Analysis

  • max time kernel
    55s
  • max time network
    75s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-02-2023 13:53

General

  • Target

    tmp.exe

  • Size

    4.4MB

  • MD5

    15ae1218c1c773497a6a5e6db8d11922

  • SHA1

    8596dbd6e5e7dfdfbacd04051d192dd597d72b67

  • SHA256

    14711577406a5d442440b680200c3e2837cdbefe8416f0b50a98849d602b04cf

  • SHA512

    57c417052ace7f7e1b4c60da0549e733e6e1bcc35c3c952a0595501248ef25a801e71148d55334aeb38c57a9ecb851476f7c34fab86ee00d319e95ac79f4c45b

  • SSDEEP

    49152:yb9BphIVBmo8cBBThHHCrmYVzZLbdIo0MaN5EyKktGH5R7of01N:ipCmo/CrmyVYEqGZR7n

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Windows\System32\Wbem\wmic.exe
      wmic os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3636
    • C:\Windows\system32\cmd.exe
      cmd /C "wmic path win32_VideoController get name"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic path win32_VideoController get name
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2080
    • C:\Windows\system32\cmd.exe
      cmd /C "wmic cpu get name"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1632
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic cpu get name
        3⤵
          PID:3376
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell "" "start-process C:\Users\Admin\AppData\Local\Temp\0lhDsS2oR5.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4900

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\0lhDsS2oR5.exe
      Filesize

      12KB

      MD5

      b5c7deca35423af7f2685cddcb2c72f1

      SHA1

      903a465b8d63b190e2aae4b9d4986c7511d2a592

      SHA256

      b27f805e14020b3bb9bcda175e0c609dd4b46b9bd75cf19dfca03cef46a5eca2

      SHA512

      d0f9c2eb9e18ed7e11b80f5089e7d57440d290439645ac8e96eb5a007aa11e43a08cc6c9a378147880a930b67cf9643fd0b7aca976a5133ca22d3081c84bde99

    • C:\Users\Admin\AppData\Local\Temp\RzLNTXYeUCWKsXbGyRAOmBTvKSJfjzaL
      Filesize

      2KB

      MD5

      77e31b1123e94ce5720ceb729a425798

      SHA1

      2b65c95f27d8dca23864a3ed4f78490039ae27bf

      SHA256

      68cafb091d3642a1ad2440bdb51834086945ded836ea25c8f75de7e5fc568d85

      SHA512

      9c660381b859040e20745a1cf42646af3bd3780e2795a5ff3cedc61db9877b608d1fc431a1bd3ba3f25dd3643898b1c0f2abfc067c6634e4ce65de2d4c0c724a

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fbgahxg5.jx2.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\nJObCsNVlgTeMaPEZQleQYhYzRyWJjPj
      Filesize

      71KB

      MD5

      386c014d0948d4fc41afa98cfca9022e

      SHA1

      786cc52d9b962f55f92202c7d50c3707eb62607b

      SHA256

      448b329f3a10bbe3e8f86cd91509c2783b63d28a375231eb23724f5e141420f2

      SHA512

      13d46209c6b052977d6242763b54ac5e35b389e765c82ba773b520ebf5eacabdfdc22b642cb9760e39ad59dd82fa40a31a8d41fd6dd7ea9c9ad08c57b7d8150f

    • memory/4900-192-0x0000022BA6D20000-0x0000022BA6D30000-memory.dmp
      Filesize

      64KB

    • memory/4900-193-0x0000022BA77B0000-0x0000022BA77D2000-memory.dmp
      Filesize

      136KB

    • memory/4900-204-0x0000022BA6D20000-0x0000022BA6D30000-memory.dmp
      Filesize

      64KB

    • memory/4900-205-0x0000022BA6D20000-0x0000022BA6D30000-memory.dmp
      Filesize

      64KB