Analysis

  • max time kernel
    15s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 16:13

General

  • Target

    2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe

  • Size

    5.8MB

  • MD5

    c3305288974f4c07c89901405701730c

  • SHA1

    711c12e57930f2d0777b2d87995d826817159d58

  • SHA256

    2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b

  • SHA512

    eac2a2beacf21523cd42685acec56c2ab148baa87653bc0a155dee916c8174c670d2461a44ad4124260cc8d5d5e3beedc375aebf810a3c1aef6e319e0c8271f6

  • SSDEEP

    98304:adE1MdE1MdE1MdE1GdE1MdE1MdE1MdE1UdE1MdE1MdE1MdE1GdE1MdE1MdE1MdEf:OWAWAWAWyWAWAWAWIWAWAWAWyWAWAWAs

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies data under HKEY_USERS 24 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe
    "C:\Users\Admin\AppData\Local\Temp\2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ping 127.0.0.1 -n 5 & Start c:\windows\fonts\zghfayn\vbygfc.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:652
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 5
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:792
      • \??\c:\windows\fonts\zghfayn\vbygfc.exe
        c:\windows\fonts\zghfayn\vbygfc.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2976
  • \??\c:\windows\fonts\zghfayn\vbygfc.exe
    c:\windows\fonts\zghfayn\vbygfc.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 676
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\Fonts\zghfayn\vbygfc.exe

    Filesize

    5.9MB

    MD5

    1cabb814e5b94cad5e866867b37fa664

    SHA1

    29db33c0382bf83005e8c2615a77756ae65c61ea

    SHA256

    d255c625e7876e0c18d9369bd0d16855b84f75b4756813b89398b9dff5dabeec

    SHA512

    37ede7c4c439bf1b89a9795077ea8005fe47bb78f0d56199dae81090c9048edeb70c0e906c623916bf04debb85cf13530641a8c4139d76eda69794c1a732df3c

  • memory/652-8-0x0000000002040000-0x00000000020F0000-memory.dmp

    Filesize

    704KB

  • memory/2328-0-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2328-4-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2852-11-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2852-15-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2976-12-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB