31e95e72229568a86e1ecb78a667befdc880599d53b460311f9913c9662f6ff6

Resubmissions

27/10/2026, 18:06

261027-wprzjae14z8

27/10/2026, 18:02

261027-wmew7awses8

27/10/2026, 18:00

261027-wljhzse12x8

Analysis

max time kernel
118s
max time network
118s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/10/2026, 18:02

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General

Target
zeroscript_connect/libcurl.dll
Size 15.3MB
Sample261027-wmew7awses
SHA256 31e95e72229568a86e1ecb78a667befdc880599d53b460311f9913c9662f6ff6
MD5 c62c0975ac885892205ba181e05d817b
SHA1 f364bf781f91986f3022abf2397fc5641dafd0ac
SHA512 0ed658ce8ebeb7ee019c707e44a464766b537af3118e366db165c67552dd77bf22b902e2f2fe1765cf2fcb107bc948504164cd724bf1637f6f0073c36104e579
SSDEEP 98304:d70XoGBWgGbYFTim8I1uesJ9VWL65yVlfH+wM:d7u+bYFmI1uf/MBLG5
TLSH
T184F6AAA9101F5D70DE2246B3DEA7009753F22CCB88AC5C7119999A705DEF46D2A323BF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4780	powershell.exe
4564	powershell.exe
4780	powershell.exe
4564	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
3640	S0At9yEYa7LUmJN.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	S0At9yEYa7LUmJN.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3424	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4780	powershell.exe
4780	powershell.exe
4564	powershell.exe
4564	powershell.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	4780	powershell.exe
Token: SeIncreaseQuotaPrivilege	4780	powershell.exe
Token: SeSecurityPrivilege	4780	powershell.exe
Token: SeTakeOwnershipPrivilege	4780	powershell.exe
Token: SeLoadDriverPrivilege	4780	powershell.exe
Token: SeSystemProfilePrivilege	4780	powershell.exe
Token: SeSystemtimePrivilege	4780	powershell.exe
Token: SeProfSingleProcessPrivilege	4780	powershell.exe
Token: SeIncBasePriorityPrivilege	4780	powershell.exe
Token: SeCreatePagefilePrivilege	4780	powershell.exe
Token: SeBackupPrivilege	4780	powershell.exe
Token: SeRestorePrivilege	4780	powershell.exe
Token: SeShutdownPrivilege	4780	powershell.exe
Token: SeDebugPrivilege	4780	powershell.exe
Token: SeSystemEnvironmentPrivilege	4780	powershell.exe
Token: SeRemoteShutdownPrivilege	4780	powershell.exe
Token: SeUndockPrivilege	4780	powershell.exe
Token: SeManageVolumePrivilege	4780	powershell.exe
Token: 33	4780	powershell.exe
Token: 34	4780	powershell.exe
Token: 35	4780	powershell.exe
Token: 36	4780	powershell.exe
Token: SeDebugPrivilege	4564	powershell.exe
Token: SeIncreaseQuotaPrivilege	4564	powershell.exe
Token: SeSecurityPrivilege	4564	powershell.exe
Token: SeTakeOwnershipPrivilege	4564	powershell.exe
Token: SeLoadDriverPrivilege	4564	powershell.exe
Token: SeSystemProfilePrivilege	4564	powershell.exe
Token: SeSystemtimePrivilege	4564	powershell.exe
Token: SeProfSingleProcessPrivilege	4564	powershell.exe
Token: SeIncBasePriorityPrivilege	4564	powershell.exe
Token: SeCreatePagefilePrivilege	4564	powershell.exe
Token: SeBackupPrivilege	4564	powershell.exe
Token: SeRestorePrivilege	4564	powershell.exe
Token: SeShutdownPrivilege	4564	powershell.exe
Token: SeDebugPrivilege	4564	powershell.exe
Token: SeSystemEnvironmentPrivilege	4564	powershell.exe
Token: SeRemoteShutdownPrivilege	4564	powershell.exe
Token: SeUndockPrivilege	4564	powershell.exe
Token: SeManageVolumePrivilege	4564	powershell.exe
Token: 33	4564	powershell.exe
Token: 34	4564	powershell.exe
Token: 35	4564	powershell.exe
Token: 36	4564	powershell.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5596 wrote to memory of 4780	5596	rundll32.exe	89
PID 5596 wrote to memory of 4564	5596	rundll32.exe	92
PID 5596 wrote to memory of 3424	5596	rundll32.exe	94
PID 3424 wrote to memory of 6100	3424	cmd.exe	96
PID 5596 wrote to memory of 3640	5596	rundll32.exe	97

