remcos | 13d4ae15927c0c9080b6d657e8850deb72ecd091ebc0b01d2ed75d4caa007bbe

Analysis

max time kernel
150s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 04:59

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General

Target

shipment scheduled NOV 13-14TH.exe
Size

920KB
MD5

06cf3f0d14bcba73c87f66a821f7f4d4
SHA1

bc56adb6065940a2e08bc43a027d9cfb396f642e
SHA256

80e92b616e6ca40836434deeb64a032a13a2a441653b8fc4af29b075a864d3bc
SHA512

2a97089579b0af02560abaebbc8b56b3c4babd9e85b92f07e2ec7fe4c4a4348bbec5214719484dd4ad8c39667c39a4b8b73596c9f2fc8fa32073862ae126a553
SSDEEP

24576:hMyT7/osm++31jw2kvXvlMOj9k0T+6SXPGaDDm6UH:pT7/Bm+KNw3fvlljmCkuaD

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
2728	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:

shipment scheduled NOV 13-14TH.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	shipment scheduled NOV 13-14TH.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

shipment scheduled NOV 13-14TH.exe

description	pid	Process	procid_target
PID 2424 set thread context of 1584	2424	shipment scheduled NOV 13-14TH.exe	102

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 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:

powershell.exeschtasks.exeshipment scheduled NOV 13-14TH.exeshipment scheduled NOV 13-14TH.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	shipment scheduled NOV 13-14TH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shipment scheduled NOV 13-14TH.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
4928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

shipment scheduled NOV 13-14TH.exepowershell.exe

pid	Process
2424	shipment scheduled NOV 13-14TH.exe
2424	shipment scheduled NOV 13-14TH.exe
2728	powershell.exe
2728	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

shipment scheduled NOV 13-14TH.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2424	shipment scheduled NOV 13-14TH.exe
Token: SeDebugPrivilege	2728	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

shipment scheduled NOV 13-14TH.exe

description	pid	Process	procid_target
PID 2424 wrote to memory of 2728	2424	shipment scheduled NOV 13-14TH.exe	98
PID 2424 wrote to memory of 2728	2424	shipment scheduled NOV 13-14TH.exe	98
PID 2424 wrote to memory of 2728	2424	shipment scheduled NOV 13-14TH.exe	98
PID 2424 wrote to memory of 4928	2424	shipment scheduled NOV 13-14TH.exe	100
PID 2424 wrote to memory of 4928	2424	shipment scheduled NOV 13-14TH.exe	100
PID 2424 wrote to memory of 4928	2424	shipment scheduled NOV 13-14TH.exe	100
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102
PID 2424 wrote to memory of 1584	2424	shipment scheduled NOV 13-14TH.exe	102

C:\Users\Admin\AppData\Local\Temp\shipment scheduled NOV 13-14TH.exe
"C:\Users\Admin\AppData\Local\Temp\shipment scheduled NOV 13-14TH.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:2424
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qZdlyIaexwadYg.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qZdlyIaexwadYg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA8F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4928
- C:\Users\Admin\AppData\Local\Temp\shipment scheduled NOV 13-14TH.exe
  "C:\Users\Admin\AppData\Local\Temp\shipment scheduled NOV 13-14TH.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1584

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_rwpfjl0w.bnq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEA8F.tmp

Filesize
1KB

MD5
f75ab0fff5a943c2a4ec30dcee2ab3cb

SHA1
356f6f97a9a0a1496befe88f48c3930758591141

SHA256
e080278fc622dcc28cae3805c528c3e671ae691c7629cc7c83e63905d4bd7cca

SHA512
f15504dae15e5b5e7943c81274ba06fbb14ba476e598336da95c36894181b0ebf269849f98cad9ab2f345fd4f83bd6d4e6bde22b9410dfdfcd08f7e970a1f8e1

Download Submit
memory/1584-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1584-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2424-10-0x00000000069B0000-0x0000000006A74000-memory.dmp

Filesize
784KB

Download
memory/2424-6-0x00000000059C0000-0x0000000005A5C000-memory.dmp

Filesize
624KB

Download
memory/2424-4-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2424-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/2424-3-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/2424-9-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2424-1-0x0000000000BF0000-0x0000000000CDC000-memory.dmp

Filesize
944KB

Download
memory/2424-8-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2424-41-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2424-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2424-7-0x0000000005980000-0x0000000005992000-memory.dmp

Filesize
72KB

Download
memory/2424-5-0x00000000056D0000-0x00000000056DA000-memory.dmp

Filesize
40KB

Download
memory/2728-42-0x0000000005A70000-0x0000000005A8E000-memory.dmp

Filesize
120KB

Download
memory/2728-55-0x0000000006A50000-0x0000000006A6E000-memory.dmp

Filesize
120KB

Download
memory/2728-56-0x0000000006A70000-0x0000000006B13000-memory.dmp

Filesize
652KB

Download
memory/2728-57-0x00000000073F0000-0x0000000007A6A000-memory.dmp

Filesize
6.5MB

Download
memory/2728-58-0x0000000006DB0000-0x0000000006DCA000-memory.dmp

Filesize
104KB

Download
memory/2728-59-0x0000000006E20000-0x0000000006E2A000-memory.dmp

Filesize
40KB

Download
memory/2728-60-0x0000000007030000-0x00000000070C6000-memory.dmp

Filesize
600KB

Download
memory/2728-61-0x0000000006FB0000-0x0000000006FC1000-memory.dmp

Filesize
68KB

Download
memory/2728-62-0x0000000006FE0000-0x0000000006FEE000-memory.dmp

Filesize
56KB

Download
memory/2728-63-0x0000000006FF0000-0x0000000007004000-memory.dmp

Filesize
80KB

Download
memory/2728-64-0x00000000070F0000-0x000000000710A000-memory.dmp

Filesize
104KB

Download
memory/2728-65-0x00000000070D0000-0x00000000070D8000-memory.dmp

Filesize
32KB

Download
memory/2728-68-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2728-45-0x00000000753C0000-0x000000007540C000-memory.dmp

Filesize
304KB

Download
memory/2728-44-0x0000000006040000-0x0000000006072000-memory.dmp

Filesize
200KB

Download
memory/2728-43-0x0000000005B30000-0x0000000005B7C000-memory.dmp

Filesize
304KB

Download
memory/2728-40-0x00000000054B0000-0x0000000005804000-memory.dmp

Filesize
3.3MB

Download
memory/2728-28-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/2728-29-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2728-24-0x0000000004AB0000-0x0000000004AD2000-memory.dmp

Filesize
136KB

Download
memory/2728-27-0x0000000005360000-0x00000000053C6000-memory.dmp

Filesize
408KB

Download
memory/2728-19-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2728-18-0x0000000004C30000-0x0000000005258000-memory.dmp

Filesize
6.2MB

Download
memory/2728-16-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2728-15-0x0000000000D10000-0x0000000000D46000-memory.dmp

Filesize
216KB

Download