remcos | b1f568bded61ea7bf8326907be78f5bddd43f3cb03be219d462917440ba1eaa7

Analysis

max time kernel
299s
max time network
298s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 00:08

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General

Target

Quotation.exe
Size

1.0MB
MD5

508fba262804a1ec8d887868d2e8ee2c
SHA1

a909187e35e60749e4da331d37599e2a29fe2b7e
SHA256

91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16
SHA512

d2d2c39a4068fb4b527fec0624f9b227c05d62f9e0636591ca73660fbc7809834b757d73ec9c92679e507f97eb5cbbbb8a842502eebe6bd565a05226d2ed00d4
SSDEEP

24576:7Odf+JAUM+bdGdzFpU3ZKA58wnTkdxNpSv8YCGJm:7yf+ZodzHU3ZK08dvNgvbCGJ

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

2.58.56.182:2404

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-GM05WY
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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
752	powershell.exe
2992	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Quotation.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2524 set thread context of 1720	2524	Quotation.exe	95

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	Quotation.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	Quotation.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
428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2524	Quotation.exe
2524	Quotation.exe
2524	Quotation.exe
2524	Quotation.exe
2524	Quotation.exe
2524	Quotation.exe
2992	powershell.exe
752	powershell.exe
2524	Quotation.exe
2992	powershell.exe
752	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	Quotation.exe
Token: SeDebugPrivilege	2992	powershell.exe
Token: SeDebugPrivilege	752	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 752	2524	Quotation.exe	89
PID 2524 wrote to memory of 752	2524	Quotation.exe	89
PID 2524 wrote to memory of 752	2524	Quotation.exe	89
PID 2524 wrote to memory of 2992	2524	Quotation.exe	91
PID 2524 wrote to memory of 2992	2524	Quotation.exe	91
PID 2524 wrote to memory of 2992	2524	Quotation.exe	91
PID 2524 wrote to memory of 428	2524	Quotation.exe	93
PID 2524 wrote to memory of 428	2524	Quotation.exe	93
PID 2524 wrote to memory of 428	2524	Quotation.exe	93
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95
PID 2524 wrote to memory of 1720	2524	Quotation.exe	95

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.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:2524
- 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\Quotation.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:752
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vFEnLODNRoht.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2992
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vFEnLODNRoht" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9A7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:428
- C:\Users\Admin\AppData\Local\Temp\Quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1720

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

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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
05edce18a57ec2386433a90a25cd8976

SHA1
2f78db930f97d2dcfd785f4f1c31cd05dca55e09

SHA256
04663f89a20d84a141abaec208ba77a1008effb75acc6fe7588c3c8f6212c75a

SHA512
ee8e219d7e64ea0d81101110913570283f28ad691b7466b07329aaddebb84432aa2cc03008c47fae4d65bb101fd45e2758e4b25e88f0e1e5ac73c453559c893c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cmali0ti.htd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD9A7.tmp

Filesize
1KB

MD5
619f205247b94b8b663d88706b6f9b8e

SHA1
aa5a8a4570eb8e81a8bfad40b0391d2c9c488213

SHA256
8f3ad68bf8509ab59b19419075c3a4f8d804776e0830fe986761458ab7279248

SHA512
55ec342276f7c8b5ab149c944114339c17910d68c75db93db944ec4a697e17d98d43fd03b00d6572cdbd1d5c34655cfcba5e39dd23e89d0e86faa1d172fe914b

Download Submit
memory/752-86-0x0000000007D70000-0x0000000007D81000-memory.dmp

Filesize
68KB

Download
memory/752-87-0x0000000007DA0000-0x0000000007DAE000-memory.dmp

Filesize
56KB

Download
memory/752-90-0x0000000007E90000-0x0000000007E98000-memory.dmp

Filesize
32KB

Download
memory/752-85-0x0000000007DF0000-0x0000000007E86000-memory.dmp

Filesize
600KB

Download
memory/752-83-0x0000000007B70000-0x0000000007B8A000-memory.dmp

Filesize
104KB

Download
memory/752-72-0x000000006FBB0000-0x000000006FBFC000-memory.dmp

Filesize
304KB

Download
memory/752-96-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/752-15-0x0000000002F20000-0x0000000002F56000-memory.dmp

Filesize
216KB

Download
memory/752-16-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/752-17-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/752-24-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/1720-56-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-98-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-113-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-112-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-111-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-110-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-109-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-108-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-107-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-106-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-47-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-50-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-105-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-104-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-103-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-55-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-54-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-102-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-58-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-101-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-100-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1720-99-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2524-51-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2524-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/2524-10-0x000000000AB20000-0x000000000ABE4000-memory.dmp

Filesize
784KB

Download
memory/2524-8-0x000000007518E000-0x000000007518F000-memory.dmp

Filesize
4KB

Download
memory/2524-0-0x000000007518E000-0x000000007518F000-memory.dmp

Filesize
4KB

Download
memory/2524-7-0x0000000006030000-0x0000000006056000-memory.dmp

Filesize
152KB

Download
memory/2524-6-0x00000000056B0000-0x000000000574C000-memory.dmp

Filesize
624KB

Download
memory/2524-5-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2524-9-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2524-1-0x0000000000950000-0x0000000000A62000-memory.dmp

Filesize
1.1MB

Download
memory/2524-4-0x0000000005460000-0x000000000546A000-memory.dmp

Filesize
40KB

Download
memory/2524-3-0x0000000005470000-0x0000000005502000-memory.dmp

Filesize
584KB

Download
memory/2992-71-0x0000000006A30000-0x0000000006AD3000-memory.dmp

Filesize
652KB

Download
memory/2992-22-0x0000000004A30000-0x0000000004A96000-memory.dmp

Filesize
408KB

Download
memory/2992-97-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2992-88-0x0000000006FC0000-0x0000000006FD4000-memory.dmp

Filesize
80KB

Download
memory/2992-70-0x0000000006010000-0x000000000602E000-memory.dmp

Filesize
120KB

Download
memory/2992-59-0x0000000006030000-0x0000000006062000-memory.dmp

Filesize
200KB

Download
memory/2992-60-0x000000006FBB0000-0x000000006FBFC000-memory.dmp

Filesize
304KB

Download
memory/2992-84-0x0000000006DF0000-0x0000000006DFA000-memory.dmp

Filesize
40KB

Download
memory/2992-53-0x0000000005D60000-0x0000000005DAC000-memory.dmp

Filesize
304KB

Download
memory/2992-89-0x00000000070C0000-0x00000000070DA000-memory.dmp

Filesize
104KB

Download
memory/2992-52-0x0000000005A60000-0x0000000005A7E000-memory.dmp

Filesize
120KB

Download
memory/2992-82-0x00000000073D0000-0x0000000007A4A000-memory.dmp

Filesize
6.5MB

Download
memory/2992-36-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2992-18-0x0000000004C40000-0x0000000005268000-memory.dmp

Filesize
6.2MB

Download
memory/2992-30-0x00000000053F0000-0x0000000005744000-memory.dmp

Filesize
3.3MB

Download
memory/2992-19-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2992-20-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2992-23-0x0000000004BA0000-0x0000000004C06000-memory.dmp

Filesize
408KB

Download
memory/2992-21-0x0000000004990000-0x00000000049B2000-memory.dmp

Filesize
136KB

Download