Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 08:44

General

  • Target

    f4a0df7621d795d105fa323b1daa95d29fc372f553b1aedf85ba6764d3397492.exe

  • Size

    4.7MB

  • MD5

    6ab0292bd4ea457c51e90b124818c55e

  • SHA1

    a4170c216a492e39ab754ea93d02cb057bda9b7d

  • SHA256

    f4a0df7621d795d105fa323b1daa95d29fc372f553b1aedf85ba6764d3397492

  • SHA512

    6ae52f9360db2379dab6e5147aa58552cbf2c4e578f42ebe3faddc18725fc9f1d67d27c7674c859e29d6603fa2a8cf3802facfa973be8008d7abdffc62ec74fd

  • SSDEEP

    98304:pBo01BuNvLdCLwbk7xVVgrJQgkMUt1fv52ywbtUK3FZjVM1/Ib6aYa:p+jSLuGPVoQBpfZU3F1VMib1

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 1 IoCs
  • Detects Bdaejec Backdoor. 1 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4a0df7621d795d105fa323b1daa95d29fc372f553b1aedf85ba6764d3397492.exe
    "C:\Users\Admin\AppData\Local\Temp\f4a0df7621d795d105fa323b1daa95d29fc372f553b1aedf85ba6764d3397492.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\ypHXzl.exe
      C:\Users\Admin\AppData\Local\Temp\ypHXzl.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\0a7f2bca.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0a7f2bca.bat

    Filesize

    187B

    MD5

    91379c711aa5cc9f9a10c5d3be784d18

    SHA1

    d4f81bb05b472e24cf84c1d679b7d4acaaeb9a74

    SHA256

    6068d17761c426ffd5eac3ca44fda4218facf880180934bdb5a6fed8c29c38da

    SHA512

    0ac81bf65cee5163b4504cb2cc1dafc15e5a6497f0a6991b707170bc6f76bef2c7985752b64d3956d5d12233e2d6f6761fe5a58ddc80d57ec14ccf7c3701304f

  • C:\Users\Admin\AppData\Local\Temp\432D51BF.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • \Users\Admin\AppData\Local\Temp\ypHXzl.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2336-0-0x0000000000400000-0x0000000000A43000-memory.dmp

    Filesize

    6.3MB

  • memory/2336-9-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2336-4-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2336-38-0x0000000000400000-0x0000000000A43000-memory.dmp

    Filesize

    6.3MB

  • memory/2336-46-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2336-48-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2776-11-0x0000000000870000-0x0000000000879000-memory.dmp

    Filesize

    36KB

  • memory/2776-36-0x0000000000870000-0x0000000000879000-memory.dmp

    Filesize

    36KB