Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 06:39

General

  • Target

    113f59d0bd4384226e40c17bf899935d.exe

  • Size

    955KB

  • MD5

    113f59d0bd4384226e40c17bf899935d

  • SHA1

    4bf159402cefe87d328182fee0e82297b1fff5c5

  • SHA256

    b77f7c59b071608e552cf6ccae6f9e0e3f6790d83ec7d163713b0eedc6eccf25

  • SHA512

    d8e3717916475013e8ec8cc5a5fef303c4467fe66b944f1031ee73ad964a6a699d3c872a305173ac7565e5000ade605e8cef1cbe3ca9438ac1f85993a69a3b78

  • SSDEEP

    12288:gFrXv++Cjkemhes5D9Bq1U50kb9zU9uRyM3/CsUABjFG3CiEN4/PosRbOt/kUQQj:gFrpCDsz2SCyiJA+O9ENGZOMb

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 2 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • A310logger Executable 4 IoCs
  • Executes dropped EXE 3 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 9 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\113f59d0bd4384226e40c17bf899935d.exe
    "C:\Users\Admin\AppData\Local\Temp\113f59d0bd4384226e40c17bf899935d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\113f59d0bd4384226e40c17bf899935d.exe
      "C:\Users\Admin\AppData\Local\Temp\113f59d0bd4384226e40c17bf899935d.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3880
      • 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
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:692
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:552
      • 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
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4736
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4376
      • 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
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2128
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\MZ.exe.log

    Filesize

    128B

    MD5

    3d238ac6dd6710907edf2ad7893a0ed2

    SHA1

    b07aaeeb31bdc6e94097a254be088b092dc1fb68

    SHA256

    02d215d5b6ea166e6c4c4669547cbadecbb427d5baf394fbffc7ef374a967501

    SHA512

    c358aa68303aa99ebc019014b4c1fc2fbfa98733f1ea863bf78ca2b877dc5c610121115432d96504df9e43bdda637b067359b07228b6f129bc5ec9a01ed3ee24

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\InstallUtil.exe.log

    Filesize

    496B

    MD5

    5370d1dff94d27a9a6cfab002a5c444b

    SHA1

    fecadd9e884c57822ebeae897a3989c0e678fd1a

    SHA256

    0ddb4ec9a919c3566a4ab48ce605f24816e6fb2efdd6e4070a54a1f5912ec946

    SHA512

    67a3787e49e7d8ea23b3e1766639b36e685cf404042bc270f5c43dc0b0f50623778cb98c013577b3a0a3b425b608ff4e944e29df3725425ce6383759fe7534eb

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

    Filesize

    20KB

    MD5

    1bad0cbd09b05a21157d8255dc801778

    SHA1

    ff284bba12f011b72e20d4c9537d6c455cdbf228

    SHA256

    218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

    SHA512

    4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

  • memory/552-32-0x00007FF95D970000-0x00007FF95E311000-memory.dmp

    Filesize

    9.6MB

  • memory/552-33-0x0000000000970000-0x0000000000980000-memory.dmp

    Filesize

    64KB

  • memory/552-40-0x00007FF95D970000-0x00007FF95E311000-memory.dmp

    Filesize

    9.6MB

  • memory/552-39-0x00007FF95D970000-0x00007FF95E311000-memory.dmp

    Filesize

    9.6MB

  • memory/692-34-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/692-19-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/692-42-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/692-17-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/692-18-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/692-20-0x00000000011E0000-0x00000000011F0000-memory.dmp

    Filesize

    64KB

  • memory/2128-69-0x0000000074580000-0x0000000074B31000-memory.dmp

    Filesize

    5.7MB

  • memory/2128-68-0x0000000074580000-0x0000000074B31000-memory.dmp

    Filesize

    5.7MB

  • memory/2128-83-0x0000000074580000-0x0000000074B31000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-7-0x0000000005200000-0x000000000521E000-memory.dmp

    Filesize

    120KB

  • memory/2540-15-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/2540-0-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/2540-9-0x0000000005370000-0x0000000005386000-memory.dmp

    Filesize

    88KB

  • memory/2540-8-0x00000000054C0000-0x0000000005538000-memory.dmp

    Filesize

    480KB

  • memory/2540-6-0x0000000005670000-0x0000000005680000-memory.dmp

    Filesize

    64KB

  • memory/2540-5-0x00000000053E0000-0x000000000547C000-memory.dmp

    Filesize

    624KB

  • memory/2540-4-0x00000000052C0000-0x0000000005336000-memory.dmp

    Filesize

    472KB

  • memory/2540-3-0x0000000005220000-0x00000000052B2000-memory.dmp

    Filesize

    584KB

  • memory/2540-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

    Filesize

    5.6MB

  • memory/2540-1-0x0000000000880000-0x0000000000974000-memory.dmp

    Filesize

    976KB

  • memory/3524-82-0x00007FF95D6B0000-0x00007FF95E051000-memory.dmp

    Filesize

    9.6MB

  • memory/3524-81-0x00007FF95D6B0000-0x00007FF95E051000-memory.dmp

    Filesize

    9.6MB

  • memory/3880-10-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3880-35-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3880-13-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4376-61-0x00007FF95D970000-0x00007FF95E311000-memory.dmp

    Filesize

    9.6MB

  • memory/4376-62-0x00000000018C0000-0x00000000018D0000-memory.dmp

    Filesize

    64KB

  • memory/4376-63-0x00007FF95D970000-0x00007FF95E311000-memory.dmp

    Filesize

    9.6MB

  • memory/4376-64-0x00007FF95D970000-0x00007FF95E311000-memory.dmp

    Filesize

    9.6MB

  • memory/4736-65-0x0000000074580000-0x0000000074B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4736-48-0x0000000074580000-0x0000000074B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4736-46-0x0000000074580000-0x0000000074B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4736-47-0x0000000000F20000-0x0000000000F30000-memory.dmp

    Filesize

    64KB