Analysis

  • max time kernel
    179s
  • max time network
    188s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    02-08-2022 00:45

General

  • Target

    5b2acc95cb4ff1f813a5f60e61899d61823ce4433e5a6c0e4d70ca9deac052ff.exe

  • Size

    1018KB

  • MD5

    2933735ffb865073c2b817e16c631a86

  • SHA1

    90888d8cb8be66f087d3ffc48fbd30b815bb7bdf

  • SHA256

    5b2acc95cb4ff1f813a5f60e61899d61823ce4433e5a6c0e4d70ca9deac052ff

  • SHA512

    168a98aedeaff9a9de0f919f10afb456a76667e2eea375123860edf86390a23441d299e842cc42b42c9424b754460c64f2c02618e364bb84ba5f31e73aa0f072

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    devidochiboy@vivaldi.net
  • Password:
    qwerty#$12rt

Signatures

  • HawkEye

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

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 10 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 15 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b2acc95cb4ff1f813a5f60e61899d61823ce4433e5a6c0e4d70ca9deac052ff.exe
    "C:\Users\Admin\AppData\Local\Temp\5b2acc95cb4ff1f813a5f60e61899d61823ce4433e5a6c0e4d70ca9deac052ff.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oialCag" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F38.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1468
    • C:\Users\Admin\AppData\Local\Temp\5b2acc95cb4ff1f813a5f60e61899d61823ce4433e5a6c0e4d70ca9deac052ff.exe
      "C:\Users\Admin\AppData\Local\Temp\5b2acc95cb4ff1f813a5f60e61899d61823ce4433e5a6c0e4d70ca9deac052ff.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1720
      • 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"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:784
      • 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"
        3⤵
          PID:1548

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Scripting

    1
    T1064

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Local\Temp\tmp6F38.tmp
      Filesize

      1KB

      MD5

      5c50e30113940fcce6d454c2fe8fb3b7

      SHA1

      acdf9e39658053f887719405e390bbb3e92de3ab

      SHA256

      4aae403464ef847f637722a135144611ca9423ca5f722f1d6866535050f45e11

      SHA512

      790fb3eec937d83b5bc097abae27a6f5165de27b5255c78ac9749bbd37a7f8eadd90c7d990b9b764c5787e71091841a1d49be6cbb815892e53a6819438c987bf

    • memory/784-76-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/784-82-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/784-81-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/784-80-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/784-77-0x0000000000411654-mapping.dmp
    • memory/1468-57-0x0000000000000000-mapping.dmp
    • memory/1548-89-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1548-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1548-84-0x0000000000442628-mapping.dmp
    • memory/1548-83-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1720-62-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1720-65-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1720-73-0x00000000746C0000-0x0000000074C6B000-memory.dmp
      Filesize

      5.7MB

    • memory/1720-74-0x00000000746C0000-0x0000000074C6B000-memory.dmp
      Filesize

      5.7MB

    • memory/1720-75-0x0000000000AC5000-0x0000000000AD6000-memory.dmp
      Filesize

      68KB

    • memory/1720-70-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1720-68-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1720-90-0x0000000000AC5000-0x0000000000AD6000-memory.dmp
      Filesize

      68KB

    • memory/1720-66-0x0000000000480BDE-mapping.dmp
    • memory/1720-64-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1720-59-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1720-60-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2036-54-0x0000000075481000-0x0000000075483000-memory.dmp
      Filesize

      8KB

    • memory/2036-56-0x00000000746C0000-0x0000000074C6B000-memory.dmp
      Filesize

      5.7MB

    • memory/2036-55-0x00000000746C0000-0x0000000074C6B000-memory.dmp
      Filesize

      5.7MB

    • memory/2036-72-0x00000000746C0000-0x0000000074C6B000-memory.dmp
      Filesize

      5.7MB