Analysis

  • max time kernel
    100s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2023 23:36

General

  • Target

    a6674e0d40fa7ddf465fc36f20c399ef09e73d3bf0d2a719db56646357b0cb08.exe

  • Size

    91KB

  • MD5

    e18931b191f6ac84eadcadc94c0a9a4d

  • SHA1

    6cb83d903daa257d3f02a4acd63efeebd3efc34a

  • SHA256

    a6674e0d40fa7ddf465fc36f20c399ef09e73d3bf0d2a719db56646357b0cb08

  • SHA512

    63faf99ecf092f3671d1013100f17a07f27842eadcacdacb08105d0c1026e013432d54bd4ea9055966ac3b1d1065e1aa41920117bca4fa1ea9a1b2cff9a7d83b

  • SSDEEP

    1536:ifgLdQAQfcfymNtT23xP9e3VEs096VPOnQ61cmg6agxCxyk:iftffjmNoxP900sVOnQ61lgDgdk

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6674e0d40fa7ddf465fc36f20c399ef09e73d3bf0d2a719db56646357b0cb08.exe
    "C:\Users\Admin\AppData\Local\Temp\a6674e0d40fa7ddf465fc36f20c399ef09e73d3bf0d2a719db56646357b0cb08.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\$$a5BB.bat
      2⤵
      • Deletes itself
      • Loads dropped DLL
      PID:1792
      • C:\Users\Admin\AppData\Local\Temp\a6674e0d40fa7ddf465fc36f20c399ef09e73d3bf0d2a719db56646357b0cb08.exe
        "C:\Users\Admin\AppData\Local\Temp\a6674e0d40fa7ddf465fc36f20c399ef09e73d3bf0d2a719db56646357b0cb08.exe"
        3⤵
        • Executes dropped EXE
        PID:2244
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2788
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1368
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
      1⤵
        PID:2736
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:3032

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        23KB

        MD5

        186d74cbe3a438aa44bf66682530f5b9

        SHA1

        d365d9ba34182fffde7c4ed515d6f3320c07e4f7

        SHA256

        6ba8f27bdda75879cb48ef2b23e7bc3786cab67163e5bcdbd03b5e61df5ffd26

        SHA512

        2eecd88f16c79ecf00988579d05df382b78edf26ef46638cbba5bdab72ccc69aa65625d25076d20899a2c14c121e21c20629a970996690018872f0f502bb9769

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        1KB

        MD5

        241b98b460cc18098ddc046472c1a34f

        SHA1

        f95cfc27e2fc8dedbd23692b6e7ff3e5c42a47e5

        SHA256

        83269cb53554e1bfbed50ce1f108c3a0642ce9068b39183b92903b6f34a42816

        SHA512

        7a7564a47938e73f11b7839c04c227e5a0219e40c77977def439b737e27346f129c24626e84fc6e42b0346805b8c6a2b86dbabba265fc42615882a04e4dfb48b

      • C:\Users\Admin\AppData\Local\Temp\$$a5BB.bat

        Filesize

        721B

        MD5

        33560eb7dc6d83569c2eff125ea00d51

        SHA1

        9af6a0ba334759b951a5d51145c9830fe33eab99

        SHA256

        59541c921bc1f4361a85811e7cb393ca5155bc1b3edf697bc10ff78201eebc21

        SHA512

        f7f1c2adb00c2b80c9d0bf227955d5e2d4ddd791994080171776daa2cfc2b732cb645d679395351d6e9845a9defbb747b67bdb35df2af9a462573f4f1bc9c635

      • C:\Users\Admin\AppData\Local\Temp\a6674e0d40fa7ddf465fc36f20c399ef09e73d3bf0d2a719db56646357b0cb08.exe

        Filesize

        23KB

        MD5

        1e7c7e0d5763e816da075ee80667839a

        SHA1

        a67de3718adaa391e0a1ee0cf52e320445771341

        SHA256

        59907af52bcd98eae86a30856e4676fb6f96ab8fba7bbdb052a56f336885471a

        SHA512

        2b9f216b3eea03b7378dec0e55c39a9665a789a384c340844b010a2b144e11811a65953fe14c6a3f54446567a9b30aa1b35dfc54244d690ce2cdca2864ad3ae9

      • C:\Users\Admin\AppData\Local\Temp\a6674e0d40fa7ddf465fc36f20c399ef09e73d3bf0d2a719db56646357b0cb08.exe.exe

        Filesize

        29KB

        MD5

        0e8b954985429208731d7839b36fe515

        SHA1

        81c7a75af5315b9f585810195bf5538acd4d1236

        SHA256

        a420bd01b51b6e98351013cb1c85528992af1a0108eac8068988ce0e05cd47e3

        SHA512

        c941c056053cc583ca7629b6c9287b2c704134b7d61c8f3b89809888c85bb2cd82dae81977c494a98d4f7f4babf2f5d011c7ba33d9adc6d174a54107936355ef

      • C:\Windows\Logo1_.exe

        Filesize

        7KB

        MD5

        8452508443334ab5c034b967fa0e887a

        SHA1

        defc2af0659bb3be6b64d50558157440127e3d72

        SHA256

        cf4af707c269b139bff704cec5cdaf16df3a7955d5a86a164b2bff17bacf0cf0

        SHA512

        a4fb33f3a9362e98b5cb5b20265161feacdee4f4b266d55d94651ca0896bea39b39ff61791018faaf1cc471168ed1f12ed4975263355cba7d22702df07516a4a

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        8f8f7d1283da7486a98b4753427866fc

        SHA1

        721e29e2ac62c4a7a74d0efebab549d124763edb

        SHA256

        45a7aa639e9b93c7f2facf50c3bb34eef44407120ad89b162e6b7a4ef1be6ea1

        SHA512

        0ae3b0f32409018f2786d2e529ececffc78e39f964f5b52b6599492a94428737a76cbb1e1ef295e336cf111427b3c83041a39f82b964219e9560c3e0868d5076

      • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini

        Filesize

        10B

        MD5

        3fb21251990dd269f80f958b0a71ed77

        SHA1

        5a505ccb9a59661e62ae104e2ff3ec8f2aa4cf5e

        SHA256

        cb4d0049abaf6aa0990ec6488c023f61ef8f9bdcd7b82a814db7264271f060ec

        SHA512

        3d401e86df952aa0bd86740f17df566b9800ce0aea48c9f61623d934436317038aebbcceaed0bc4cf38ce153b9ad8e853bb20aba42267563fc9ad96a99d0c637

      • \Users\Admin\AppData\Local\Temp\a6674e0d40fa7ddf465fc36f20c399ef09e73d3bf0d2a719db56646357b0cb08.exe

        Filesize

        29KB

        MD5

        49c8fa1ba70d5f366a82e74db8eb6b13

        SHA1

        693ec609d0675f8d30fa73555a77865e0c3ec663

        SHA256

        452c532c62bff1068864941ec126a5453709c20df43c59d19439b1e5a222cb00

        SHA512

        c3d286a6f07a29c1c9a62234678e49fe2c00d1b152a3275b6848907a33e0c32c5c903fb4e9a9916e2b3e96276d1f692d17e18c5ad9e5010dacdeeff068590db6

      • memory/1368-28-0x0000000002B30000-0x0000000002B31000-memory.dmp

        Filesize

        4KB

      • memory/2784-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2784-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-45-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-91-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-97-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-991-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-1850-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-39-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-3037-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-3310-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2788-20-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB