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Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2025, 02:17

General

  • Target

    27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe

  • Size

    1.3MB

  • MD5

    2e6372abf5c58a233b273eb612950567

  • SHA1

    aed459512d857a0a6248cc9cb5785963a335b47e

  • SHA256

    27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71

  • SHA512

    ce06d3aa738e8f466c0e2be8cd9e2a79c286f4af4c7ed88da95d8b93bfa998e705eb25b6f5c9ae8d1d11fe4787f0c743edefae985d8756e822b1b003fcd61107

  • SSDEEP

    24576:7bx5ACyRtvPExqgcSSu5bqhD92oK8t7yz5b/UXq60Lnyx2M3TttxnvR:vAVRBPhbSFAhcKtYiq60LnKTVnp

Malware Config

Extracted

Family

blustealer

Credentials

  • Protocol:
    smtp
  • Host:
    efinancet.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    HCYis3WEB8!Z

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Blustealer family
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe
    "C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe
      "C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2776
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\snto\snto.exe'" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\snto\snto.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1800
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe" "C:\Users\Admin\AppData\Roaming\snto\snto.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2732
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {96A3E92F-DA41-47DD-90C7-974CF51C2C74} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Users\Admin\AppData\Roaming\snto\snto.exe
      C:\Users\Admin\AppData\Roaming\snto\snto.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\snto\snto.exe

    Filesize

    1.3MB

    MD5

    2e6372abf5c58a233b273eb612950567

    SHA1

    aed459512d857a0a6248cc9cb5785963a335b47e

    SHA256

    27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71

    SHA512

    ce06d3aa738e8f466c0e2be8cd9e2a79c286f4af4c7ed88da95d8b93bfa998e705eb25b6f5c9ae8d1d11fe4787f0c743edefae985d8756e822b1b003fcd61107

  • memory/480-21-0x0000000000D90000-0x0000000000EEE000-memory.dmp

    Filesize

    1.4MB

  • memory/1276-1-0x0000000001190000-0x00000000012EE000-memory.dmp

    Filesize

    1.4MB

  • memory/1276-2-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1276-3-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/1276-4-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1276-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/2776-7-0x0000000000400000-0x0000000000509000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-5-0x0000000000400000-0x0000000000509000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-13-0x0000000000400000-0x0000000000509000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-18-0x0000000000400000-0x0000000000509000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-11-0x0000000000400000-0x0000000000509000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-6-0x0000000000400000-0x0000000000509000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB