dmp

Filesize
408KB

Download
memory/1968-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-95-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-94-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1968-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3332-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/3332-4-0x00000000054C0000-0x000000000556A000-memory.dmp

Filesize
680KB

Download
memory/3332-3-0x0000000005370000-0x0000000005402000-memory.dmp

Filesize
584KB

Download
memory/3332-11-0x00000000071D0000-0x0000000007290000-memory.dmp

Filesize
768KB

Download
memory/3332-10-0x0000000006130000-0x0000000006142000-memory.dmp

Filesize
72KB

Download
memory/3332-5-0x0000000005870000-0x000000000587A000-memory.dmp

Filesize
40KB

Download
memory/3332-6-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3332-7-0x0000000006070000-0x000000000610C000-memory.dmp

Filesize
624KB

Download
memory/3332-9-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3332-8-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/3332-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/3332-1-0x0000000000820000-0x0000000000914000-memory.dmp

Filesize
976KB

Download
memory/3332-52-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-36-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-93-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-84-0x0000000007680000-0x0000000007694000-memory.dmp

Filesize
80KB

Download
memory/3348-82-0x0000000007640000-0x0000000007651000-memory.dmp

Filesize
68KB

Download
memory/3348-16-0x0000000004B70000-0x0000000004BA6000-memory.dmp

Filesize
216KB

Download
memory/3348-19-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-20-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-56-0x0000000074EC0000-0x0000000074F0C000-memory.dmp

Filesize
304KB

Download
memory/3348-37-0x0000000005C20000-0x0000000005F74000-memory.dmp

Filesize
3.3MB

Download