Analysis

  • max time kernel
    143s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2022 15:44

General

  • Target

    hesaphareketi-01.pdf.exe

  • Size

    933KB

  • MD5

    6a81e1ecfdd0d555504d0718cf22e557

  • SHA1

    73ed263a3f8de8aa99590dd240105b3f6b737150

  • SHA256

    e57050b46da3903b314d721bfb34e69ad18b8906d29b0193dd155981e5f37807

  • SHA512

    2660c2625e9d435cc8afbf57ba1197a02968ef046342877a62a42bcece7ebde8b40748371c0019b43c4f17a669ad614992be5ce4bf5283aba752fd59973b86f1

  • SSDEEP

    12288:Km2iNhdGxvM/Ht1+uRo3MRU/1gKv6BdDaLFgha6lBFbJXlG:91xG+HtcuRLig06TCFgNvFtXlG

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5468731092:AAGGNQWBVRhX622u6xp1moMhaunIGtXuIxg/sendMessage?chat_id=1639214896

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

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

  • StormKitty payload 4 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1088
      • 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:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1088-63-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1088-82-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1088-81-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1088-68-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1088-65-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1088-60-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1088-61-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1684-58-0x0000000007F20000-0x0000000007F9E000-memory.dmp

    Filesize

    504KB

  • memory/1684-59-0x00000000041D0000-0x00000000041F8000-memory.dmp

    Filesize

    160KB

  • memory/1684-54-0x0000000000CE0000-0x0000000000DD0000-memory.dmp

    Filesize

    960KB

  • memory/1684-57-0x0000000000710000-0x000000000071C000-memory.dmp

    Filesize

    48KB

  • memory/1684-56-0x0000000000330000-0x000000000034A000-memory.dmp

    Filesize

    104KB

  • memory/1684-55-0x0000000076401000-0x0000000076403000-memory.dmp

    Filesize

    8KB

  • memory/1976-72-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/1976-74-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/1976-77-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/1976-79-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB