Analysis

  • max time kernel
    201s
  • max time network
    311s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 10:00

General

  • Target

    6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed.exe

  • Size

    525KB

  • MD5

    5f301ededa07ad68b3393620c739f8c0

  • SHA1

    c5166fe823ab114131517423c6773e347b342d21

  • SHA256

    6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed

  • SHA512

    25acad5eafaad7cb42e3b5532046a78427f95d522108572ddd5b7eee6e8cba2fcd2ac587e8ca6aa4c39e25dd9d3a3784f44b11a4abd59260b517878d1ecfb732

  • SSDEEP

    12288:cOTa5gefjJ2YFYsMN40A/QSPIcFGZcWf41cFpE00oLzId:NEgajZFDPR/h7GL4SPB0

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    deelogs@mail.ru
  • Password:
    Nail1opr

Signatures

  • HawkEye

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

  • NirSoft MailPassView 21 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 15 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 21 IoCs
  • Executes dropped EXE 4 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Obfuscated with Agile.Net obfuscator 7 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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
  • Adds Run key to start application 2 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed.exe
    "C:\Users\Admin\AppData\Local\Temp\6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed.exe
      "C:\Users\Admin\AppData\Local\Temp\6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1760
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1944
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1944 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1996
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1388
        • 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 behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1460
          • C:\Users\Admin\AppData\Roaming\Windows Update.exe
            "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
            5⤵
            • Executes dropped EXE
            PID:360
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1480
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
              6⤵
              • 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:1132
              • 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"
                7⤵
                  PID:1544

    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

    2
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      71B

      MD5

      70a018690e24ca462bf8d9149857d9ea

      SHA1

      1277623aad7474b3efe37c533aa9777fe350c89c

      SHA256

      757de41b3c973cd878e003d8aaff31122b37c8753980a9350661208b2c0a9063

      SHA512

      603e59c4e82a99568d65809285f43e4cabb1beee28b4030a246854d4fd4ea54e14b83e203bbd7ad5979b2e9fecb139e97b8c1d91ea1dde8eaad6a4eff46f4c46

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\2VV2F5JS.txt
      Filesize

      608B

      MD5

      84705b934c496d7956f484a480e8a3e0

      SHA1

      9cb9da015b3f8c3f008b1ec7671ae3917441f15f

      SHA256

      8b00545ea9d283365c03b5e2276ba084b1d69e101ecb5de87f2ce5d516f62630

      SHA512

      474d63b06657c8c8e3faaaa832bb31f67ff8bb2ffe470c7e612bd2efe1d558dce82055ddb963608bd56fb48569d1453121c73c70834146cc281416646d18c246

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
      Filesize

      525KB

      MD5

      5f301ededa07ad68b3393620c739f8c0

      SHA1

      c5166fe823ab114131517423c6773e347b342d21

      SHA256

      6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed

      SHA512

      25acad5eafaad7cb42e3b5532046a78427f95d522108572ddd5b7eee6e8cba2fcd2ac587e8ca6aa4c39e25dd9d3a3784f44b11a4abd59260b517878d1ecfb732

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
      Filesize

      525KB

      MD5

      5f301ededa07ad68b3393620c739f8c0

      SHA1

      c5166fe823ab114131517423c6773e347b342d21

      SHA256

      6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed

      SHA512

      25acad5eafaad7cb42e3b5532046a78427f95d522108572ddd5b7eee6e8cba2fcd2ac587e8ca6aa4c39e25dd9d3a3784f44b11a4abd59260b517878d1ecfb732

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

      525KB

      MD5

      5f301ededa07ad68b3393620c739f8c0

      SHA1

      c5166fe823ab114131517423c6773e347b342d21

      SHA256

      6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed

      SHA512

      25acad5eafaad7cb42e3b5532046a78427f95d522108572ddd5b7eee6e8cba2fcd2ac587e8ca6aa4c39e25dd9d3a3784f44b11a4abd59260b517878d1ecfb732

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

      525KB

      MD5

      5f301ededa07ad68b3393620c739f8c0

      SHA1

      c5166fe823ab114131517423c6773e347b342d21

      SHA256

      6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed

      SHA512

      25acad5eafaad7cb42e3b5532046a78427f95d522108572ddd5b7eee6e8cba2fcd2ac587e8ca6aa4c39e25dd9d3a3784f44b11a4abd59260b517878d1ecfb732

