remcos | 0e09af12603369c6a3542303dc72e6f32d2aa226270aad1c46a59ca10a015ff7

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-08-2024 14:46

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General

Target

Order8938.exe
Size

1.1MB
MD5

d3fff3f1d4f8d5b93f8ee6ef9de88b81
SHA1

cebcaf2839acba54a8d37fa6b85ccdd82d6b85b1
SHA256

f1e379ba6ef730a30192c591a00410fc174136c7eb71fed2596586b14f29551c
SHA512

00b9d1aa659929827f6e27e1d02d1409edb1f337bbb8a6972163d5be9df42d5e1b45d1e6b9912e836ad77ca0a8269970e317e6c6abb756eec1d693f43cd79aa6
SSDEEP

24576:fv5f66t1rUT6fdMjWo+Dq2MyXKr5B5l3no53lQ9ZynYQHtd19X:H5xy4Gjr+Dqz5do5C9Zy3d11

Score

10^/10

remcos aug - 21 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

AUG - 21

sungito2.ddns.net:5055

154.216.19.222:7088

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-9KM8RM
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 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2772	powershell.exe
1736	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	Order8938.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4392 set thread context of 4900	4392	Order8938.exe	104

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Order8938.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	Order8938.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
1040	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4392	Order8938.exe
4392	Order8938.exe
4392	Order8938.exe
4392	Order8938.exe
2772	powershell.exe
2772	powershell.exe
1736	powershell.exe
1736	powershell.exe
4392	Order8938.exe
4392	Order8938.exe
1736	powershell.exe
2772	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	4392	Order8938.exe
Token: SeDebugPrivilege	1736	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4900	Order8938.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 2772	4392	Order8938.exe	95
PID 4392 wrote to memory of 2772	4392	Order8938.exe	95
PID 4392 wrote to memory of 2772	4392	Order8938.exe	95
PID 4392 wrote to memory of 1736	4392	Order8938.exe	97
PID 4392 wrote to memory of 1736	4392	Order8938.exe	97
PID 4392 wrote to memory of 1736	4392	Order8938.exe	97
PID 4392 wrote to memory of 1040	4392	Order8938.exe	99
PID 4392 wrote to memory of 1040	4392	Order8938.exe	99
PID 4392 wrote to memory of 1040	4392	Order8938.exe	99
PID 4392 wrote to memory of 3416	4392	Order8938.exe	101
PID 4392 wrote to memory of 3416	4392	Order8938.exe	101
PID 4392 wrote to memory of 3416	4392	Order8938.exe	101
PID 4392 wrote to memory of 3200	4392	Order8938.exe	102
PID 4392 wrote to memory of 3200	4392	Order8938.exe	102
PID 4392 wrote to memory of 3200	4392	Order8938.exe	102
PID 4392 wrote to memory of 4416	4392	Order8938.exe	103
PID 4392 wrote to memory of 4416	4392	Order8938.exe	103
PID 4392 wrote to memory of 4416	4392	Order8938.exe	103
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104
PID 4392 wrote to memory of 4900	4392	Order8938.exe	104

C:\Users\Admin\AppData\Local\Temp\Order8938.exe
"C:\Users\Admin\AppData\Local\Temp\Order8938.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:4392
- 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\Order8938.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TlLBve.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1736
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TlLBve" /XML "C:\Users\Admin\AppData\Local\Temp\tmp15A6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1040
- C:\Users\Admin\AppData\Local\Temp\Order8938.exe
  "C:\Users\Admin\AppData\Local\Temp\Order8938.exe"
  2⤵
  PID:3416
- C:\Users\Admin\AppData\Local\Temp\Order8938.exe
  "C:\Users\Admin\AppData\Local\Temp\Order8938.exe"
  2⤵
  PID:3200
- C:\Users\Admin\AppData\Local\Temp\Order8938.exe
  "C:\Users\Admin\AppData\Local\Temp\Order8938.exe"
  2⤵
  PID:4416
- C:\Users\Admin\AppData\Local\Temp\Order8938.exe
  "C:\Users\Admin\AppData\Local\Temp\Order8938.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4900

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
9e579b4b794586e100cf99cfb6bc541d

SHA1
7691bc4bbb9b35becfb0bf3fdd07daf4f3f350fd

SHA256
108387d2b1e1c29e4d6fe6acec87c4a70d75ddcdd02b66be6ad57a755f34f4bc

SHA512
f7a1246566c5377de538684cacb92d461149b201abb63afdf27ead424e65c16ca0ebc4814fafa2476124730741e6f769e93eac714e36d232e87b549a1860b05e

Download Submit
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
2ec1e27d832334f9104ea6b788f19016

SHA1
f29b4529808488477b93677909a3c1e0390ebf57

SHA256
0a8e613f3050d0b82b5ec6b2bc766746c057da58e8abd75e5695390b84aa0eae

SHA512
672e80f47ef08cb0256c6ff428653ce2a6742d2e45815cf671d48af8fab932d882bcef029ff92058a3d2659e67e009bbe9089e0e7013b05170fd7036a65000e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gukyovjv.b2o.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp15A6.tmp

Filesize
1KB

MD5
a37b8977e4286df1de7ca911501cfc7b

SHA1
34e0f25a622171a307a423f9d0e17194fcb4aa60

SHA256
35f83e3b0ed787a545fa2a850e7b15fefcb0f9b4bec43e947fda00a4dbf7fa99

SHA512
de3a11265aaaccf482c32210941f8ea221117cb24b7ffabc859a55c8a203a78f7dcc2df35a4f28ebc43734ffeff12a497524eda03eed0b58e841cebdaf0513f2

Download Submit
memory/1736-58-0x0000000006AA0000-0x0000000006AD2000-memory.dmp

Filesize
200KB

Download
memory/1736-69-0x00000000060C0000-0x00000000060DE000-memory.dmp

Filesize
120KB

Download
memory/1736-59-0x000000006F9E0000-0x000000006FA2C000-memory.dmp

Filesize
304KB

Download
memory/1736-24-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/1736-57-0x0000000006030000-0x000000000607C000-memory.dmp

Filesize
304KB

Download
memory/1736-55-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

Filesize
120KB

Download
memory/1736-80-0x0000000006AE0000-0x0000000006B83000-memory.dmp

Filesize
652KB

Download
memory/1736-81-0x0000000007460000-0x0000000007ADA000-memory.dmp

Filesize
6.5MB

Download
memory/1736-85-0x0000000007020000-0x0000000007031000-memory.dmp

Filesize
68KB

Download
memory/1736-96-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/1736-89-0x0000000007140000-0x0000000007148000-memory.dmp

Filesize
32KB

Download
memory/1736-22-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/2772-95-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/2772-87-0x0000000007150000-0x0000000007164000-memory.dmp

Filesize
80KB

Download
memory/2772-26-0x0000000005480000-0x00000000054E6000-memory.dmp

Filesize
408KB

Download
memory/2772-27-0x00000000055A0000-0x0000000005606000-memory.dmp

Filesize
408KB

Download
memory/2772-19-0x0000000004CA0000-0x00000000052C8000-memory.dmp

Filesize
6.2MB

Download
memory/2772-88-0x0000000007250000-0x000000000726A000-memory.dmp

Filesize
104KB

Download
memory/2772-18-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/2772-17-0x0000000004630000-0x0000000004666000-memory.dmp

Filesize
216KB

Download
memory/2772-53-0x0000000005610000-0x0000000005964000-memory.dmp

Filesize
3.3MB

Download
memory/2772-70-0x000000006F9E0000-0x000000006FA2C000-memory.dmp

Filesize
304KB

Download
memory/2772-86-0x0000000007140000-0x000000000714E000-memory.dmp

Filesize
56KB

Download
memory/2772-25-0x0000000004C20000-0x0000000004C42000-memory.dmp

Filesize
136KB

Download
memory/2772-84-0x0000000007190000-0x0000000007226000-memory.dmp

Filesize
600KB

Download
memory/2772-83-0x0000000006F80000-0x0000000006F8A000-memory.dmp

Filesize
40KB

Download
memory/2772-82-0x0000000006F10000-0x0000000006F2A000-memory.dmp

Filesize
104KB

Download
memory/2772-20-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/2772-23-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/4392-8-0x000000007515E000-0x000000007515F000-memory.dmp

Filesize
4KB

Download
memory/4392-6-0x0000000005AE0000-0x0000000005B7C000-memory.dmp

Filesize
624KB

Download
memory/4392-5-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/4392-7-0x0000000005AB0000-0x0000000005ACA000-memory.dmp

Filesize
104KB

Download
memory/4392-4-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/4392-3-0x0000000005810000-0x00000000058A2000-memory.dmp

Filesize
584KB

Download
memory/4392-9-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/4392-10-0x0000000005AD0000-0x0000000005ADC000-memory.dmp

Filesize
48KB

Download
memory/4392-56-0x0000000075150000-0x0000000075900000-memory.dmp

Filesize
7.7MB

Download
memory/4392-2-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/4392-11-0x0000000005C80000-0x0000000005C90000-memory.dmp

Filesize
64KB

Download
memory/4392-12-0x0000000006B90000-0x0000000006C50000-memory.dmp

Filesize
768KB

Download
memory/4392-0-0x000000007515E000-0x000000007515F000-memory.dmp

Filesize
4KB

Download
memory/4392-1-0x0000000000C70000-0x0000000000D94000-memory.dmp

Filesize
1.1MB

Download
memory/4900-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-121-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-123-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-124-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-126-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-130-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-132-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-136-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-138-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-140-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-141-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-143-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-145-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-146-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-148-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-150-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-151-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-153-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-155-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-157-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-158-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-161-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-162-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-164-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-166-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-167-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-169-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4900-171-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download