Analysis

  • max time kernel
    121s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2023 09:09

General

  • Target

    c7d30b5ea07e7f38338401d6af2351330a71086e08301d32d1ad040c42b8c9fe.exe

  • Size

    3.1MB

  • MD5

    dc624574ef8e4cb6a209144239a7f7cc

  • SHA1

    20579df621fb9592da238eab9bc8b0c0f960dbb9

  • SHA256

    c7d30b5ea07e7f38338401d6af2351330a71086e08301d32d1ad040c42b8c9fe

  • SHA512

    45008753ca6aef84b82d1b0aebf19743d19af6c63716b32c223c3b3efb0e7ef1d8e78d5fcc2d8ba35f1b830890a85eed776aae5c6fa4c2ed026bca7191ef295d

  • SSDEEP

    49152:n9s5LPkdVO3K46FKCSoJhMPmuYnH7mSl5cTsp/UJQyKnzZ/Yeco/rZj:+Z3K46FKDKMPMnHRcQqYZ

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 5 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 4 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\c7d30b5ea07e7f38338401d6af2351330a71086e08301d32d1ad040c42b8c9fe.exe
    "C:\Users\Admin\AppData\Local\Temp\c7d30b5ea07e7f38338401d6af2351330a71086e08301d32d1ad040c42b8c9fe.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\SysWOW64\FUJwmMFELIEATkrTU.exe
      -auto
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3000
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C7D30B~1.EXE > nul
      2⤵
      • Deletes itself
      PID:932
  • C:\Windows\SysWOW64\FUJwmMFELIEATkrTU.exe
    C:\Windows\SysWOW64\FUJwmMFELIEATkrTU.exe Service 1
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\SysWOW64\FUJwmMFELIEATkrTU.exe
      -OBJECT1
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\FUJwmMFELIEATkrTU.exe

    Filesize

    3.1MB

    MD5

    dc624574ef8e4cb6a209144239a7f7cc

    SHA1

    20579df621fb9592da238eab9bc8b0c0f960dbb9

    SHA256

    c7d30b5ea07e7f38338401d6af2351330a71086e08301d32d1ad040c42b8c9fe

    SHA512

    45008753ca6aef84b82d1b0aebf19743d19af6c63716b32c223c3b3efb0e7ef1d8e78d5fcc2d8ba35f1b830890a85eed776aae5c6fa4c2ed026bca7191ef295d

  • C:\Windows\SysWOW64\FUJwmMFELIEATkrTU.exe

    Filesize

    3.1MB

    MD5

    dc624574ef8e4cb6a209144239a7f7cc

    SHA1

    20579df621fb9592da238eab9bc8b0c0f960dbb9

    SHA256

    c7d30b5ea07e7f38338401d6af2351330a71086e08301d32d1ad040c42b8c9fe

    SHA512

    45008753ca6aef84b82d1b0aebf19743d19af6c63716b32c223c3b3efb0e7ef1d8e78d5fcc2d8ba35f1b830890a85eed776aae5c6fa4c2ed026bca7191ef295d

  • C:\Windows\SysWOW64\FUJwmMFELIEATkrTU.exe

    Filesize

    3.1MB

    MD5

    dc624574ef8e4cb6a209144239a7f7cc

    SHA1

    20579df621fb9592da238eab9bc8b0c0f960dbb9

    SHA256

    c7d30b5ea07e7f38338401d6af2351330a71086e08301d32d1ad040c42b8c9fe

    SHA512

    45008753ca6aef84b82d1b0aebf19743d19af6c63716b32c223c3b3efb0e7ef1d8e78d5fcc2d8ba35f1b830890a85eed776aae5c6fa4c2ed026bca7191ef295d

  • C:\Windows\SysWOW64\FUJwmMFELIEATkrTU.exe

    Filesize

    3.1MB

    MD5

    dc624574ef8e4cb6a209144239a7f7cc

    SHA1

    20579df621fb9592da238eab9bc8b0c0f960dbb9

    SHA256

    c7d30b5ea07e7f38338401d6af2351330a71086e08301d32d1ad040c42b8c9fe

    SHA512

    45008753ca6aef84b82d1b0aebf19743d19af6c63716b32c223c3b3efb0e7ef1d8e78d5fcc2d8ba35f1b830890a85eed776aae5c6fa4c2ed026bca7191ef295d

  • \Windows\SysWOW64\FUJwmMFELIEATkrTU.exe

    Filesize

    3.1MB

    MD5

    dc624574ef8e4cb6a209144239a7f7cc

    SHA1

    20579df621fb9592da238eab9bc8b0c0f960dbb9

    SHA256

    c7d30b5ea07e7f38338401d6af2351330a71086e08301d32d1ad040c42b8c9fe

    SHA512

    45008753ca6aef84b82d1b0aebf19743d19af6c63716b32c223c3b3efb0e7ef1d8e78d5fcc2d8ba35f1b830890a85eed776aae5c6fa4c2ed026bca7191ef295d

  • memory/2748-64-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2748-62-0x0000000000360000-0x000000000036B000-memory.dmp

    Filesize

    44KB

  • memory/2748-66-0x00000000020D0000-0x00000000020DB000-memory.dmp

    Filesize

    44KB

  • memory/2748-67-0x00000000020B0000-0x00000000020B1000-memory.dmp

    Filesize

    4KB

  • memory/2748-68-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2748-69-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/2748-70-0x00000000008C0000-0x00000000008C1000-memory.dmp

    Filesize

    4KB

  • memory/2748-63-0x0000000000360000-0x000000000036B000-memory.dmp

    Filesize

    44KB

  • memory/2748-102-0x0000000000360000-0x000000000036B000-memory.dmp

    Filesize

    44KB

  • memory/2748-105-0x00000000020D0000-0x00000000020DB000-memory.dmp

    Filesize

    44KB