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

      525KB

      MD5

      5f301ededa07ad68b3393620c739f8c0

      SHA1

      c5166fe823ab114131517423c6773e347b342d21

      SHA256

      6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed

      SHA512

      25acad5eafaad7cb42e3b5532046a78427f95d522108572ddd5b7eee6e8cba2fcd2ac587e8ca6aa4c39e25dd9d3a3784f44b11a4abd59260b517878d1ecfb732

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

      525KB

      MD5

      5f301ededa07ad68b3393620c739f8c0

      SHA1

      c5166fe823ab114131517423c6773e347b342d21

      SHA256

      6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed

      SHA512

      25acad5eafaad7cb42e3b5532046a78427f95d522108572ddd5b7eee6e8cba2fcd2ac587e8ca6aa4c39e25dd9d3a3784f44b11a4abd59260b517878d1ecfb732

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

      525KB

      MD5

      5f301ededa07ad68b3393620c739f8c0

      SHA1

      c5166fe823ab114131517423c6773e347b342d21

      SHA256

      6067680dc0860adc3240e978a8c75b958e3fdc279aa706e3b0fdfd86cbc3e4ed

      SHA512

      25acad5eafaad7cb42e3b5532046a78427f95d522108572ddd5b7eee6e8cba2fcd2ac587e8ca6aa4c39e25dd9d3a3784f44b11a4abd59260b517878d1ecfb732

    • memory/360-106-0x000000000047E8CE-mapping.dmp
    • memory/1084-76-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1084-91-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1084-73-0x0000000000000000-mapping.dmp
    • memory/1132-128-0x0000000000170000-0x00000000001F4000-memory.dmp
      Filesize

      528KB

    • memory/1132-124-0x0000000000170000-0x00000000001F4000-memory.dmp
      Filesize

      528KB

    • memory/1132-144-0x0000000000695000-0x00000000006A6000-memory.dmp
      Filesize

      68KB

    • memory/1132-142-0x0000000000695000-0x00000000006A6000-memory.dmp
      Filesize

      68KB

    • memory/1132-136-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1132-135-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1132-131-0x0000000000170000-0x00000000001F4000-memory.dmp
      Filesize

      528KB

    • memory/1132-121-0x000000000047E8CE-mapping.dmp
    • memory/1156-55-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1156-56-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1156-54-0x00000000753F1000-0x00000000753F3000-memory.dmp
      Filesize

      8KB

    • memory/1156-75-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1388-97-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1388-84-0x000000000047E8CE-mapping.dmp
    • memory/1388-86-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1388-88-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1388-90-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1460-98-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1460-93-0x0000000000000000-mapping.dmp
    • memory/1460-114-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1480-133-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1480-113-0x0000000074170000-0x000000007471B000-memory.dmp
      Filesize

      5.7MB

    • memory/1480-109-0x0000000000000000-mapping.dmp
    • memory/1544-143-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1544-137-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1544-146-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1544-145-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1544-141-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1544-138-0x0000000000411654-mapping.dmp
    • memory/1760-72-0x0000000000080000-0x0000000000104000-memory.dmp
      Filesize

      528KB

    • memory/1760-58-0x0000000000080000-0x0000000000104000-memory.dmp
      Filesize

      528KB

    • memory/1760-65-0x0000000000080000-0x0000000000104000-memory.dmp
      Filesize

      528KB

    • memory/1760-64-0x0000000000080000-0x0000000000104000-memory.dmp
      Filesize

      528KB

    • memory/1760-57-0x0000000000080000-0x0000000000104000-memory.dmp
      Filesize

      528KB

    • memory/1760-60-0x0000000000080000-0x0000000000104000-memory.dmp
      Filesize

      528KB

    • memory/1760-69-0x0000000000080000-0x0000000000104000-memory.dmp
      Filesize

      528KB

    • memory/1760-63-0x000000000047E8CE-mapping.dmp
    • memory/1760-61-0x0000000000080000-0x0000000000104000-memory.dmp
      Filesize

      528KB