remcos | 0da22c340fbafbe02cff4b67706bac0c08c8de02846754e19820beb48070d222

Analysis

max time kernel
149s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
10-02-2025 10:27

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General

Target

fp8N0KDGAqlhmkD.exe
Size

974KB
MD5

2e41d04e9012ed4dcfa86a63175992ac
SHA1

4b7c733e464500833e364eca4c493de2b2ced3b0
SHA256

3cb79b389e24d9c7cb87e631b41e0cf3a83b18d7205c7808266d9221928294c2
SHA512

88356731abf96745bf93fbccb5ca3eac56190b4fd4a5ab16b9932f74080621f27902560a4a9071113b10b0cbc7d0d39449f87573b2f8d4f5a43087b6e0acb5c2
SSDEEP

24576:+bYUdN6DuMFPmciYaUQbQKxAUg/u+SycwoYPjlfL:+XdNIuiecX+vsSyqYdL

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

tjwpn04kn.localto.net:2247

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
hytg
mouse_option
false
mutex
Rmc-JD0XH1
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
4240	powershell.exe
2024	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
29	1760	Process not Found

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-1-5-21-3591594829-2464889670-1367169939-1000\Control Panel\International\Geo\Nation	fp8N0KDGAqlhmkD.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 60 set thread context of 4536	60	fp8N0KDGAqlhmkD.exe	97

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 7 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	fp8N0KDGAqlhmkD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2484	MicrosoftEdgeUpdate.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
2720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
60	fp8N0KDGAqlhmkD.exe
4240	powershell.exe
2024	powershell.exe
60	fp8N0KDGAqlhmkD.exe
4240	powershell.exe
2024	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	60	fp8N0KDGAqlhmkD.exe
Token: SeDebugPrivilege	4240	powershell.exe
Token: SeDebugPrivilege	2024	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4536	vbc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 60 wrote to memory of 4240	60	fp8N0KDGAqlhmkD.exe	91
PID 60 wrote to memory of 4240	60	fp8N0KDGAqlhmkD.exe	91
PID 60 wrote to memory of 4240	60	fp8N0KDGAqlhmkD.exe	91
PID 60 wrote to memory of 2024	60	fp8N0KDGAqlhmkD.exe	93
PID 60 wrote to memory of 2024	60	fp8N0KDGAqlhmkD.exe	93
PID 60 wrote to memory of 2024	60	fp8N0KDGAqlhmkD.exe	93
PID 60 wrote to memory of 2720	60	fp8N0KDGAqlhmkD.exe	95
PID 60 wrote to memory of 2720	60	fp8N0KDGAqlhmkD.exe	95
PID 60 wrote to memory of 2720	60	fp8N0KDGAqlhmkD.exe	95
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97
PID 60 wrote to memory of 4536	60	fp8N0KDGAqlhmkD.exe	97

C:\Users\Admin\AppData\Local\Temp\fp8N0KDGAqlhmkD.exe
"C:\Users\Admin\AppData\Local\Temp\fp8N0KDGAqlhmkD.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:60
- 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\fp8N0KDGAqlhmkD.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4240
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QkLFHHdCPdqG.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2024
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QkLFHHdCPdqG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2390.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2720
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4536

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ua /installsource core
1⤵
- System Location Discovery: System Language Discovery
PID:3424

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mjg4MTE4NjM2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2484

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log

Filesize
441KB

MD5
5f26dbbfb585d6c2f5ee1f3f465d06a6

SHA1
e22a5c51812267e22d2442b4f28d32fa0e215350

SHA256
0e3c19f0e7bf88fcfb293aa49ab3cd8420cb3c379ec43a8c309a42f6444c1f93

SHA512
9022762071f376c5eef41454284f66849452f53ef0c2b9bec6f5fa257ef622cf50c6cff84413c5101bbbb7248618b9c0b54cf0af8e6ea2556c885b70110fa612

Download Submit
C:\ProgramData\hytg\logs.dat

Filesize
144B

MD5
bef4b27d1f9b7b7e40b6e7d7f44bcaa2

SHA1
dcea946f7e026543091493675ec74a2cd690d0c1

SHA256
623a9d3ced662521b0277f873ea2c00920a0980ec8ca3858483d4ee55065cfdd

SHA512
0f126c15e5fdb7fa580d6b5bca325feb7aec1725922f9da802e88cf4cb6c52a44430f7f1c2f4be89c29163e7b9b24582ededab4947231236d113eccf1bb77fa4

Download Submit
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
dad06b078ae9012e0c4a9ea136401269

SHA1
f6274c7a5e78543efb5f50fc858684dbe67b16eb

SHA256
21876aa4d711aae7498cd4578e87036a0dbed57d552df7118a7ae47d6f99f4d5

SHA512
5fb3c5978e74aa5445f47890b5860426133ea26ad1d07a9da565bd445a4f50e28df3d6a3a13974cedc8f6954d0eaf500f7795556755ba967d1c9e2679bc5f285

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bldqhjgn.3rs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2390.tmp

Filesize
1KB

MD5
1e5cf0b59b1e979d41ed15ca345013af

SHA1
7b6bb061da9b2f7c1b2bb6fcb7c7c297371f7f3d

SHA256
f3fb73a34457308477976a752c0c9c1391fff6a0f0af244454389f4e42eeb9bb

SHA512
be5543999eb993c94116d8c8860ab9b6f0f02183fb04271e6c0e5f137a5d7e95d9a039373bdc69fab6e98ad305e1ce1b77d146ee883c1d11a7206cd9389cd37c

Download Submit
memory/60-7-0x0000000005C10000-0x0000000005C2E000-memory.dmp

Filesize
120KB

Download
memory/60-1-0x0000000000AF0000-0x0000000000BEA000-memory.dmp

Filesize
1000KB

Download
memory/60-9-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/60-10-0x000000000AEC0000-0x000000000AF82000-memory.dmp

Filesize
776KB

Download
memory/60-11-0x000000000E020000-0x000000000E0BC000-memory.dmp

Filesize
624KB

Download
memory/60-51-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/60-6-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/60-5-0x0000000005670000-0x000000000567A000-memory.dmp

Filesize
40KB

Download
memory/60-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/60-4-0x00000000055B0000-0x0000000005642000-memory.dmp

Filesize
584KB

Download
memory/60-2-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/60-8-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2024-86-0x00000000070B0000-0x00000000070C4000-memory.dmp

Filesize
80KB

Download
memory/2024-29-0x00000000054F0000-0x0000000005556000-memory.dmp

Filesize
408KB

Download
memory/2024-28-0x0000000005480000-0x00000000054E6000-memory.dmp

Filesize
408KB

Download
memory/2024-85-0x00000000070A0000-0x00000000070AE000-memory.dmp

Filesize
56KB

Download
memory/2024-81-0x00000000070F0000-0x0000000007186000-memory.dmp

Filesize
600KB

Download
memory/2024-78-0x00000000074C0000-0x0000000007B3A000-memory.dmp

Filesize
6.5MB

Download
memory/2024-50-0x0000000005660000-0x00000000059B4000-memory.dmp

Filesize
3.3MB

Download
memory/2024-56-0x0000000072FF0000-0x000000007303C000-memory.dmp

Filesize
304KB

Download
memory/2024-55-0x0000000006B10000-0x0000000006B42000-memory.dmp

Filesize
200KB

Download
memory/4240-19-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4240-79-0x0000000007800000-0x000000000781A000-memory.dmp

Filesize
104KB

Download
memory/4240-16-0x0000000004F00000-0x0000000004F36000-memory.dmp

Filesize
216KB

Download
memory/4240-66-0x0000000072FF0000-0x000000007303C000-memory.dmp

Filesize
304KB

Download
memory/4240-53-0x0000000006770000-0x00000000067BC000-memory.dmp

Filesize
304KB

Download
memory/4240-18-0x0000000005650000-0x0000000005C78000-memory.dmp

Filesize
6.2MB

Download
memory/4240-76-0x0000000007690000-0x00000000076AE000-memory.dmp

Filesize
120KB

Download
memory/4240-77-0x00000000076C0000-0x0000000007763000-memory.dmp

Filesize
652KB

Download
memory/4240-52-0x00000000064D0000-0x00000000064EE000-memory.dmp

Filesize
120KB

Download
memory/4240-87-0x0000000007B40000-0x0000000007B5A000-memory.dmp

Filesize
104KB

Download
memory/4240-80-0x0000000007870000-0x000000000787A000-memory.dmp

Filesize
40KB

Download
memory/4240-94-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4240-82-0x0000000007A00000-0x0000000007A11000-memory.dmp

Filesize
68KB

Download
memory/4240-17-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4240-20-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4240-88-0x0000000007B20000-0x0000000007B28000-memory.dmp

Filesize
32KB

Download
memory/4240-22-0x0000000005D50000-0x0000000005D72000-memory.dmp

Filesize
136KB

Download
memory/4536-49-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-84-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-83-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-45-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-54-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-102-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-103-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-111-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-112-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-119-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4536-127-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download