Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 19:03

General

  • Target

    1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe

  • Size

    158KB

  • MD5

    e2a98bfcab2a0340857e17c262fd6498

  • SHA1

    dc53f223dab50dc942a8856df50a1a78b525665b

  • SHA256

    1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66

  • SHA512

    6729582dc791b71748755465c86d1219bdd0b4f1ab11f1ecfb912f9b1d72a68bbeda85607bc5a3a2191598480425563de2f9dce399d55f7f4edf1d7e8d20f906

  • SSDEEP

    3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe
    "C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\phgklky.exe "C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2356
      • C:\Users\Admin\AppData\Local\Temp\phgklky.exe
        C:\Users\Admin\AppData\Local\Temp\\phgklky.exe "C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1788
        • \??\c:\Program Files\aimdhu\wer.exe
          "c:\Program Files\aimdhu\wer.exe" "c:\Program Files\aimdhu\werku.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\phgklky.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\aimdhu\werku.dll

    Filesize

    128KB

    MD5

    1301b7cd37bc1718574a3d827666af8e

    SHA1

    0394441df4fa5f39a80654876cd725bf4d159902

    SHA256

    9d8f87db0605d0f32400b0deee9a908a677ef760c6044cf5fa094011d9754596

    SHA512

    44494bad3ece01169b94fe724dc8b91ed857e6bd7c9b90c04140d6c5a65f5b8036bc8debf6ea3c7bbf971fcbdc3db36cb4e3dbbe4f1a741726befd07896cca53

  • \Program Files\aimdhu\wer.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

    Filesize

    158KB

    MD5

    51d5106deb27cf2a4eb2961e772ea1b1

    SHA1

    ebb55feea84005aea09c46c390cc9f82ceb44f7e

    SHA256

    89cafb0868f11be74a10f87cbbaa402c4e46cf07a5992d09ecd11abbe7c90fd6

    SHA512

    c8d82265877e1d1743fc60dc351fe49aadb234c51566c81711574ee2860b1635bc0e60c60dd47636ad404000809ed52a8ff20dcf708188eecffb308c72b5e01c

  • memory/1556-6-0x0000000000280000-0x00000000002B0000-memory.dmp

    Filesize

    192KB

  • memory/1556-7-0x0000000000280000-0x00000000002B0000-memory.dmp

    Filesize

    192KB

  • memory/1788-16-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2252-23-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2252-24-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2252-29-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2252-30-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2556-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2556-2-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB