remcos | 31e0cd7edfc93d1dc62c9698e148d6251312de5e0a9e9aad25aa72d8a4b859be

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2025, 19:00

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General

Target

Paymanet-Slip...pdf.exe
Size

1.3MB
MD5

2c517ece7a49eb26047fcd73720b2fb7
SHA1

35bbc93759262ef512535133cd09999994fa661e
SHA256

bdfa0dac2858c88c72846b9e0df321db883b43e3004c25b5fed3a3d132ff1452
SHA512

513c2a26218d2a7acc82e38a625bfae8ce69e09f75975fb6135d0c0f34a9552bacefa13836d3188222d00acf5e4b2c18317ac2384e92f010c95e7a9a0c6ece77
SSDEEP

24576:JaHUIpi9GSVmtaS/l4RQVc4WP17DgVGsMbWzim0CY8iMo6btj:JaHUIpaGS1S/l4RZZvgV/Lg8iMJB

Score

10^/10

remcos feb 16 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

FEB 16

austin99.duckdns.org:9373

103.186.117.61:9373

heksaa3030.redirectme.net:9373

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-YHG6AC
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
Remcos family
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
636	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
51	1416	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-1-5-21-3932017190-1449707826-1445630-1000\Control Panel\International\Geo\Nation	Paymanet-Slip...pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4932 set thread context of 888	4932	Paymanet-Slip...pdf.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	Paymanet-Slip...pdf.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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Paymanet-Slip...pdf.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
2016	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
2008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4932	Paymanet-Slip...pdf.exe
4932	Paymanet-Slip...pdf.exe
4932	Paymanet-Slip...pdf.exe
4932	Paymanet-Slip...pdf.exe
636	powershell.exe
636	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4932	Paymanet-Slip...pdf.exe
Token: SeDebugPrivilege	636	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
888	Paymanet-Slip...pdf.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 636	4932	Paymanet-Slip...pdf.exe	90
PID 4932 wrote to memory of 636	4932	Paymanet-Slip...pdf.exe	90
PID 4932 wrote to memory of 636	4932	Paymanet-Slip...pdf.exe	90
PID 4932 wrote to memory of 2008	4932	Paymanet-Slip...pdf.exe	92
PID 4932 wrote to memory of 2008	4932	Paymanet-Slip...pdf.exe	92
PID 4932 wrote to memory of 2008	4932	Paymanet-Slip...pdf.exe	92
PID 4932 wrote to memory of 3968	4932	Paymanet-Slip...pdf.exe	94
PID 4932 wrote to memory of 3968	4932	Paymanet-Slip...pdf.exe	94
PID 4932 wrote to memory of 3968	4932	Paymanet-Slip...pdf.exe	94
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95
PID 4932 wrote to memory of 888	4932	Paymanet-Slip...pdf.exe	95

C:\Users\Admin\AppData\Local\Temp\Paymanet-Slip...pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Paymanet-Slip...pdf.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:4932
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wHvyxbhqGTWv.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:636
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wHvyxbhqGTWv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDE8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2008
- C:\Users\Admin\AppData\Local\Temp\Paymanet-Slip...pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Paymanet-Slip...pdf.exe"
  2⤵
  PID:3968
- C:\Users\Admin\AppData\Local\Temp\Paymanet-Slip...pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Paymanet-Slip...pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:888

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7ODAxNjc1MUEtN0FBMC00MkMyLTk3NjQtRDIzQzM2NkNEQjlBfSIgdXNlcmlkPSJ7NjJGRjM5OEUtM0I1NC00MzFGLTlDMTctMDBFMkVBODkxOTYzfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7RTVDOTg5NTYtMzNGMi00MThELTkwQjMtQTIwNDQ1RkZCQzZGfSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI5IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDQzNzU3MDY0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2016

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\remcos\logs.dat

Filesize
144B

MD5
88245e7fbe35fd2e84f2f92a42327bb7

SHA1
7accb2cfacddcdd631c7ea70229f3f731672b58b

SHA256
b04c86fea500cdccedd3808562488411dc54c3ce71f296ba8ca8a2215212e5e8

SHA512
a88c80d9b483ae1b6ad1fd7ff7acc5de63576992d3751f1157ad51c9b716efe9a3b5e0671fd64f9fed8f75cabdb229ddd609b74ce6af2b8be4bf5eff4f4556a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fqdtvu32.sv5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFDE8.tmp

