Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2023 09:12

General

  • Target

    1957dd6825a26dea37818afdad0143a9b12c2c2ec68ed0058d89b15d55c762f1_JC.exe

  • Size

    522KB

  • MD5

    6874fa404214cace1c3e0607f827e16e

  • SHA1

    110ca7ad3965a397badae82729be1c43ede7c670

  • SHA256

    1957dd6825a26dea37818afdad0143a9b12c2c2ec68ed0058d89b15d55c762f1

  • SHA512

    41b384435b0ec80f44df6b4e2d45877b84160dd1067a6d04e7b5684a29e06ed4fddeef6e7fa8da08997c2aa3baebfc4a3a293ffe186b1d95bb757ef1db3dd26f

  • SSDEEP

    12288:2GTIYlV2h+RZu5ZcgnziDG/kYiOaONNoZiXL1MkrupND6e:hIYlVDK8m2SsOVNNWiRMuFe

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5374342837:AAHF-c1HAIvNCdF89VuEdNggsL2YBlpgkSE/sendMessage?chat_id=2133303215

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

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

  • StormKitty payload 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).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1957dd6825a26dea37818afdad0143a9b12c2c2ec68ed0058d89b15d55c762f1_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\1957dd6825a26dea37818afdad0143a9b12c2c2ec68ed0058d89b15d55c762f1_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\1957dd6825a26dea37818afdad0143a9b12c2c2ec68ed0058d89b15d55c762f1_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\1957dd6825a26dea37818afdad0143a9b12c2c2ec68ed0058d89b15d55c762f1_JC.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:864
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/864-61-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/864-86-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/864-72-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/864-69-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/864-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/864-65-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/864-63-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2188-59-0x0000000000330000-0x000000000033E000-memory.dmp

    Filesize

    56KB

  • memory/2188-55-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-54-0x0000000000850000-0x00000000008D8000-memory.dmp

    Filesize

    544KB

  • memory/2188-58-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-57-0x0000000000380000-0x000000000039C000-memory.dmp

    Filesize

    112KB

  • memory/2188-71-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-56-0x00000000006E0000-0x0000000000720000-memory.dmp

    Filesize

    256KB

  • memory/2188-60-0x0000000004E40000-0x0000000004EA2000-memory.dmp

    Filesize

    392KB

  • memory/2220-75-0x00000000000B0000-0x00000000000CA000-memory.dmp

    Filesize

    104KB

  • memory/2220-78-0x00000000000B0000-0x00000000000CA000-memory.dmp

    Filesize

    104KB

  • memory/2220-80-0x00000000000B0000-0x00000000000CA000-memory.dmp

    Filesize

    104KB

  • memory/2220-82-0x00000000000B0000-0x00000000000CA000-memory.dmp

    Filesize

    104KB

  • memory/2220-83-0x0000000074510000-0x0000000074BFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-84-0x0000000004D90000-0x0000000004DD0000-memory.dmp

    Filesize

    256KB

  • memory/2220-85-0x0000000074510000-0x0000000074BFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-77-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB