Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • resource tags

    arch:x64arch:x86image:win7-20220414-enlocale:en-usos:windows7-x64system
  • submitted
    17-07-2022 15:07

General

  • Target

    51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879.exe

  • Size

    958KB

  • MD5

    1e36889624db92dfefc58f9bb1946f27

  • SHA1

    913eb1a83bb89069697488f98678d2f08f4b26d5

  • SHA256

    51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

  • SHA512

    51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    jozo2018

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 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879.exe
    "C:\Users\Admin\AppData\Local\Temp\51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879.exe
      C:\Users\Admin\AppData\Local\Temp\51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:948
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:1868
          • 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:1808
          • 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⤵
              PID:1608

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      102B

      MD5

      0511f819df58e36da795e56c4985acf6

      SHA1

      563df302404600543a7823a59a72a34de6158697

      SHA256

      e5f07e6e3132168e1eff0e676c1952eb7a1333453a47955dc988c13db1ed4c7a

      SHA512

      b898a3dfe2976f0eaf9c4f5852cde820300757a8014de1f7accd0dadf4da1ee440004b9d92bb1191f37454dc81f64cd2cd770a3e21db579a32a92f63a6116e8f

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

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

      Filesize

      958KB

      MD5

      1e36889624db92dfefc58f9bb1946f27

      SHA1

      913eb1a83bb89069697488f98678d2f08f4b26d5

      SHA256

      51cdbed80ca92cb74429b01d57e832beb90d4b6ffbcf7639281e3713761d8879

      SHA512

      51ee65fc1a57689e52ad57d63942593727e650c881c24c350a0dc676dc329bd1e4cf30c2faaf5d7a11c2018ec48e0d2351c6a35418a905199915de788f7e4e3c

    • memory/948-88-0x00000000776B0000-0x0000000077830000-memory.dmp

      Filesize

      1.5MB

    • memory/1608-127-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1608-124-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1608-119-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1732-57-0x00000000754A1000-0x00000000754A3000-memory.dmp

      Filesize

      8KB

    • memory/1732-56-0x00000000003C0000-0x00000000003C7000-memory.dmp

      Filesize

      28KB

    • memory/1732-59-0x00000000776B0000-0x0000000077830000-memory.dmp

      Filesize

      1.5MB

    • memory/1808-115-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1808-121-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1808-111-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1808-107-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1868-104-0x00000000776B0000-0x0000000077830000-memory.dmp

      Filesize

      1.5MB

    • memory/1868-95-0x0000000000400000-0x0000000000477000-memory.dmp

      Filesize

      476KB

    • memory/1868-103-0x00000000776B0000-0x0000000077830000-memory.dmp

      Filesize

      1.5MB

    • memory/1868-105-0x0000000074800000-0x0000000074DAB000-memory.dmp

      Filesize

      5.7MB

    • memory/1868-128-0x0000000006C75000-0x0000000006C86000-memory.dmp

      Filesize

      68KB

    • memory/1868-99-0x0000000002750000-0x00000000027E0000-memory.dmp

      Filesize

      576KB

    • memory/1868-118-0x0000000074800000-0x0000000074DAB000-memory.dmp

      Filesize

      5.7MB

    • memory/1868-92-0x0000000000230000-0x000000000031F000-memory.dmp

      Filesize

      956KB

    • memory/1868-113-0x0000000000230000-0x000000000031F000-memory.dmp

      Filesize

      956KB

    • memory/1868-114-0x0000000006C75000-0x0000000006C86000-memory.dmp

      Filesize

      68KB

    • memory/1868-102-0x0000000008DB0000-0x00000000098A8000-memory.dmp

      Filesize

      11.0MB

    • memory/1868-117-0x00000000776B0000-0x0000000077830000-memory.dmp

      Filesize

      1.5MB

    • memory/1868-116-0x00000000776B0000-0x0000000077830000-memory.dmp

      Filesize

      1.5MB

    • memory/1988-66-0x0000000001DE0000-0x0000000001E70000-memory.dmp

      Filesize

      576KB

    • memory/1988-69-0x00000000776B0000-0x0000000077830000-memory.dmp

      Filesize

      1.5MB

    • memory/1988-70-0x00000000776B0000-0x0000000077830000-memory.dmp

      Filesize

      1.5MB

    • memory/1988-63-0x0000000000400000-0x0000000000477000-memory.dmp

      Filesize

      476KB

    • memory/1988-77-0x0000000074880000-0x0000000074E2B000-memory.dmp

      Filesize

      5.7MB

    • memory/1988-76-0x00000000776B0000-0x0000000077830000-memory.dmp

      Filesize

      1.5MB

    • memory/1988-71-0x0000000074880000-0x0000000074E2B000-memory.dmp

      Filesize

      5.7MB