Filesize
1KB

MD5
26300de9296a05a90746fede6558c8f8

SHA1
a6b2402ae8dba9ffccc120d24456f264bcefdaeb

SHA256
5eb05e22f6c1e7cb7f6ed9f16d825edd849cafcf17c406fc07d3afd13bbdd54e

SHA512
fc199293f6f17bcd83870cf6e8af4758f2f13e63d6019200a630be8a05ab5e695d8ea33b89736377b31d2de13cc243bfbc3b63c144692857370915b26b606f86

Download Submit
memory/636-44-0x0000000006050000-0x000000000606E000-memory.dmp

Filesize
120KB

Download
memory/636-43-0x0000000005B60000-0x0000000005EB4000-memory.dmp

Filesize
3.3MB

Download
memory/636-45-0x00000000060A0000-0x00000000060EC000-memory.dmp

Filesize
304KB

Download
memory/636-70-0x00000000739B0000-0x0000000074160000-memory.dmp

Filesize
7.7MB

Download
memory/636-66-0x00000000076E0000-0x00000000076FA000-memory.dmp

Filesize
104KB

Download
memory/636-67-0x00000000076C0000-0x00000000076C8000-memory.dmp

Filesize
32KB

Download
memory/636-65-0x00000000075E0000-0x00000000075F4000-memory.dmp

Filesize
80KB

Download
memory/636-46-0x0000000007030000-0x0000000007062000-memory.dmp

Filesize
200KB

Download
memory/636-15-0x0000000002750000-0x0000000002786000-memory.dmp

Filesize
216KB

Download
memory/636-64-0x00000000075D0000-0x00000000075DE000-memory.dmp

Filesize
56KB

Download
memory/636-17-0x00000000739B0000-0x0000000074160000-memory.dmp

Filesize
7.7MB

Download
memory/636-19-0x00000000739B0000-0x0000000074160000-memory.dmp

Filesize
7.7MB

Download
memory/636-18-0x0000000005260000-0x0000000005888000-memory.dmp

Filesize
6.2MB

Download
memory/636-63-0x00000000075A0000-0x00000000075B1000-memory.dmp

Filesize
68KB

Download
memory/636-21-0x00000000739B0000-0x0000000074160000-memory.dmp

Filesize
7.7MB

Download
memory/636-62-0x0000000007620000-0x00000000076B6000-memory.dmp

Filesize
600KB

Download
memory/636-61-0x0000000007410000-0x000000000741A000-memory.dmp

Filesize
40KB

Download
memory/636-59-0x00000000079E0000-0x000000000805A000-memory.dmp

Filesize
6.5MB

Download
memory/636-60-0x00000000073A0000-0x00000000073BA000-memory.dmp

Filesize
104KB

Download
memory/636-58-0x0000000007070000-0x0000000007113000-memory.dmp

Filesize
652KB

Download
memory/636-32-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download
memory/636-57-0x0000000006630000-0x000000000664E000-memory.dmp

Filesize
120KB

Download
memory/636-33-0x0000000005970000-0x00000000059D6000-memory.dmp

Filesize
408KB

Download
memory/636-31-0x00000000051D0000-0x00000000051F2000-memory.dmp

Filesize
136KB

Download
memory/636-47-0x00000000710D0000-0x000000007111C000-memory.dmp

Filesize
304KB

Download
memory/888-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-83-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-109-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-94-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-93-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-86-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-84-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/888-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4932-6-0x0000000007480000-0x000000000749E000-memory.dmp

Filesize
120KB

Download
memory/4932-1-0x0000000000EE0000-0x000000000103A000-memory.dmp

Filesize
1.4MB

Download
memory/4932-7-0x00000000739BE000-0x00000000739BF000-memory.dmp

Filesize
4KB

Download
memory/4932-5-0x00000000739B0000-0x0000000074160000-memory.dmp

Filesize
7.7MB

Download
memory/4932-4-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/4932-8-0x00000000739B0000-0x0000000074160000-memory.dmp

Filesize
7.7MB

Download
memory/4932-9-0x00000000072C0000-0x0000000007380000-memory.dmp

Filesize
768KB

Download
memory/4932-3-0x0000000005A40000-0x0000000005AD2000-memory.dmp

Filesize
584KB

Download
memory/4932-0-0x00000000739BE000-0x00000000739BF000-memory.dmp

Filesize
4KB

Download
memory/4932-30-0x00000000739B0000-0x0000000074160000-memory.dmp

Filesize
7.7MB

Download
memory/4932-2-0x0000000005FF0000-0x0000000006594000-memory.dmp

Filesize
5.6MB

Download
memory/4932-10-0x000000000E050000-0x000000000E0EC000-memory.dmp

Filesize
624KB

Download