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Analysis

  • max time kernel
    157s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2022, 18:01

General

  • Target

    hesaphareketi-01.exe

  • Size

    25KB

  • MD5

    e37b33e5a3135cf368bfc434ab681600

  • SHA1

    d0176ba72e96a3ed239965d8ac63e6dba8280a72

  • SHA256

    2c3ce21aed9ecd191dfefd59e3ea35ec6ec665cbe79f35e628b6e720d2233662

  • SHA512

    1c906cd557c4cf62a1c9563fdad81392b4de773b866f376c42da6266b7de0fd3487d47a7346cfb49b41bf827a6d84fa0ed1e40c46c1404fcbf56a48c0f64e873

  • SSDEEP

    384:ovncQtfcSL+x2JQFkLYLvLRHUQUngAFoTT:ozlcoMjxkrov

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5617443580:AAFX8iYrXMCASkw95O815OVGuLWLdSgh8Qo/sendMessage?chat_id=5334267822

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4588
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
      C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:448
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        3⤵
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/336-156-0x0000000005E10000-0x0000000005EAC000-memory.dmp

    Filesize

    624KB

  • memory/336-154-0x0000000001140000-0x000000000115A000-memory.dmp

    Filesize

    104KB

  • memory/448-155-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/448-150-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/448-148-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/4588-142-0x0000000005F10000-0x0000000005F76000-memory.dmp

    Filesize

    408KB

  • memory/4588-146-0x0000000006AD0000-0x0000000006AEA000-memory.dmp

    Filesize

    104KB

  • memory/4588-141-0x0000000005840000-0x0000000005E68000-memory.dmp

    Filesize

    6.2MB

  • memory/4588-143-0x0000000005F80000-0x0000000005FE6000-memory.dmp

    Filesize

    408KB

  • memory/4588-144-0x00000000065C0000-0x00000000065DE000-memory.dmp

    Filesize

    120KB

  • memory/4588-145-0x0000000007C00000-0x000000000827A000-memory.dmp

    Filesize

    6.5MB

  • memory/4588-140-0x0000000002FE0000-0x0000000003016000-memory.dmp

    Filesize

    216KB

  • memory/4928-132-0x0000000000320000-0x000000000032C000-memory.dmp

    Filesize

    48KB

  • memory/4928-138-0x0000000008820000-0x0000000008842000-memory.dmp

    Filesize

    136KB

  • memory/4928-137-0x0000000008760000-0x0000000008812000-memory.dmp

    Filesize

    712KB

  • memory/4928-136-0x00000000082A0000-0x00000000082F0000-memory.dmp

    Filesize

    320KB

  • memory/4928-135-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

    Filesize

    40KB

  • memory/4928-134-0x0000000004D20000-0x0000000004DB2000-memory.dmp

    Filesize

    584KB

  • memory/4928-133-0x00000000053A0000-0x0000000005944000-memory.dmp

    Filesize

    5.6MB