Analysis

  • max time kernel
    22s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2023 15:21

General

  • Target

    bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1.exe

  • Size

    548KB

  • MD5

    19e21764ec17f691bb10fd9f52ff8279

  • SHA1

    19309de824ebaa6cb73e6baf8ede91f092bb87e6

  • SHA256

    bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1

  • SHA512

    4a13c8de0f0f05ce0962b1704357d8042eb204e5b1401c8549149807aca8c905435c44b01a29815a9df55e374a4a7b935037abfd89e14b3b14408519ddfb94da

  • SSDEEP

    6144:H7qW7+p/0TjfVo4Gd6MgZtpy9Jbv3JQDfJXnIZR:HuW7+pcTJZGdvUgbhQDiv

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 6 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1.exe
    "C:\Users\Admin\AppData\Local\Temp\bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\SysWOW64\SHRpJJP.exe
      "C:\Windows\system32\SHRpJJP.exe" -auto
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\BC10D0~1.EXE > nul
      2⤵
      • Deletes itself
      PID:1296
  • C:\Windows\SysWOW64\SHRpJJP.exe
    C:\Windows\SysWOW64\SHRpJJP.exe Service 1
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:676
    • C:\Windows\SysWOW64\SHRpJJP.exe
      -ojbk
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\SHRpJJP.exe

    Filesize

    548KB

    MD5

    19e21764ec17f691bb10fd9f52ff8279

    SHA1

    19309de824ebaa6cb73e6baf8ede91f092bb87e6

    SHA256

    bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1

    SHA512

    4a13c8de0f0f05ce0962b1704357d8042eb204e5b1401c8549149807aca8c905435c44b01a29815a9df55e374a4a7b935037abfd89e14b3b14408519ddfb94da

  • C:\Windows\SysWOW64\SHRpJJP.exe

    Filesize

    548KB

    MD5

    19e21764ec17f691bb10fd9f52ff8279

    SHA1

    19309de824ebaa6cb73e6baf8ede91f092bb87e6

    SHA256

    bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1

    SHA512

    4a13c8de0f0f05ce0962b1704357d8042eb204e5b1401c8549149807aca8c905435c44b01a29815a9df55e374a4a7b935037abfd89e14b3b14408519ddfb94da

  • C:\Windows\SysWOW64\SHRpJJP.exe

    Filesize

    548KB

    MD5

    19e21764ec17f691bb10fd9f52ff8279

    SHA1

    19309de824ebaa6cb73e6baf8ede91f092bb87e6

    SHA256

    bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1

    SHA512

    4a13c8de0f0f05ce0962b1704357d8042eb204e5b1401c8549149807aca8c905435c44b01a29815a9df55e374a4a7b935037abfd89e14b3b14408519ddfb94da

  • C:\Windows\SysWOW64\SHRpJJP.exe

    Filesize

    548KB

    MD5

    19e21764ec17f691bb10fd9f52ff8279

    SHA1

    19309de824ebaa6cb73e6baf8ede91f092bb87e6

    SHA256

    bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1

    SHA512

    4a13c8de0f0f05ce0962b1704357d8042eb204e5b1401c8549149807aca8c905435c44b01a29815a9df55e374a4a7b935037abfd89e14b3b14408519ddfb94da

  • C:\Windows\SysWOW64\SHRpJJP.exe

    Filesize

    548KB

    MD5

    19e21764ec17f691bb10fd9f52ff8279

    SHA1

    19309de824ebaa6cb73e6baf8ede91f092bb87e6

    SHA256

    bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1

    SHA512

    4a13c8de0f0f05ce0962b1704357d8042eb204e5b1401c8549149807aca8c905435c44b01a29815a9df55e374a4a7b935037abfd89e14b3b14408519ddfb94da

  • \Windows\SysWOW64\SHRpJJP.exe

    Filesize

    548KB

    MD5

    19e21764ec17f691bb10fd9f52ff8279

    SHA1

    19309de824ebaa6cb73e6baf8ede91f092bb87e6

    SHA256

    bc10d00fc534b932fd0b55738b7321afedae953b05e736f1313f3580d40c95e1

    SHA512

    4a13c8de0f0f05ce0962b1704357d8042eb204e5b1401c8549149807aca8c905435c44b01a29815a9df55e374a4a7b935037abfd89e14b3b14408519ddfb94da

  • memory/1868-66-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1868-65-0x0000000001F40000-0x0000000001F4B000-memory.dmp

    Filesize

    44KB

  • memory/1868-64-0x00000000003D0000-0x00000000003DB000-memory.dmp

    Filesize

    44KB

  • memory/1868-63-0x00000000003D0000-0x00000000003DB000-memory.dmp

    Filesize

    44KB

  • memory/1868-89-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/1868-90-0x0000000001F40000-0x0000000001F4B000-memory.dmp

    Filesize

    44KB

  • memory/1868-91-0x0000000000540000-0x0000000000541000-memory.dmp

    Filesize

    4KB

  • memory/1868-92-0x0000000000530000-0x0000000000531000-memory.dmp

    Filesize

    4KB

  • memory/1868-93-0x0000000000520000-0x0000000000521000-memory.dmp

    Filesize

    4KB

  • memory/1868-98-0x00000000003D0000-0x00000000003DB000-memory.dmp

    Filesize

    44KB