remcos | 79732670234d723da588faab41efbaeeb0708fdd15fa283a7322b91963d41b6e

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 02:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Quotation.exe
Size

899KB
MD5

9704ccf025eb5b76cf9485718a5ae9ba
SHA1

1a50054fb88f8667ea346a9cfd4ffa501ff491fe
SHA256

1c022ec2400c0c5197aa32cef3182a09a13213dedfe1db71fc18c6d399571ed9
SHA512

02a54924f0f6de0b7df557fc0606f372fb52d70dc950e843195aacbf6b1f12f2a0d0a879be79c5c2da4b2bd9a159a0948b1a3dc594ba9227a345cf792c55e038
SSDEEP

12288:qEXIarzS1y2y5bQqTIl7ahRvVDAJU+Ib9/xyDszk1rCMNcEBVhj2MVOEjctICdch:SaaBGvlh1+fIbTZklf32MsactInKkE

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

spacesave.duckdns.org:14645

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-RLABK3
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
4616	powershell.exe
2140	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	Quotation.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 3472	2252	Quotation.exe	99

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	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

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
2652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4616	powershell.exe
2140	powershell.exe
4616	powershell.exe
2140	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	2140	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 4616	2252	Quotation.exe	93
PID 2252 wrote to memory of 4616	2252	Quotation.exe	93
PID 2252 wrote to memory of 4616	2252	Quotation.exe	93
PID 2252 wrote to memory of 2140	2252	Quotation.exe	95
PID 2252 wrote to memory of 2140	2252	Quotation.exe	95
PID 2252 wrote to memory of 2140	2252	Quotation.exe	95
PID 2252 wrote to memory of 2652	2252	Quotation.exe	97
PID 2252 wrote to memory of 2652	2252	Quotation.exe	97
PID 2252 wrote to memory of 2652	2252	Quotation.exe	97
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99
PID 2252 wrote to memory of 3472	2252	Quotation.exe	99

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 use of WriteProcessMemory
PID:2252
- 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:4616
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wCnzGs.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2140
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wCnzGs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEBF6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2652
- C:\Users\Admin\AppData\Local\Temp\Quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3472

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
03797e53e1221455ee9958265a02fb0d

SHA1
54ea57e090b5fc7f4c3d99da19f841a22cadc5e7

SHA256
db5a5ae99f9e148e8797a420ab19f407b308e02072d609f4cb5b2a6158557464

SHA512
d805ee361dd70e8e66892e600d57e10a2ede7a18fe52316ef90cf4578ca0b1e678c4792caa3f6f6f648846e8db8225f02e52f7da46b642ebe99280997b87f915

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kt2uhh3d.5sl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEBF6.tmp

Filesize
1KB

MD5
f2b0c8540314fa553275dc2f7f7fdcdf

SHA1
faca235eb3b22999b621013386ee26e9723166ae

SHA256
121c03b996bb668713dd87b1788e094c49650c7bfb8ca72dc3925f1a0d07aa8c

SHA512
29f8a348263b10615827556aaab8fabab71566923684fee1a640d2838f0b128675c8caff3ff7a507b2a299fdf3eae3d80492f3d31e1085cb97892ee9ef043cf5

Download Submit
memory/2140-95-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2140-89-0x0000000007160000-0x0000000007168000-memory.dmp

Filesize
32KB

Download
memory/2140-82-0x00000000070C0000-0x0000000007156000-memory.dmp

Filesize
600KB

Download
memory/2140-30-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2140-35-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2140-68-0x0000000073A40000-0x0000000073A8C000-memory.dmp

Filesize
304KB

Download
memory/2140-87-0x0000000007080000-0x0000000007094000-memory.dmp

Filesize
80KB

Download
memory/2140-88-0x0000000007180000-0x000000000719A000-memory.dmp

Filesize
104KB

Download
memory/2140-83-0x0000000007040000-0x0000000007051000-memory.dmp

Filesize
68KB

Download
memory/2252-1-0x00000000004C0000-0x00000000005A6000-memory.dmp

Filesize
920KB

Download
memory/2252-6-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/2252-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/2252-49-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2252-8-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2252-9-0x0000000006460000-0x0000000006520000-memory.dmp

Filesize
768KB

Download
memory/2252-10-0x000000000A160000-0x000000000A1FC000-memory.dmp

Filesize
624KB

Download
memory/2252-4-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2252-3-0x0000000004F80000-0x0000000005012000-memory.dmp

Filesize
584KB

Download
memory/2252-7-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/2252-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/2252-5-0x0000000005040000-0x000000000504A000-memory.dmp

Filesize
40KB

Download
memory/3472-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-101-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3472-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4616-21-0x0000000005BB0000-0x0000000005C16000-memory.dmp

Filesize
408KB

Download
memory/4616-80-0x0000000007060000-0x000000000706A000-memory.dmp

Filesize
40KB

Download
memory/4616-78-0x0000000007630000-0x0000000007CAA000-memory.dmp

Filesize
6.5MB

Download
memory/4616-79-0x0000000006FE0000-0x0000000006FFA000-memory.dmp

Filesize
104KB

Download
memory/4616-86-0x0000000007210000-0x000000000721E000-memory.dmp

Filesize
56KB

Download
memory/4616-65-0x0000000006E20000-0x0000000006E3E000-memory.dmp

Filesize
120KB

Download
memory/4616-67-0x0000000006EA0000-0x0000000006F43000-memory.dmp

Filesize
652KB

Download
memory/4616-53-0x0000000006E60000-0x0000000006E92000-memory.dmp

Filesize
200KB

Download
memory/4616-54-0x0000000073A40000-0x0000000073A8C000-memory.dmp

Filesize
304KB

Download
memory/4616-96-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4616-52-0x0000000005D90000-0x0000000005DDC000-memory.dmp

Filesize
304KB

Download
memory/4616-50-0x0000000005B50000-0x0000000005B6E000-memory.dmp

Filesize
120KB

Download
memory/4616-22-0x0000000005580000-0x00000000058D4000-memory.dmp

Filesize
3.3MB

Download
memory/4616-23-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4616-19-0x0000000004D10000-0x0000000004D32000-memory.dmp

Filesize
136KB

Download
memory/4616-20-0x0000000004E30000-0x0000000004E96000-memory.dmp

Filesize
408KB

Download
memory/4616-17-0x0000000004F50000-0x0000000005578000-memory.dmp

Filesize
6.2MB

Download
memory/4616-18-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4616-16-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4616-15-0x0000000002390000-0x00000000023C6000-memory.dmp

Filesize
216KB

Download