Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2024 05:17

General

  • Target

    5813adb6de1fe3cfa9ba91ba593daba1.exe

  • Size

    81KB

  • MD5

    5813adb6de1fe3cfa9ba91ba593daba1

  • SHA1

    2ba828b804336b814f2b812c0d083a800a5c50e0

  • SHA256

    030c017019ff327dfb4ab0e6527e6b321ed5edf526c5fafcd30089ad6730aa24

  • SHA512

    8b86263dc6d98c90696ecbb4ae03d33fd6810911c2286aabe9b14f56bd8fe083c337abf7a464410181a2a25adfe6bef2a37bf0178ab6535b00505aee3aba9f9a

  • SSDEEP

    1536:SKcR4mjD9r823FHKcR4mjD9r823FA4LCxbhPwCsPJt6Pt8Tex+7J:SKcWmjRrz3ZKcWmjRrz364htE1xI

Malware Config

Signatures

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

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

  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5813adb6de1fe3cfa9ba91ba593daba1.exe
    "C:\Users\Admin\AppData\Local\Temp\5813adb6de1fe3cfa9ba91ba593daba1.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\bdQ8RZH78L8nbA1.exe
      C:\Users\Admin\AppData\Local\Temp\bdQ8RZH78L8nbA1.exe
      2⤵
      • Executes dropped EXE
      PID:1944
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\bdQ8RZH78L8nbA1.exe

    Filesize

    81KB

    MD5

    da58043cfc042f3688bbb4ed53091805

    SHA1

    593ffb7ed79981d2b2a9e7081b778c026e67732d

    SHA256

    9915e36cb3c6f6a791ed17a9527eeab664c86e2cb2e1cf3210ace35170da606a

    SHA512

    a0875912e397a90f3942dfccb03173732f2b8aa8603f880a718c1750d2f57af151daa30b678063ae0a01121b7fae9efd238937c69e7de74a0a4aaac67cad728f

  • C:\Users\Admin\AppData\Local\Temp\bdQ8RZH78L8nbA1.exe

    Filesize

    22KB

    MD5

    651cec13c85886354ee441f19c3fa26a

    SHA1

    09f569e19370d3b572e17f2dcbe9c75f2adb78c5

    SHA256

    57c3797a633a3f472d853a388d6fdd99ea17fd2a4eb1df3583d5cc0f37b3dd34

    SHA512

    f5611de80b71807cf046158ac56f6276bda2b29928a4f079390c8ec087e09d3f46b63724a9d52de60f1ac380ad512be6e9247e02552ba7fbc1a6998ccbc3190c

  • C:\Windows\CTS.exe

    Filesize

    59KB

    MD5

    5efd390d5f95c8191f5ac33c4db4b143

    SHA1

    42d81b118815361daa3007f1a40f1576e9a9e0bc

    SHA256

    6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

    SHA512

    720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

  • memory/2088-1-0x0000000000CA0000-0x0000000000CB7000-memory.dmp

    Filesize

    92KB

  • memory/2088-11-0x0000000000CA0000-0x0000000000CB7000-memory.dmp

    Filesize

    92KB

  • memory/2088-7-0x0000000000070000-0x0000000000087000-memory.dmp

    Filesize

    92KB

  • memory/2388-14-0x0000000000820000-0x0000000000837000-memory.dmp

    Filesize

    92KB