Analysis

  • max time kernel
    110s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22/07/2024, 03:28

General

  • Target

    534438f3e73b2a97311bce035511ae90N.exe

  • Size

    1.7MB

  • MD5

    534438f3e73b2a97311bce035511ae90

  • SHA1

    91b6066c70cbd17ad67d8700b8ae34ed055eff31

  • SHA256

    ecd03f2df3bce71d044a5b49a26a263570925d6a8ad5b87228c6b8b2bfbd4e2d

  • SHA512

    9fe53bc3e00d48d11d18316efdc80871a8e55a3157681a7e6591a907cc7c23a539118ab0757b33a75ea31f42dab79bfcc32460af05f527bfc8336075ad7b558c

  • SSDEEP

    49152:6+lYMoRzEVMOiMeGP0NaPNcp0sUPYu7UGHMke:RlrylGcaepMAOsk

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 4 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 3 IoCs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\534438f3e73b2a97311bce035511ae90N.exe
    "C:\Users\Admin\AppData\Local\Temp\534438f3e73b2a97311bce035511ae90N.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\Ling\malloc\L_mimalloc.dll

    Filesize

    148KB

    MD5

    051d69a619adca3472e8d7c9b0c0eb5c

    SHA1

    6cc795ac90e43e408919e19ba6f5633863560459

    SHA256

    feefc12464985e2057a4cbd54117e9414f2e00a284106fa38b62d63052a1f7dd

    SHA512

    50daa3344aa4d86cdd22cf5736eec993467e6574c5e341cd0fd95757c739e167b6e76c744b29ae302d08c88d469fea0767640a9257f54f9dec2c5fbb87c23b71

  • \Users\Admin\AppData\Roaming\zlib.dll

    Filesize

    27KB

    MD5

    849e9f3e59daf750db838e885d58c6fa

    SHA1

    733cb105153e4b83160a52bfa2ddd95d750fb806

    SHA256

    f94949a6c121a525f661dd8abd917eb37a5cf582c89e3a258170a15d30cc0cc2

    SHA512

    3feff6db5fc5ae371a4ec60ce13a383668a5accac537a0ae56b9b5b7318a2d5bdb4b79286a519cad3610cb6d1f335a11c09a4d3165c147a00d5a7880ea23e173

  • memory/2652-3-0x00000000010F7000-0x00000000010F8000-memory.dmp

    Filesize

    4KB

  • memory/2652-11-0x0000000010000000-0x0000000010014000-memory.dmp

    Filesize

    80KB

  • memory/2652-5-0x0000000002C60000-0x0000000002D69000-memory.dmp

    Filesize

    1.0MB

  • memory/2652-4-0x00000000010A0000-0x0000000001286000-memory.dmp

    Filesize

    1.9MB

  • memory/2652-18-0x00000000010A0000-0x0000000001286000-memory.dmp

    Filesize

    1.9MB

  • memory/2652-17-0x00000000010A0000-0x0000000001286000-memory.dmp

    Filesize

    1.9MB

  • memory/2652-16-0x0000000000150000-0x0000000000168000-memory.dmp

    Filesize

    96KB

  • memory/2652-19-0x0000000000250000-0x00000000002A9000-memory.dmp

    Filesize

    356KB

  • memory/2652-20-0x00000000010A0000-0x0000000001286000-memory.dmp

    Filesize

    1.9MB