remcos | 641c7a85c8e5fa2acfd3c75abd60f9621267392a2ac8de3695a68985e474ffe1

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-09-2024 10:16

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General

Target

Trojan.Win32.exe
Size

911KB
MD5

5fa35f95fcde854ab3597e772806d130
SHA1

ae86292275be173522c5f67ecec11b1a7d891601
SHA256

641c7a85c8e5fa2acfd3c75abd60f9621267392a2ac8de3695a68985e474ffe1
SHA512

6182245cf86fa5ec728f38ef9275ec67372793abfa6e508f492f8e761cecc3ca4cc031f8e73f5d0d06cb5544dfcc38e022bc7a262366ef8611d98018105a0d1f
SSDEEP

24576:lJorJR8YGIrpDXDoSWdLhaP7pNALylx3SZfUgbHjtFh:lyNXGoTIzq7ELyL3cUsRFh

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:56765

127.0.0.1:45645

latestgrace2024.duckdns.org:45645

latestgrace2024.duckdns.org:56765

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-NXBY7S
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3116	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	Trojan.Win32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3308 set thread context of 1160	3308	Trojan.Win32.exe	94

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 3 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	Trojan.Win32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.Win32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3308	Trojan.Win32.exe
3308	Trojan.Win32.exe
3308	Trojan.Win32.exe
3308	Trojan.Win32.exe
3308	Trojan.Win32.exe
3308	Trojan.Win32.exe
3116	powershell.exe
3116	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3308	Trojan.Win32.exe
Token: SeDebugPrivilege	3116	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 3116	3308	Trojan.Win32.exe	89
PID 3308 wrote to memory of 3116	3308	Trojan.Win32.exe	89
PID 3308 wrote to memory of 3116	3308	Trojan.Win32.exe	89
PID 3308 wrote to memory of 3448	3308	Trojan.Win32.exe	91
PID 3308 wrote to memory of 3448	3308	Trojan.Win32.exe	91
PID 3308 wrote to memory of 3448	3308	Trojan.Win32.exe	91
PID 3308 wrote to memory of 3516	3308	Trojan.Win32.exe	92
PID 3308 wrote to memory of 3516	3308	Trojan.Win32.exe	92
PID 3308 wrote to memory of 3516	3308	Trojan.Win32.exe	92
PID 3308 wrote to memory of 716	3308	Trojan.Win32.exe	93
PID 3308 wrote to memory of 716	3308	Trojan.Win32.exe	93
PID 3308 wrote to memory of 716	3308	Trojan.Win32.exe	93
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94
PID 3308 wrote to memory of 1160	3308	Trojan.Win32.exe	94

C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.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:3308
- 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\Trojan.Win32.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3116
- C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.exe"
  2⤵
  PID:3448
- C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.exe"
  2⤵
  PID:3516
- C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.exe"
  2⤵
  PID:716
- C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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\Temp\__PSScriptPolicyTest_3jxwkouk.egx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1160-93-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-122-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-120-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-119-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-118-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-116-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-115-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-114-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-113-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-111-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-110-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-109-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-108-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-107-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-106-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-95-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-94-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-92-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-91-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-90-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-88-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-87-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-86-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-85-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-117-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-84-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-83-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1160-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3116-35-0x0000000005E20000-0x0000000006174000-memory.dmp

Filesize
3.3MB

Download
memory/3116-38-0x00000000073A0000-0x00000000073D2000-memory.dmp

Filesize
200KB

Download
memory/3116-22-0x00000000055A0000-0x0000000005BC8000-memory.dmp

Filesize
6.2MB

Download
memory/3116-64-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3116-61-0x0000000007A30000-0x0000000007A38000-memory.dmp

Filesize
32KB

Download
memory/3116-60-0x0000000007A50000-0x0000000007A6A000-memory.dmp

Filesize
104KB

Download
memory/3116-59-0x0000000007950000-0x0000000007964000-memory.dmp

Filesize
80KB

Download
memory/3116-58-0x0000000007940000-0x000000000794E000-memory.dmp

Filesize
56KB

Download
memory/3116-57-0x0000000007910000-0x0000000007921000-memory.dmp

Filesize
68KB

Download
memory/3116-56-0x0000000007990000-0x0000000007A26000-memory.dmp

Filesize
600KB

Download
memory/3116-18-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/3116-55-0x0000000007780000-0x000000000778A000-memory.dmp

Filesize
40KB

Download
memory/3116-54-0x0000000007710000-0x000000000772A000-memory.dmp

Filesize
104KB

Download
memory/3116-53-0x0000000007D50000-0x00000000083CA000-memory.dmp

Filesize
6.5MB

Download
memory/3116-52-0x00000000073E0000-0x0000000007483000-memory.dmp

Filesize
652KB

Download
memory/3116-49-0x0000000007380000-0x000000000739E000-memory.dmp

Filesize
120KB

Download
memory/3116-39-0x0000000071920000-0x000000007196C000-memory.dmp

Filesize
304KB

Download
memory/3116-37-0x0000000006560000-0x00000000065AC000-memory.dmp

Filesize
304KB

Download
memory/3116-36-0x00000000063E0000-0x00000000063FE000-memory.dmp

Filesize
120KB

Download
memory/3116-19-0x0000000002B10000-0x0000000002B46000-memory.dmp

Filesize
216KB

Download
memory/3116-20-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3116-25-0x0000000005CB0000-0x0000000005D16000-memory.dmp

Filesize
408KB

Download
memory/3116-24-0x0000000005BD0000-0x0000000005C36000-memory.dmp

Filesize
408KB

Download
memory/3116-23-0x0000000005440000-0x0000000005462000-memory.dmp

Filesize
136KB

Download
memory/3308-1-0x0000000000E20000-0x0000000000F0A000-memory.dmp

Filesize
936KB

Download
memory/3308-21-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3308-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

Filesize
5.6MB

Download
memory/3308-0-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/3308-10-0x0000000009A30000-0x0000000009ACC000-memory.dmp

Filesize
624KB

Download
memory/3308-9-0x0000000007400000-0x00000000074BE000-memory.dmp

Filesize
760KB

Download
memory/3308-8-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3308-7-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/3308-6-0x0000000005C00000-0x0000000005C10000-memory.dmp

Filesize
64KB

Download
memory/3308-5-0x0000000005AB0000-0x0000000005ABA000-memory.dmp

Filesize
40KB

Download
memory/3308-4-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3308-3-0x00000000058E0000-0x0000000005972000-memory.dmp

Filesize
584KB

Download