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zeroscript_connect\libcurl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5596
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath $env:TEMP"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4780
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData','C:\ProgramData\Windows\Microsoft','C:\ProgramData\Microsoft\Windows'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4564
- C:\Windows\system32\cmd.exe
  cmd.exe /C gpupdate /force
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3424
- - C:\Windows\system32\gpupdate.exe
    gpupdate /force
    3⤵
    PID:6100
- C:\Users\Admin\AppData\Local\Temp\S0At9yEYa7LUmJN.exe
  "C:\Users\Admin\AppData\Local\Temp\S0At9yEYa7LUmJN.exe"
  2⤵
  - Executes dropped EXE
  - Checks for VirtualBox DLLs, possible anti-VM trick
  PID:3640

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 a976a31824c3a0cc2a6b0fd9ec6045c398d82990e5e96df2ad86ba09a9b05be5
MD5 66f9b690d4e5313231bc173ce7b2c029
SHA1 b0dbce2f97d8ca067ddde29c06272e56e38fa195
SHA512 8f0c4c220fc64928778bf68c853246126b44f40fcdc99aa2fdaa491797ce02783c8776fdd7bd3154544336f0466000a8b92c740ed0d0df75b8a6990da450650e
TLSH
T158216833B3DD8614C89A413A10CDAC1036B6C7DB41DECFAB7B84E655A43F699CE61160
MD5 SHA1 SHA512 TLSH

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S0At9yEYa7LUmJN.exe

Path C:\Users\Admin\AppData\Local\Temp\S0At9yEYa7LUmJN.exe
Size 632KB
SHA256 5870bc9c80bebd488fb179af515e76e6079c7fcc7e22a865ce30b27b5f54eaf0
MD5 b1b82e240019e394c1a1ca7a9526ed1b
SHA1 786b65a35952e580cdda4e8b4bfc5ec84999f200
SHA512 0691f1a9a62044c3264bfff48791139529c13887e684e5b88beaefbe397ca6a1a2ee88447ef4b717297b707a0d31d2214e9963a3a8d5cd2962bb3af31a8d3ceb
SSDEEP 6144:TQyUaj92ddMo4rBuW9I+opMpUPAR/zextNPale+aaeLIBkBBD1wI0/pz1NdL8Fjn:TQvacavT9I+cC7ONJEzuA
TLSH
T140D4D7A6E6D319CAEE53C03DAC0AD207A4BC7E800554E533E549AE11B9647B78BDC70F
MD5 SHA1 SHA512 SSDEEP TLSH

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__PSScriptPolicyTest_p5qooyqt.lry.psm1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p5qooyqt.lry.psm1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4780-18-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-19-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-7-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-8-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-9-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-10-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-11-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-15-0x000001FA6A350000-0x000001FA6A36E000-memory.dmp

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memory/4780-17-0x000001FA6A590000-0x000001FA6A642000-memory.dmp

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memory/4780-0-0x00007FFD420AF000-0x00007FFD420B0000-memory.dmp

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memory/4780-16-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-6-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-20-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-5-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-21-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-22-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-12-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-23-0x000001FA6A340000-0x000001FA6A34A000-memory.dmp

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memory/4780-24-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-25-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-27-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-4-0x00007FFD41F20000-0x00007FFD428C4000-memory.dmp

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memory/4780-3-0x000001FA69CD0000-0x000001FA69CF2000-memory.dmp

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