Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:10

General

  • Target

    order180620203350884322.exe

  • Size

    892KB

  • MD5

    f4575f446a35cbcbfff76e22ade3f6a7

  • SHA1

    3b4fbb267e15146c2ba216dad5bad7630e088483

  • SHA256

    da2e87ff6e505f0e64c3804f5355d693d9fd69e71916812f75bcd43b6cd445ec

  • SHA512

    266bf4328cd5fe40d9bb362ae0e926404f63c229bc66323db8c3ac519a00b1417a4c90d207530ec975b7b5e86626cb1b3c19f3dcd90eb8487c33ec097ca94911

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.urban.co.th
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Urban@1143

Signatures

  • HawkEye

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

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order180620203350884322.exe
    "C:\Users\Admin\AppData\Local\Temp\order180620203350884322.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Users\Admin\AppData\Local\Temp\order180620203350884322.exe
      "C:\Users\Admin\AppData\Local\Temp\order180620203350884322.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4404
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • 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:4484
          • 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:4036
          • 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⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4028

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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    61B

    MD5

    c5ec94500ec0c8724ce174a925442ffa

    SHA1

    63da3cbb20a8f10a7affbf102efd7b65cdae40ae

    SHA256

    5cceb8eb3025094c80303a8c3ce3024133361e484f16794d61164e930e79ae7f

    SHA512

    0e6c9a6132467ef221ee133bcf6ad7173bb4aadce0d83a356df050d29094b9490adcc8fb56bb18eadd214b10961aae36d77d9cbbc5afa317b199ea3bf981ffae

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

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

    892KB

    MD5

    f4575f446a35cbcbfff76e22ade3f6a7

    SHA1

    3b4fbb267e15146c2ba216dad5bad7630e088483

    SHA256

    da2e87ff6e505f0e64c3804f5355d693d9fd69e71916812f75bcd43b6cd445ec

    SHA512

    266bf4328cd5fe40d9bb362ae0e926404f63c229bc66323db8c3ac519a00b1417a4c90d207530ec975b7b5e86626cb1b3c19f3dcd90eb8487c33ec097ca94911

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

    892KB

    MD5

    f4575f446a35cbcbfff76e22ade3f6a7

    SHA1

    3b4fbb267e15146c2ba216dad5bad7630e088483

    SHA256

    da2e87ff6e505f0e64c3804f5355d693d9fd69e71916812f75bcd43b6cd445ec

    SHA512

    266bf4328cd5fe40d9bb362ae0e926404f63c229bc66323db8c3ac519a00b1417a4c90d207530ec975b7b5e86626cb1b3c19f3dcd90eb8487c33ec097ca94911

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

    892KB

    MD5

    f4575f446a35cbcbfff76e22ade3f6a7

    SHA1

    3b4fbb267e15146c2ba216dad5bad7630e088483

    SHA256

    da2e87ff6e505f0e64c3804f5355d693d9fd69e71916812f75bcd43b6cd445ec

    SHA512

    266bf4328cd5fe40d9bb362ae0e926404f63c229bc66323db8c3ac519a00b1417a4c90d207530ec975b7b5e86626cb1b3c19f3dcd90eb8487c33ec097ca94911

  • memory/2240-144-0x0000000075080000-0x0000000075631000-memory.dmp
    Filesize

    5.7MB

  • memory/2240-130-0x0000000000000000-mapping.dmp
  • memory/2240-133-0x0000000000AE0000-0x0000000000B68000-memory.dmp
    Filesize

    544KB

  • memory/2240-132-0x0000000000AE0000-0x0000000000B68000-memory.dmp
    Filesize

    544KB

  • memory/3856-131-0x00000000022C0000-0x00000000022C6000-memory.dmp
    Filesize

    24KB

  • memory/4028-159-0x0000000000000000-mapping.dmp
  • memory/4028-163-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4028-162-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4028-160-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4036-154-0x0000000000000000-mapping.dmp
  • memory/4036-155-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4036-157-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4036-158-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4404-145-0x0000000000000000-mapping.dmp
  • memory/4484-152-0x0000000075240000-0x00000000757F1000-memory.dmp
    Filesize

    5.7MB

  • memory/4484-151-0x0000000000A00000-0x0000000000A88000-memory.dmp
    Filesize

    544KB

  • memory/4484-150-0x0000000000A00000-0x0000000000A88000-memory.dmp
    Filesize

    544KB

  • memory/4484-148-0x0000000000000000-mapping.dmp