Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2023 06:21

General

  • Target

    007bazabin.exe

  • Size

    279KB

  • MD5

    86506e4534b7433da308a39b0df63cfa

  • SHA1

    91c9f7410afd1423118b5a76d4eafb074267086e

  • SHA256

    5edd735e3c6b81d985f3eadd1f8cae24091b947699f1152528566124f22d5341

  • SHA512

    382673ac2b10df3ab0415973a3cea27ce628e1d2e3d2d72da31d980dc548998c7c6311016f2cbf6c347a0c23e90b75672cf408b7979182f45d64786706cf71e1

  • SSDEEP

    6144:ht6D4CrIDlWKKqi7QARrYXJhUnNdeT6t8T6yH5ZLrdiYJtqh7+WJj:hctrYlWIibk5SNdAe8NztqhS2

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 1 IoCs
  • Tries to connect to .bazar domain 2 IoCs

    Attempts to lookup or connect to a .bazar domain, used by BazarBackdoor, Trickbot, and potentially others.

  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies system certificate store 2 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\007bazabin.exe
    "C:\Users\Admin\AppData\Local\Temp\007bazabin.exe"
    1⤵
    • Modifies system certificate store
    PID:2028
  • C:\Users\Admin\AppData\Local\Temp\007bazabin.exe
    C:\Users\Admin\AppData\Local\Temp\007bazabin.exe 3325000702
    1⤵
      PID:580

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
      Filesize

      344B

      MD5

      11c08e9736a8c68109cb97626b9a9b68

      SHA1

      2c32ce3489538ea0b6c075d7b6d3a52cd1a54461

      SHA256

      a70145b6e1047514d39b54963fc7c9715d6a722b8b98cfd56f18e3c0a0b012d3

      SHA512

      5612bed746da46893caed959db31132eb81f785fa986b5b9639f30f3eb8645ff283a718efded60bf8ebb5f4ba73760f70285ddc7fb27e1dedba870c1b4f42cd0

    • C:\Users\Admin\AppData\Local\Temp\Cab85E6.tmp
      Filesize

      62KB

      MD5

      3ac860860707baaf32469fa7cc7c0192

      SHA1

      c33c2acdaba0e6fa41fd2f00f186804722477639

      SHA256

      d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

      SHA512

      d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

    • C:\Users\Admin\AppData\Local\Temp\Tar8685.tmp
      Filesize

      164KB

      MD5

      4ff65ad929cd9a367680e0e5b1c08166

      SHA1

      c0af0d4396bd1f15c45f39d3b849ba444233b3a2

      SHA256

      c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

      SHA512

      f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

    • memory/2028-54-0x00000000001E0000-0x00000000001E3000-memory.dmp
      Filesize

      12KB

    • memory/2028-55-0x00000000001F0000-0x00000000001F2000-memory.dmp
      Filesize

      8KB

    • memory/2028-56-0x0000000180000000-0x0000000180034000-memory.dmp
      Filesize

      208KB