Analysis

  • max time kernel
    135s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2022 21:21

General

  • Target

    a97fc5992aa5bdfa1e9ec665a4e3c1702ce5bca09017698f519ccbd252ea0e14.exe

  • Size

    735KB

  • MD5

    87810746b38da07be350a85069cbb871

  • SHA1

    2f8a012c3573e41ece125bb606c9aba77754baee

  • SHA256

    a97fc5992aa5bdfa1e9ec665a4e3c1702ce5bca09017698f519ccbd252ea0e14

  • SHA512

    f6c46294357c25b31893ce8921a14c5faea0cbd4e7a316c9ac4f9a4d76533f2afc48b6cacbc31b6f28fa96367af908a003309b85f6abf1d27c5befe8cad69a19

Score
9/10

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 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 1 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a97fc5992aa5bdfa1e9ec665a4e3c1702ce5bca09017698f519ccbd252ea0e14.exe
    "C:\Users\Admin\AppData\Local\Temp\a97fc5992aa5bdfa1e9ec665a4e3c1702ce5bca09017698f519ccbd252ea0e14.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3112
    • C:\Users\Admin\AppData\Local\Temp\a97fc5992aa5bdfa1e9ec665a4e3c1702ce5bca09017698f519ccbd252ea0e14.exe
      "C:\Users\Admin\AppData\Local\Temp\a97fc5992aa5bdfa1e9ec665a4e3c1702ce5bca09017698f519ccbd252ea0e14.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3116
      • 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\tmpDB0E.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4616
      • 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\tmpE010.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:3612

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\a97fc5992aa5bdfa1e9ec665a4e3c1702ce5bca09017698f519ccbd252ea0e14.exe.log
    Filesize

    405B

    MD5

    bb02d2315b8c3d46390cc8852c350909

    SHA1

    c7eb57165fb7be0cec9a282a56449d35a3e39a53

    SHA256

    6b04fbf03b5064dc32c8cbc7e5f125339ca297622487ed4269da381fa50b7290

    SHA512

    e395ec8866c9ba864bd59bfb84a88538a053740d66e2fa83926597b2e4b357a55f794c5b39c5ae43353f4debc865ec6b4c60494da32a10e643582b6ae130d080

  • C:\Users\Admin\AppData\Local\Temp\tmpDB0E.tmp
    Filesize

    4KB

    MD5

    a64ef19cb7924d0ef7b27699e0237041

    SHA1

    b6392aa8451f0721fcadff793808f8630182e66e

    SHA256

    66635dcdbf3439d7e09ac3f043c0ff6792f1ec281070fea4618d9b5fb287cb56

    SHA512

    66f6ae0b27227cfaf57a28e8f592a899375f763d0dc1e4f0199444b52e026f04243761bb20af127a7815a5c59db3c9fe1c1ff2a3ef069b8eccff3eef68da284b

  • memory/3112-135-0x0000000075160000-0x0000000075711000-memory.dmp
    Filesize

    5.7MB

  • memory/3112-131-0x0000000075160000-0x0000000075711000-memory.dmp
    Filesize

    5.7MB

  • memory/3112-130-0x0000000075160000-0x0000000075711000-memory.dmp
    Filesize

    5.7MB

  • memory/3116-137-0x0000000075160000-0x0000000075711000-memory.dmp
    Filesize

    5.7MB

  • memory/3116-132-0x0000000000000000-mapping.dmp
  • memory/3116-136-0x0000000075160000-0x0000000075711000-memory.dmp
    Filesize

    5.7MB

  • memory/3612-145-0x0000000000000000-mapping.dmp
  • memory/3612-146-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/3612-148-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/3612-149-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/4616-138-0x0000000000000000-mapping.dmp
  • memory/4616-139-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/4616-141-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/4616-142-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/4616-143-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB