Analysis

  • max time kernel
    6s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 08:49

General

  • Target

    2fa857766a51190a35c523d1e668c419.exe

  • Size

    597KB

  • MD5

    2fa857766a51190a35c523d1e668c419

  • SHA1

    a03a3e40fea2601e2b745b6d111d8b50384f1bd5

  • SHA256

    32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef

  • SHA512

    3c54fd2dcfce7e412b8fe2bf328b7feb22dc2eabc24b14040255b7844280c0b4e5d9860c3e244fd90e5702b51454a406039bfd4edd245ee0f530eac4ed191556

  • SSDEEP

    12288:pjxXyjFxBYSk/XE+DF7ruopsW+grfBecYSDE5JVKV6m9E1/E:pjlyZxBAXdZ75CgEcfDE5kKdE

Malware Config

Signatures

  • A310logger

    A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • Detect ZGRat V1 1 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 7 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • A310logger Executable 8 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2fa857766a51190a35c523d1e668c419.exe
    "C:\Users\Admin\AppData\Local\Temp\2fa857766a51190a35c523d1e668c419.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\2fa857766a51190a35c523d1e668c419.exe
      "C:\Users\Admin\AppData\Local\Temp\2fa857766a51190a35c523d1e668c419.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • outlook_office_path
        • outlook_win_path
        PID:2768
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
          4⤵
            PID:1956
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
          3⤵
            PID:1388
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
            3⤵
              PID:2372
              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
                4⤵
                  PID:1528

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Credential Access

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          System Information Discovery

          2
          T1082

          Query Registry

          1
          T1012

          Collection

          Data from Local System

          1
          T1005

          Email Collection

          1
          T1114

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            344B

            MD5

            72a7632027dedb229806ac3df1171a0d

            SHA1

            f19bbd06eb66602398175af64d868fd4ed7333dc

            SHA256

            a9e33dacc1bddf8d1e860361b5ca6b985850c68fa8403290f947bd3e5f6e2544

            SHA512

            f63e3a89e69eab9fa5819762db0e0a7d14d1ed05009b0fa71d695ea5e64277f655c1356d9faaebaf2a49b6f7182d5ffa310b793175af7cbe644e814787128284

          • C:\Users\Admin\AppData\Local\Temp\Cab9E63.tmp
            Filesize

            30KB

            MD5

            c59b19dcf7725b5c2e3e148879a0f8ce

            SHA1

            e83439d0edc1a4580cee5743bbe8091380015f14

            SHA256

            53060476a1b8ae0812efdf4740d4de144ab47eba200320f13657d9ed44c3d041

            SHA512

            680106501fcf309bcbb113ed843dbd7685a0b674cc05ac85e6b0d2ab3b0dc2c835f781fe13d2ebc775496ba6da50d7ae464821bb63c13e5ef55a501d8829725e

          • C:\Users\Admin\AppData\Local\Temp\Tar9F41.tmp
            Filesize

            39KB

            MD5

            34325be3507824570b2b8f4219a6e121

            SHA1

            b788bfeda0d4d8cbcc68b011f3dec9d6758dc4f0

            SHA256

            22f6ca482d117df1cd1f288b5c4c72eab457a5401d2e3ed4dcca05baa444ca1e

            SHA512

            90820b72619aa136275a5968ecaae8649bedf7c7b3dcde20b835316bd26b98b44b49f37a875b6cbf45cc42d6bcf5fbc82755331d9c546df91b5d894132dc02b5

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
            Filesize

            20KB

            MD5

            1bad0cbd09b05a21157d8255dc801778

            SHA1

            ff284bba12f011b72e20d4c9537d6c455cdbf228

            SHA256

            218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

            SHA512

            4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

          • memory/1528-159-0x000007FEF5650000-0x000007FEF5FED000-memory.dmp
            Filesize

            9.6MB

          • memory/1528-155-0x000007FEF5650000-0x000007FEF5FED000-memory.dmp
            Filesize

            9.6MB

          • memory/1528-157-0x000007FEF5650000-0x000007FEF5FED000-memory.dmp
            Filesize

            9.6MB

          • memory/1528-156-0x0000000001F80000-0x0000000002000000-memory.dmp
            Filesize

            512KB

          • memory/1956-107-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp
            Filesize

            9.6MB

          • memory/1956-106-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp
            Filesize

            9.6MB

          • memory/2252-11-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/2252-14-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/2252-102-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/2252-7-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/2252-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
            Filesize

            4KB

          • memory/2252-5-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/2252-6-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/2372-158-0x0000000073DF0000-0x000000007439B000-memory.dmp
            Filesize

            5.7MB

          • memory/2372-122-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
            Filesize

            4KB

          • memory/2372-131-0x0000000073DF0000-0x000000007439B000-memory.dmp
            Filesize

            5.7MB

          • memory/2372-130-0x0000000000360000-0x00000000003A0000-memory.dmp
            Filesize

            256KB

          • memory/2372-126-0x0000000000400000-0x0000000000418000-memory.dmp
            Filesize

            96KB

          • memory/2372-129-0x0000000073DF0000-0x000000007439B000-memory.dmp
            Filesize

            5.7MB

          • memory/2372-128-0x0000000000400000-0x0000000000418000-memory.dmp
            Filesize

            96KB

          • memory/2508-13-0x0000000074130000-0x000000007481E000-memory.dmp
            Filesize

            6.9MB

          • memory/2508-1-0x0000000074130000-0x000000007481E000-memory.dmp
            Filesize

            6.9MB

          • memory/2508-4-0x0000000000380000-0x0000000000396000-memory.dmp
            Filesize

            88KB

          • memory/2508-3-0x0000000004AA0000-0x0000000004AE0000-memory.dmp
            Filesize

            256KB

          • memory/2508-2-0x0000000000C70000-0x0000000000CE8000-memory.dmp
            Filesize

            480KB

          • memory/2508-0-0x00000000010B0000-0x000000000114A000-memory.dmp
            Filesize

            616KB

          • memory/2768-27-0x0000000000400000-0x0000000000418000-memory.dmp
            Filesize

            96KB

          • memory/2768-108-0x0000000073EB0000-0x000000007445B000-memory.dmp
            Filesize

            5.7MB

          • memory/2768-103-0x0000000073EB0000-0x000000007445B000-memory.dmp
            Filesize

            5.7MB

          • memory/2768-33-0x0000000073EB0000-0x000000007445B000-memory.dmp
            Filesize

            5.7MB

          • memory/2768-34-0x0000000000C70000-0x0000000000CB0000-memory.dmp
            Filesize

            256KB

          • memory/2768-32-0x0000000073EB0000-0x000000007445B000-memory.dmp
            Filesize

            5.7MB

          • memory/2768-17-0x0000000000400000-0x0000000000418000-memory.dmp
            Filesize

            96KB

          • memory/2768-19-0x0000000000400000-0x0000000000418000-memory.dmp
            Filesize

            96KB

          • memory/2768-21-0x0000000000400000-0x0000000000418000-memory.dmp
            Filesize

            96KB

          • memory/2768-23-0x0000000000400000-0x0000000000418000-memory.dmp
            Filesize

            96KB

          • memory/2768-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
            Filesize

            4KB

          • memory/2768-29-0x0000000000400000-0x0000000000418000-memory.dmp
            Filesize

            96KB

          • memory/2768-31-0x0000000000400000-0x0000000000418000-memory.dmp
            Filesize

            96KB