Analysis

  • max time kernel
    125s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 16:13

General

  • Target

    d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67.exe

  • Size

    623KB

  • MD5

    94ac1eaa163a4eaa7f3c2af1a6492576

  • SHA1

    d02541e530c70d17e7eef45db7721276b37d9115

  • SHA256

    d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67

  • SHA512

    ee461a658d82349d89732e6782d5606b591d6368ddba56971a2a1863f02886618635fbcd516ae3945176614c893a7257b57950a84cd7d060224d154411940b1b

  • SSDEEP

    12288:nOzdPODoltF8z7gk8+szS510FdxCiyiKVEQhbtqnPIRI9UzBzfpZseXaKeCTOYZ8:nOzdztyz715EvTCiy2sbtCGhxZXXXdCf

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 16 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 16 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 21 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67.exe
    "C:\Users\Admin\AppData\Local\Temp\d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Users\Admin\AppData\Local\Temp\d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67.exe
      "C:\Users\Admin\AppData\Local\Temp\d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1112
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1136
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:828
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
            5⤵
            • Accesses Microsoft Outlook accounts
            PID:1620
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
            5⤵
              PID:2020

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
      Filesize

      102B

      MD5

      ee614a6b75739e465c21ed3495e85356

      SHA1

      0bb2ce726a1e370853251cf2076400b82f8029c5

      SHA256

      201ff56c9005d7adfd2b3f1f555d218b8ddbd71251b1118dd3e88bdd46ffe46b

      SHA512

      d59e96c05a301bc611aebb52ace514e13c08ba7e590ffde9d56a5d9cf97f07bb3dd2424cfdc424de3eb1faf22f322c5c769a7f1d2db92983e72211034d08747a

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      623KB

      MD5

      94ac1eaa163a4eaa7f3c2af1a6492576

      SHA1

      d02541e530c70d17e7eef45db7721276b37d9115

      SHA256

      d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67

      SHA512

      ee461a658d82349d89732e6782d5606b591d6368ddba56971a2a1863f02886618635fbcd516ae3945176614c893a7257b57950a84cd7d060224d154411940b1b

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      623KB

      MD5

      94ac1eaa163a4eaa7f3c2af1a6492576

      SHA1

      d02541e530c70d17e7eef45db7721276b37d9115

      SHA256

      d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67

      SHA512

      ee461a658d82349d89732e6782d5606b591d6368ddba56971a2a1863f02886618635fbcd516ae3945176614c893a7257b57950a84cd7d060224d154411940b1b

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      623KB

      MD5

      94ac1eaa163a4eaa7f3c2af1a6492576

      SHA1

      d02541e530c70d17e7eef45db7721276b37d9115

      SHA256

      d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67

      SHA512

      ee461a658d82349d89732e6782d5606b591d6368ddba56971a2a1863f02886618635fbcd516ae3945176614c893a7257b57950a84cd7d060224d154411940b1b

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      623KB

      MD5

      94ac1eaa163a4eaa7f3c2af1a6492576

      SHA1

      d02541e530c70d17e7eef45db7721276b37d9115

      SHA256

      d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67

      SHA512

      ee461a658d82349d89732e6782d5606b591d6368ddba56971a2a1863f02886618635fbcd516ae3945176614c893a7257b57950a84cd7d060224d154411940b1b

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      623KB

      MD5

      94ac1eaa163a4eaa7f3c2af1a6492576

      SHA1

      d02541e530c70d17e7eef45db7721276b37d9115

      SHA256

      d065cbedb74b7ceb1b9b81fcaacd939cc5ede22951b6ab423b80a8aee2fe7b67

      SHA512

      ee461a658d82349d89732e6782d5606b591d6368ddba56971a2a1863f02886618635fbcd516ae3945176614c893a7257b57950a84cd7d060224d154411940b1b

    • memory/828-103-0x0000000074190000-0x000000007473B000-memory.dmp
      Filesize

      5.7MB

    • memory/828-98-0x0000000000240000-0x00000000002C4000-memory.dmp
      Filesize

      528KB

    • memory/828-94-0x0000000000240000-0x00000000002C4000-memory.dmp
      Filesize

      528KB

    • memory/828-90-0x000000000047EAAE-mapping.dmp
    • memory/828-101-0x0000000000240000-0x00000000002C4000-memory.dmp
      Filesize

      528KB

    • memory/828-105-0x0000000074190000-0x000000007473B000-memory.dmp
      Filesize

      5.7MB

    • memory/828-109-0x0000000002115000-0x0000000002126000-memory.dmp
      Filesize

      68KB

    • memory/828-120-0x0000000002115000-0x0000000002126000-memory.dmp
      Filesize

      68KB

    • memory/1112-69-0x0000000000130000-0x00000000001B4000-memory.dmp
      Filesize

      528KB

    • memory/1112-63-0x000000000047EAAE-mapping.dmp
    • memory/1112-75-0x0000000074740000-0x0000000074CEB000-memory.dmp
      Filesize

      5.7MB

    • memory/1112-81-0x0000000074740000-0x0000000074CEB000-memory.dmp
      Filesize

      5.7MB

    • memory/1112-58-0x0000000000130000-0x00000000001B4000-memory.dmp
      Filesize

      528KB

    • memory/1112-57-0x0000000000130000-0x00000000001B4000-memory.dmp
      Filesize

      528KB

    • memory/1112-72-0x0000000000130000-0x00000000001B4000-memory.dmp
      Filesize

      528KB

    • memory/1112-61-0x0000000000130000-0x00000000001B4000-memory.dmp
      Filesize

      528KB

    • memory/1112-60-0x0000000000130000-0x00000000001B4000-memory.dmp
      Filesize

      528KB

    • memory/1112-65-0x0000000000130000-0x00000000001B4000-memory.dmp
      Filesize

      528KB

    • memory/1112-64-0x0000000000130000-0x00000000001B4000-memory.dmp
      Filesize

      528KB

    • memory/1136-82-0x0000000074740000-0x0000000074CEB000-memory.dmp
      Filesize

      5.7MB

    • memory/1136-93-0x0000000074740000-0x0000000074CEB000-memory.dmp
      Filesize

      5.7MB

    • memory/1136-77-0x0000000000000000-mapping.dmp
    • memory/1584-54-0x0000000075241000-0x0000000075243000-memory.dmp
      Filesize

      8KB

    • memory/1584-56-0x0000000074740000-0x0000000074CEB000-memory.dmp
      Filesize

      5.7MB

    • memory/1584-55-0x0000000074740000-0x0000000074CEB000-memory.dmp
      Filesize

      5.7MB

    • memory/1584-74-0x0000000074740000-0x0000000074CEB000-memory.dmp
      Filesize

      5.7MB

    • memory/1620-119-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1620-112-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1620-106-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1620-111-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1620-107-0x0000000000411654-mapping.dmp
    • memory/2020-113-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2020-114-0x0000000000442628-mapping.dmp
    • memory/2020-117-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2020-118-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2020-121-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB