Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 17:01

General

  • Target

    d0953c37fb42a0841e004087610a49a417c836a87623e8f4c4b9a472c8b3a953.exe

  • Size

    619KB

  • MD5

    b77a4782a3f14851ce63dd8723650271

  • SHA1

    bf60d4097e691d023bd1f4aadc0e8412513e5f42

  • SHA256

    d0953c37fb42a0841e004087610a49a417c836a87623e8f4c4b9a472c8b3a953

  • SHA512

    d52c0831c8420d5efb77f315e98348dde48b225fa18888fde1a30736cefc38ee66ba4a69146bed7e29e3cdd4b8c2c9ff2e22ac239e63cda67816c21b195fdd4b

  • SSDEEP

    12288:5rl74D7XuRnvDTfoXFpn+S6XvsWX/AxUFT0pLEhgW11TVIwMZh:5ryunvDTfofgEWvAxUFQpLEia

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 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 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0953c37fb42a0841e004087610a49a417c836a87623e8f4c4b9a472c8b3a953.exe
    "C:\Users\Admin\AppData\Local\Temp\d0953c37fb42a0841e004087610a49a417c836a87623e8f4c4b9a472c8b3a953.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3376
    • C:\Users\Admin\AppData\Local\Temp\d0953c37fb42a0841e004087610a49a417c836a87623e8f4c4b9a472c8b3a953.exe
      "C:\Users\Admin\AppData\Local\Temp\d0953c37fb42a0841e004087610a49a417c836a87623e8f4c4b9a472c8b3a953.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5028
      • 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:3868
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2276

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

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/2276-144-0x0000000000000000-mapping.dmp
  • memory/2276-150-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2276-148-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2276-147-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2276-145-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3376-136-0x0000000075300000-0x00000000758B1000-memory.dmp
    Filesize

    5.7MB

  • memory/3376-132-0x0000000075300000-0x00000000758B1000-memory.dmp
    Filesize

    5.7MB

  • memory/3376-133-0x0000000075300000-0x00000000758B1000-memory.dmp
    Filesize

    5.7MB

  • memory/3868-138-0x0000000000000000-mapping.dmp
  • memory/3868-141-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3868-142-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3868-139-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/5028-143-0x0000000075300000-0x00000000758B1000-memory.dmp
    Filesize

    5.7MB

  • memory/5028-137-0x0000000075300000-0x00000000758B1000-memory.dmp
    Filesize

    5.7MB

  • memory/5028-135-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/5028-134-0x0000000000000000-mapping.dmp