remcos | 2605e19b6dc807d50e0b88923b061d7d48826e2f473d803fcbbd3f0f2af12a40

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 10:44

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General

Target

RFQ-3009004410.exe
Size

993KB
MD5

de0e89cad67394ce9ca3b69a3e3a6171
SHA1

d210937270d631d0bd076b5b476c69d92ea14b86
SHA256

ef3b677af046e5f3c098b7eb8a1938a3b22dca2710323b53deaf1b51e41e25d2
SHA512

f4e9e9f7792ded7f1d69dea6b8d13858083c77c2cccbc185fe78f8db8b7374ad1cdb4e0d9b8a507146dc1df2039644f6fa050b30e1d199ac6d300d067e27d91e
SSDEEP

24576:XX4e76n+SLsgBBHfnKlMBJF2RMbGJcrb9A68sA5fUxptFf2:XXBABBHClMPFweGOrhf2EBe

Score

10^/10

remcos appo discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

APPO

pronpostavka.com:2559

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
chrome-EZMR6Q
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
2720	powershell.exe
2704	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	RFQ-3009004410.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4572 set thread context of 4384	4572	RFQ-3009004410.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 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	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	RFQ-3009004410.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ-3009004410.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
668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4572	RFQ-3009004410.exe
2704	powershell.exe
2704	powershell.exe
2720	powershell.exe
2720	powershell.exe
4572	RFQ-3009004410.exe
4572	RFQ-3009004410.exe
2704	powershell.exe
2720	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4572	RFQ-3009004410.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2720	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 2720	4572	RFQ-3009004410.exe	96
PID 4572 wrote to memory of 2720	4572	RFQ-3009004410.exe	96
PID 4572 wrote to memory of 2720	4572	RFQ-3009004410.exe	96
PID 4572 wrote to memory of 2704	4572	RFQ-3009004410.exe	98
PID 4572 wrote to memory of 2704	4572	RFQ-3009004410.exe	98
PID 4572 wrote to memory of 2704	4572	RFQ-3009004410.exe	98
PID 4572 wrote to memory of 668	4572	RFQ-3009004410.exe	100
PID 4572 wrote to memory of 668	4572	RFQ-3009004410.exe	100
PID 4572 wrote to memory of 668	4572	RFQ-3009004410.exe	100
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102
PID 4572 wrote to memory of 4384	4572	RFQ-3009004410.exe	102

C:\Users\Admin\AppData\Local\Temp\RFQ-3009004410.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-3009004410.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:4572
- 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\RFQ-3009004410.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nwKQbAcv.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nwKQbAcv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF397.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:668
- C:\Users\Admin\AppData\Local\Temp\RFQ-3009004410.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ-3009004410.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4384

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
15e5f6e984b89432961477306f0c6fd2

SHA1
f5a255f5f2da6b34f88b1dd7e6625ecab5ab8a5e

SHA256
8e709914396d513d74341f194d24ffb917267f7d2198614c4cd16300a05097c3

SHA512
9ef915456d5535d3048353723796b7fb97abd680965c5bbe329904b29f3d9acb24f99ea91620bb851d4d54c02a6b98f5a2d15b85ef7ada2961d48f50fdda6832

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x2yyqlcj.waf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF397.tmp

Filesize
1KB

MD5
81bed2fce8c152c6788b11c982edd824

SHA1
fb7582587b5be1da895f513f8905ed56e9c71d16

SHA256
001445792c5278a7ddb19df3e2aaa3a6e5091875e74a1cfd275018522a373272

SHA512
3669ef18f32830c904ab84bd1820acf8bffdfba43c375a325de3a6861a0005ec3d292c12e5eb30e53a961f1f02eab87296392654acdcaaf84c84bd16fcbbbd30

Download Submit
memory/2704-84-0x0000000007180000-0x0000000007191000-memory.dmp

Filesize
68KB

Download
memory/2704-24-0x0000000004CA0000-0x0000000004CC2000-memory.dmp

Filesize
136KB

Download
memory/2704-57-0x0000000006C10000-0x0000000006C42000-memory.dmp

Filesize
200KB

Download
memory/2704-98-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2704-20-0x0000000004E20000-0x0000000005448000-memory.dmp

Filesize
6.2MB

Download
memory/2704-54-0x0000000005C60000-0x0000000005C7E000-memory.dmp

Filesize
120KB

Download
memory/2704-91-0x00000000072A0000-0x00000000072A8000-memory.dmp

Filesize
32KB

Download
memory/2704-90-0x00000000072C0000-0x00000000072DA000-memory.dmp

Filesize
104KB

Download
memory/2704-89-0x00000000071C0000-0x00000000071D4000-memory.dmp

Filesize
80KB

Download
memory/2704-88-0x00000000071B0000-0x00000000071BE000-memory.dmp

Filesize
56KB

Download
memory/2704-22-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2704-26-0x0000000005530000-0x0000000005596000-memory.dmp

Filesize
408KB

Download
memory/2704-25-0x00000000054C0000-0x0000000005526000-memory.dmp

Filesize
408KB

Download
memory/2704-27-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2704-28-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2704-55-0x0000000005CF0000-0x0000000005D3C000-memory.dmp

Filesize
304KB

Download
memory/2704-83-0x0000000007200000-0x0000000007296000-memory.dmp

Filesize
600KB

Download
memory/2704-59-0x0000000075910000-0x000000007595C000-memory.dmp

Filesize
304KB

Download
memory/2704-81-0x0000000006F80000-0x0000000006F9A000-memory.dmp

Filesize
104KB

Download
memory/2704-29-0x0000000005630000-0x0000000005984000-memory.dmp

Filesize
3.3MB

Download
memory/2720-19-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2720-82-0x00000000073F0000-0x00000000073FA000-memory.dmp

Filesize
40KB

Download
memory/2720-80-0x00000000079D0000-0x000000000804A000-memory.dmp

Filesize
6.5MB

Download
memory/2720-30-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2720-79-0x0000000007230000-0x00000000072D3000-memory.dmp

Filesize
652KB

Download
memory/2720-58-0x0000000075910000-0x000000007595C000-memory.dmp

Filesize
304KB

Download
memory/2720-69-0x0000000006FC0000-0x0000000006FDE000-memory.dmp

Filesize
120KB

Download
memory/2720-21-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2720-18-0x0000000002760000-0x0000000002796000-memory.dmp

Filesize
216KB

Download
memory/2720-97-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4384-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-120-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-134-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-133-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-132-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-131-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-130-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-129-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-126-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-125-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-123-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-124-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-122-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-121-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-107-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-110-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-113-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-114-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-116-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-117-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4572-7-0x00000000062B0000-0x0000000006398000-memory.dmp

Filesize
928KB

Download
memory/4572-9-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/4572-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/4572-4-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4572-5-0x0000000004E30000-0x0000000004E3A000-memory.dmp

Filesize
40KB

Download
memory/4572-6-0x0000000005120000-0x00000000051BC000-memory.dmp

Filesize
624KB

Download
memory/4572-2-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/4572-12-0x00000000053F0000-0x0000000005400000-memory.dmp

Filesize
64KB

Download
memory/4572-1-0x0000000000470000-0x000000000056C000-memory.dmp

Filesize
1008KB

Download
memory/4572-0-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/4572-8-0x00000000053C0000-0x00000000053DA000-memory.dmp

Filesize
104KB

Download
memory/4572-10-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4572-11-0x00000000053E0000-0x00000000053EC000-memory.dmp

Filesize
48KB

Download
memory/4572-13-0x00000000063C0000-0x0000000006482000-memory.dmp

Filesize
776KB

Download
memory/4572-53-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download