Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 09:39

General

  • Target

    9eaaa416014aa90bb49ee345b2be29497bc6163345f2caafca9b675f530d7945.exe

  • Size

    14.6MB

  • MD5

    3563c402b8590bbedab9202ff48b38a7

  • SHA1

    3942f2d5555134798eb16d9befc69403db0edf1b

  • SHA256

    9eaaa416014aa90bb49ee345b2be29497bc6163345f2caafca9b675f530d7945

  • SHA512

    d9658907abb6d11d62c4e85b4e73dac03ce1588fb3395a150a6cc940c11b97d3b30bd7255b30c53ad68f6a6dd0e8219c3d32efd91db0dad48a49dc444e4a2c0a

  • SSDEEP

    393216:/JFmS2iB12kzyl4cyC4tjwdUPev3ZGRsYI2yc:/mS2iD2949+TvpGRO2F

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 3 IoCs
  • Detects Bdaejec Backdoor. 2 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 3 IoCs
  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9eaaa416014aa90bb49ee345b2be29497bc6163345f2caafca9b675f530d7945.exe
    "C:\Users\Admin\AppData\Local\Temp\9eaaa416014aa90bb49ee345b2be29497bc6163345f2caafca9b675f530d7945.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Users\Admin\AppData\Local\Temp\SimFLr.exe
      C:\Users\Admin\AppData\Local\Temp\SimFLr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\24901ba6.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1000
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 720
      2⤵
      • Program crash
      PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1LNUKNV0\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\24901ba6.bat

    Filesize

    187B

    MD5

    4dc2e6a0d9a9b08fba22be5ae63e3a56

    SHA1

    0925d484a459664e1253c63c32f63657628b1e7d

    SHA256

    d9a2cb9681a39effc34b677321a5b1a6989c6bf19bc5f9f2456325d4dfd5f791

    SHA512

    295827762b893e1047b0268f8d16dd6ded47c6c228d5abbb5c00d6bfd4a8d2439bc8cbf7bdc911a5857c7150714fd91d9b78ff6fb8e4b73caf844671235474a6

  • C:\Users\Admin\AppData\Local\Temp\766074D7.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\SimFLr.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • \Users\Admin\AppData\Local\Temp\E2EECore.3.3.9.dll

    Filesize

    10.6MB

    MD5

    50c266e46ccf9bc8956279f78d51f205

    SHA1

    0ba5b98a91a9a019cd9b87cf01796c65ee6a0839

    SHA256

    c58e066a293ff260037487d37e37bf3d890c16383d817c7573dab51c514cbd00

    SHA512

    7350a82820faeba3172fad3d87b04c6a2967b797a321a78a53e7156c37fed4661a66d2f78e2f3ddbcbc0d10a56f5d761f7eb761f05d2841568b34841c17e0d37

  • memory/2252-56-0x00000000009B0000-0x00000000009B9000-memory.dmp

    Filesize

    36KB

  • memory/2252-12-0x00000000009B0000-0x00000000009B9000-memory.dmp

    Filesize

    36KB

  • memory/2676-10-0x0000000000400000-0x0000000002672000-memory.dmp

    Filesize

    34.4MB

  • memory/2676-16-0x0000000000400000-0x0000000002672000-memory.dmp

    Filesize

    34.4MB

  • memory/2676-44-0x00000000750D0000-0x00000000751E0000-memory.dmp

    Filesize

    1.1MB

  • memory/2676-43-0x00000000750E1000-0x00000000750E2000-memory.dmp

    Filesize

    4KB

  • memory/2676-42-0x0000000010000000-0x000000001001A000-memory.dmp

    Filesize

    104KB

  • memory/2676-45-0x00000000750D0000-0x00000000751E0000-memory.dmp

    Filesize

    1.1MB

  • memory/2676-11-0x00000000002F0000-0x00000000002F9000-memory.dmp

    Filesize

    36KB

  • memory/2676-13-0x00000000002F0000-0x00000000002F9000-memory.dmp

    Filesize

    36KB

  • memory/2676-58-0x0000000000400000-0x0000000002672000-memory.dmp

    Filesize

    34.4MB

  • memory/2676-59-0x00000000750E1000-0x00000000750E2000-memory.dmp

    Filesize

    4KB

  • memory/2676-60-0x00000000750D0000-0x00000000751E0000-memory.dmp

    Filesize

    1.1MB

  • memory/2676-61-0x0000000000400000-0x0000000002672000-memory.dmp

    Filesize

    34.4MB