remcos | be92ea3d3f4d480c7dda68d421bf4f718b7411c14da94f1077d9debc40f29b95

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 02:03

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General

Target

Quotation.exe
Size

990KB
MD5

ba0b6a9d6f493e8d718bbf796214900a
SHA1

0ac69c8653301edaca3beb1425b153689450a94e
SHA256

1efe29ca00c9e7c69c46dc8139204716a36b6074647f3ec4fb06e2ac6576d496
SHA512

ca401de6afbda29aec66bd0d03ab677790e3916b5b11c25a5326924c9a93df76dc82d909cc8bcf05db68e8753990ab4b8bb83016a6ef1cba43e0460113fd2195
SSDEEP

24576:2/J4LmzwMnIKb2RTysbOfUgZPLDxXWhFNA9V80Th6BqvRZe:MrDnIFReDfUgZPhVTM0pZ

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
4620	powershell.exe
4456	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Quotation.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 2316	2156	Quotation.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	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
4724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2156	Quotation.exe
4456	powershell.exe
4620	powershell.exe
2156	Quotation.exe
4620	powershell.exe
4456	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	Quotation.exe
Token: SeDebugPrivilege	4456	powershell.exe
Token: SeDebugPrivilege	4620	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 4620	2156	Quotation.exe	96
PID 2156 wrote to memory of 4620	2156	Quotation.exe	96
PID 2156 wrote to memory of 4620	2156	Quotation.exe	96
PID 2156 wrote to memory of 4456	2156	Quotation.exe	98
PID 2156 wrote to memory of 4456	2156	Quotation.exe	98
PID 2156 wrote to memory of 4456	2156	Quotation.exe	98
PID 2156 wrote to memory of 4724	2156	Quotation.exe	100
PID 2156 wrote to memory of 4724	2156	Quotation.exe	100
PID 2156 wrote to memory of 4724	2156	Quotation.exe	100
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102
PID 2156 wrote to memory of 2316	2156	Quotation.exe	102

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:2156
- 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:4620
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DUvXyihvzUp.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4456
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DUvXyihvzUp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36BB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4724
- C:\Users\Admin\AppData\Local\Temp\Quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316

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\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
7f69aefe5b29bc5247ff1ba68b46395d

SHA1
53493ada5e5d0ff39a73117c6bbbec0457947ca9

SHA256
ab5da10aad6497d2fad120e40b330512ad9aa53e41395905400bc0e8399bc1a1

SHA512
23b15f2ac0b21c9b4a2859d3f61b1553f35d534a7898d2a39379581d604178862cf676c127558e9f239f3b83511e9840805dd55d10cbc7efcd3dc0933751f6be

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jifokd0d.3j1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp36BB.tmp

Filesize
1KB

MD5
009d39b025c1165369b3f79755801959

SHA1
d9bd7149d5fdb512a8d27d8cf6eedcc564269267

SHA256
79c5167cb4bda41c76de6e63ca01e0cd39a3682b109394db8faf1541f8c708e4

SHA512
a9dad884edf7c5dcbd9e9d7eb323d552402223551d3cfc39bd8906cdf75db6242edf270f1103f5fdc6fdf31f8a43c58870007ca83319daaaa172a9131a48d20e

Download Submit
memory/2156-9-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2156-3-0x0000000005430000-0x00000000054C2000-memory.dmp

Filesize
584KB

Download
memory/2156-5-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2156-1-0x0000000000970000-0x0000000000A6E000-memory.dmp

Filesize
1016KB

Download
memory/2156-7-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/2156-2-0x0000000005AB0000-0x0000000006054000-memory.dmp

Filesize
5.6MB

Download
memory/2156-51-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2156-10-0x000000000AB70000-0x000000000AC34000-memory.dmp

Filesize
784KB

Download
memory/2156-8-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/2156-4-0x0000000005510000-0x000000000551A000-memory.dmp

Filesize
40KB

Download
memory/2156-6-0x0000000005730000-0x00000000057CC000-memory.dmp

Filesize
624KB

Download
memory/2156-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/2316-102-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-97-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-99-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-100-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-98-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-101-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-103-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-50-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-92-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-49-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-93-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-96-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-95-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2316-94-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4456-44-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4456-22-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4456-67-0x0000000075BC0000-0x0000000075C0C000-memory.dmp

Filesize
304KB

Download
memory/4456-35-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4456-91-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4456-84-0x0000000007690000-0x00000000076AA000-memory.dmp

Filesize
104KB

Download
memory/4456-83-0x0000000007590000-0x00000000075A4000-memory.dmp

Filesize
80KB

Download
memory/4620-18-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4620-79-0x0000000007590000-0x000000000759A000-memory.dmp

Filesize
40KB

Download
memory/4620-80-0x00000000077A0000-0x0000000007836000-memory.dmp

Filesize
600KB

Download
memory/4620-81-0x0000000007720000-0x0000000007731000-memory.dmp

Filesize
68KB

Download
memory/4620-82-0x0000000007750000-0x000000000775E000-memory.dmp

Filesize
56KB

Download
memory/4620-76-0x0000000007B90000-0x000000000820A000-memory.dmp

Filesize
6.5MB

Download
memory/4620-78-0x0000000007530000-0x000000000754A000-memory.dmp

Filesize
104KB

Download
memory/4620-85-0x0000000007840000-0x0000000007848000-memory.dmp

Filesize
32KB

Download
memory/4620-54-0x0000000007180000-0x00000000071B2000-memory.dmp

Filesize
200KB

Download
memory/4620-90-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4620-65-0x0000000007140000-0x000000000715E000-memory.dmp

Filesize
120KB

Download
memory/4620-66-0x00000000071C0000-0x0000000007263000-memory.dmp

Filesize
652KB

Download
memory/4620-55-0x0000000075BC0000-0x0000000075C0C000-memory.dmp

Filesize
304KB

Download
memory/4620-19-0x0000000005320000-0x0000000005342000-memory.dmp

Filesize
136KB

Download
memory/4620-45-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4620-53-0x00000000062B0000-0x00000000062FC000-memory.dmp

Filesize
304KB

Download
memory/4620-52-0x00000000061D0000-0x00000000061EE000-memory.dmp

Filesize
120KB

Download
memory/4620-28-0x0000000005C00000-0x0000000005F54000-memory.dmp

Filesize
3.3MB

Download
memory/4620-20-0x0000000005B10000-0x0000000005B76000-memory.dmp

Filesize
408KB

Download
memory/4620-21-0x0000000005B80000-0x0000000005BE6000-memory.dmp

Filesize
408KB

Download
memory/4620-17-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4620-16-0x0000000005370000-0x0000000005998000-memory.dmp

Filesize
6.2MB

Download
memory/4620-15-0x0000000004C30000-0x0000000004C66000-memory.dmp

Filesize
216KB

Download