Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2023 22:02

General

  • Target

    tmp.exe

  • Size

    266KB

  • MD5

    bf06b230800b247480122519febf9b1b

  • SHA1

    39131291b747c87b25ac36b8d9c27afe55d3b628

  • SHA256

    00d3d0c49343dba533737e4a17cf453697aa569b00d07deb2cd7688c66d88ada

  • SHA512

    23d7a29fa3687bf767fbfef227f3e55fb08652822a957bbfe7a95cb9246f73a74fa936c9f78a8b6118b25bccb75ebebb0ea680d5594c72907811bb24e6acf7de

  • SSDEEP

    6144:PYa6xF99EDoKzKKslaPQsZbfSr+URvU+31XtD71erCXy4pRGjspnY2E2:PYT/eDoJJsZbfSl93Rxzy4pRj1FV

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Users\Admin\AppData\Local\Temp\molbyam.exe
        "C:\Users\Admin\AppData\Local\Temp\molbyam.exe" C:\Users\Admin\AppData\Local\Temp\wsynxqyot.kqk
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1744
        • C:\Users\Admin\AppData\Local\Temp\molbyam.exe
          "C:\Users\Admin\AppData\Local\Temp\molbyam.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:996
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1020
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:1940

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\fvitwd.zip

      Filesize

      486KB

      MD5

      1e73cacce02ae20026a81f1e56416aa3

      SHA1

      f491a7301ce11cf11a92c0245c7e03d927422286

      SHA256

      0dd0dd38cde5a14e7d6d0830db62cc7037e521fd042b0b8da0763128b2c0b3f2

      SHA512

      afe77facd8b16cc744ac2277414ffaf83436999d15eb8ac707f8098e2f8ed4cb29b430392ebe46b7fa65b20730615bc33dee9416f7141da5032a630894980a0a

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

      Filesize

      42KB

      MD5

      8b4f7cf01b9bbe03a2f2821fd2334e91

      SHA1

      40b0fd266f22af97d44547fc2bebe24d881a39f7

      SHA256

      214a3ab38df718277aedc2d89943ba2eee4e250238ac47c4c15625a8246fb4fc

      SHA512

      bc00a02625f429072e63b50e6229634575d8ebaf638e76c74d6926c61d52481bbaa8fb47b626ccd58c01f96e2e7df29a9fe4b4051f2f81b3ef64ad4883ed692f

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

      Filesize

      42KB

      MD5

      8b4f7cf01b9bbe03a2f2821fd2334e91

      SHA1

      40b0fd266f22af97d44547fc2bebe24d881a39f7

      SHA256

      214a3ab38df718277aedc2d89943ba2eee4e250238ac47c4c15625a8246fb4fc

      SHA512

      bc00a02625f429072e63b50e6229634575d8ebaf638e76c74d6926c61d52481bbaa8fb47b626ccd58c01f96e2e7df29a9fe4b4051f2f81b3ef64ad4883ed692f

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

      Filesize

      42KB

      MD5

      8b4f7cf01b9bbe03a2f2821fd2334e91

      SHA1

      40b0fd266f22af97d44547fc2bebe24d881a39f7

      SHA256

      214a3ab38df718277aedc2d89943ba2eee4e250238ac47c4c15625a8246fb4fc

      SHA512

      bc00a02625f429072e63b50e6229634575d8ebaf638e76c74d6926c61d52481bbaa8fb47b626ccd58c01f96e2e7df29a9fe4b4051f2f81b3ef64ad4883ed692f

    • C:\Users\Admin\AppData\Local\Temp\wsynxqyot.kqk

      Filesize

      5KB

      MD5

      3446566f96719356b9a133977842bb1c

      SHA1

      13961dd30a1bbcfeab5d494eeae0e73e0c079094

      SHA256

      624e3bc90a4fae9ee91942aa8064b5c54cfa2e2ab90dc9ac0f0de4cff3700ebd

      SHA512

      cc7453495f409998ac819797a47eec41f71d61e8f6a1c004a46f417d999d24146de6a60b2a5d044b6f76d19c87499c86bd776a022ed4371c8c280beeadca6c40

