remcos | 224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5

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
12-11-2024 07:40

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General

Target

Payment_advise USD75,000.exe
Size

1.2MB
MD5

0e43d0bcdb55ef41cc9e2d4801e7c27f
SHA1

2dbb0488aaf9fb38a190fbd29a8c1d1e652138e1
SHA256

224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5
SHA512

96c2a1dfd0c56c98ec81016553d0fec248aad2886ae2dd7a90964cb509a9862a48a8cbac19689f1850cf6099a496d9e829701646b5c6675c7800df653b7d7a9d
SSDEEP

24576:6Mvntm93k/PFrLuhNoGHCstvZW+N4od77iyziq7z+bOrwQtE86t:6Sm93UFrWCstvwg4od2yuqCbOrBy

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

Processes:

powershell.exe

pid process

4532 powershell.exe

pid	process
4532	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:

Payment_advise USD75,000.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Payment_advise USD75,000.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment_advise USD75,000.exe

description pid process target process

PID 364 set thread context of 2200 364 Payment_advise USD75,000.exe Payment_advise USD75,000.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 364 set thread context of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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:

Payment_advise USD75,000.exepowershell.exeschtasks.exePayment_advise USD75,000.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment_advise USD75,000.exe
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	Payment_advise USD75,000.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

4076 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Payment_advise USD75,000.exepowershell.exe

pid process

364 Payment_advise USD75,000.exe
364 Payment_advise USD75,000.exe
4532 powershell.exe
4532 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment_advise USD75,000.exepowershell.exe

description pid process

Token: SeDebugPrivilege 364 Payment_advise USD75,000.exe
Token: SeDebugPrivilege 4532 powershell.exe

pid	process
4076	schtasks.exe

pid	process
364	Payment_advise USD75,000.exe
364	Payment_advise USD75,000.exe
4532	powershell.exe
4532	powershell.exe

description	pid	process
Token: SeDebugPrivilege	364	Payment_advise USD75,000.exe
Token: SeDebugPrivilege	4532	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Payment_advise USD75,000.exe

description	pid	process	target process
PID 364 wrote to memory of 4532	364	Payment_advise USD75,000.exe	powershell.exe
PID 364 wrote to memory of 4532	364	Payment_advise USD75,000.exe	powershell.exe
PID 364 wrote to memory of 4532	364	Payment_advise USD75,000.exe	powershell.exe
PID 364 wrote to memory of 4076	364	Payment_advise USD75,000.exe	schtasks.exe
PID 364 wrote to memory of 4076	364	Payment_advise USD75,000.exe	schtasks.exe
PID 364 wrote to memory of 4076	364	Payment_advise USD75,000.exe	schtasks.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe
PID 364 wrote to memory of 2200	364	Payment_advise USD75,000.exe	Payment_advise USD75,000.exe

C:\Users\Admin\AppData\Local\Temp\Payment_advise USD75,000.exe
"C:\Users\Admin\AppData\Local\Temp\Payment_advise USD75,000.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:364
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SnELYcvsaaa.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4532
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SnELYcvsaaa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD61C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4076
- C:\Users\Admin\AppData\Local\Temp\Payment_advise USD75,000.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_advise USD75,000.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2200

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_pbb0sah4.vbb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD61C.tmp

Filesize
1KB

MD5
2810e8704c7015ea3916334f71148adc

SHA1
a37055e1800b511987f9cefbd867edf74597e7e6

SHA256
3ee9e2256357f137f2a3bce1ec43a14cfd84323f034456a0980fe62207f800d3

SHA512
34e44133def73068aec579dc865995315f6cadbac4a07097aa3da3e723ae2418bde154f8779b0b9a37dcc874cfa13ba3c2264a5bda130e6de2b7a220834d3dc4

Download Submit
memory/364-5-0x00000000056D0000-0x00000000056DA000-memory.dmp

Filesize
40KB

Download
memory/364-3-0x00000000055C0000-0x0000000005652000-memory.dmp

Filesize
584KB

Download
memory/364-4-0x0000000005710000-0x0000000005A64000-memory.dmp

Filesize
3.3MB

Download
memory/364-6-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/364-2-0x0000000005AD0000-0x0000000006074000-memory.dmp

Filesize
5.6MB

Download
memory/364-7-0x0000000006210000-0x00000000062AC000-memory.dmp

Filesize
624KB

Download
memory/364-8-0x00000000056C0000-0x00000000056D2000-memory.dmp

Filesize
72KB

Download
memory/364-9-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/364-10-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/364-11-0x0000000006480000-0x0000000006544000-memory.dmp

Filesize
784KB

Download
memory/364-1-0x0000000000A20000-0x0000000000B5E000-memory.dmp

Filesize
1.2MB

Download
memory/364-0-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/364-32-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/2200-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2200-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4532-42-0x0000000006470000-0x000000000648E000-memory.dmp

Filesize
120KB

Download
memory/4532-49-0x0000000007430000-0x0000000007462000-memory.dmp

Filesize
200KB

Download
memory/4532-50-0x0000000070CC0000-0x0000000070D0C000-memory.dmp

Filesize
304KB

Download
memory/4532-60-0x0000000006A50000-0x0000000006A6E000-memory.dmp

Filesize
120KB

Download
memory/4532-61-0x0000000007470000-0x0000000007513000-memory.dmp

Filesize
652KB

Download
memory/4532-62-0x0000000007E10000-0x000000000848A000-memory.dmp

Filesize
6.5MB

Download
memory/4532-63-0x00000000077C0000-0x00000000077DA000-memory.dmp

Filesize
104KB

Download
memory/4532-64-0x0000000007840000-0x000000000784A000-memory.dmp

Filesize
40KB

Download
memory/4532-65-0x0000000007A40000-0x0000000007AD6000-memory.dmp

Filesize
600KB

Download
memory/4532-66-0x00000000079C0000-0x00000000079D1000-memory.dmp

Filesize
68KB

Download
memory/4532-67-0x00000000079F0000-0x00000000079FE000-memory.dmp

Filesize
56KB

Download
memory/4532-68-0x0000000007A00000-0x0000000007A14000-memory.dmp

Filesize
80KB

Download
memory/4532-69-0x0000000007B00000-0x0000000007B1A000-memory.dmp

Filesize
104KB

Download
memory/4532-70-0x0000000007AE0000-0x0000000007AE8000-memory.dmp

Filesize
32KB

Download
memory/4532-73-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4532-43-0x00000000064B0000-0x00000000064FC000-memory.dmp

Filesize
304KB

Download
memory/4532-27-0x00000000056E0000-0x0000000005702000-memory.dmp

Filesize
136KB

Download
memory/4532-28-0x0000000005DF0000-0x0000000005E56000-memory.dmp

Filesize
408KB

Download
memory/4532-29-0x0000000005E60000-0x0000000005EC6000-memory.dmp

Filesize
408KB

Download
memory/4532-21-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4532-20-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4532-19-0x0000000005750000-0x0000000005D78000-memory.dmp

Filesize
6.2MB

Download
memory/4532-17-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4532-16-0x0000000002B60000-0x0000000002B96000-memory.dmp

Filesize
216KB

Download