    • C:\Users\Admin\AppData\Local\Temp\xwykuob.d

      Filesize

      206KB

      MD5

      88e6bfa0d2edccb11fb159eda11d0526

      SHA1

      a2d4985d88091e5b2d9e617e3a0c034d5b5f1b8e

      SHA256

      f40609179ab6e4869795f96ea45e0b6ded08c41898ba23122713e66c40496389

      SHA512

      c43b861cbcfbdf0bbb368003925077ef53f9607f23af5657f348962d2b49ad7f6436c0eb905f5a74bb71ce7bfea490fb55579bf83fa9faa3a1d852c85588ed02

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

      Filesize

      42KB

      MD5

      8b4f7cf01b9bbe03a2f2821fd2334e91

      SHA1

      40b0fd266f22af97d44547fc2bebe24d881a39f7

      SHA256

      214a3ab38df718277aedc2d89943ba2eee4e250238ac47c4c15625a8246fb4fc

      SHA512

      bc00a02625f429072e63b50e6229634575d8ebaf638e76c74d6926c61d52481bbaa8fb47b626ccd58c01f96e2e7df29a9fe4b4051f2f81b3ef64ad4883ed692f

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

      Filesize

      42KB

      MD5

      8b4f7cf01b9bbe03a2f2821fd2334e91

      SHA1

      40b0fd266f22af97d44547fc2bebe24d881a39f7

      SHA256

      214a3ab38df718277aedc2d89943ba2eee4e250238ac47c4c15625a8246fb4fc

      SHA512

      bc00a02625f429072e63b50e6229634575d8ebaf638e76c74d6926c61d52481bbaa8fb47b626ccd58c01f96e2e7df29a9fe4b4051f2f81b3ef64ad4883ed692f

    • \Users\Admin\AppData\Local\Temp\sqlite3.dll

      Filesize

      927KB

      MD5

      7fd80b1cc72dc580c02ca4cfbfb2592d

      SHA1

      18da905af878b27151b359cf1a7d0a650764e8a1

      SHA256

      1e6dccbdf8527abb53c289da920463b7895300d0d984cc7e91a3ecda4e673190

      SHA512

      13f7f29b5ed31c551aa5f27742557aa4d026a226087d6fcbca094819759ecc753a2c33b7422ae88dc6a4a0a966edb8485a18e59a0283ba2686cae5d78e0190a3

    • memory/996-65-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/996-70-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/996-71-0x00000000003F0000-0x0000000000400000-memory.dmp

      Filesize

      64KB

    • memory/996-69-0x00000000006E0000-0x00000000009E3000-memory.dmp

      Filesize

      3.0MB

    • memory/996-68-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1020-80-0x0000000001E90000-0x0000000001F1F000-memory.dmp

      Filesize

      572KB

    • memory/1020-77-0x0000000000070000-0x000000000009D000-memory.dmp

      Filesize

      180KB

    • memory/1020-78-0x0000000001FC0000-0x00000000022C3000-memory.dmp

      Filesize

      3.0MB

    • memory/1020-76-0x0000000000290000-0x00000000002B6000-memory.dmp

      Filesize

      152KB

    • memory/1020-74-0x0000000000290000-0x00000000002B6000-memory.dmp

      Filesize

      152KB

    • memory/1020-125-0x0000000061E00000-0x0000000061ED2000-memory.dmp

      Filesize

      840KB

    • memory/1212-79-0x0000000004F00000-0x0000000004FF0000-memory.dmp

      Filesize

      960KB

    • memory/1212-83-0x0000000004F00000-0x0000000004FF0000-memory.dmp

      Filesize

      960KB

    • memory/1212-72-0x0000000004AD0000-0x0000000004BCD000-memory.dmp

      Filesize

      1012KB

    • memory/1212-134-0x000007FED2810000-0x000007FED281A000-memory.dmp

      Filesize

      40KB