Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    20-01-2021 14:03

General

  • Target

    090008000000000000.exe

  • Size

    1.2MB

  • MD5

    4c7fe9c4af3c08960d1490c0ba409694

  • SHA1

    67b090a0aab7e6452d4fba12f2d625e276402096

  • SHA256

    614f64c6f6fb4e6a6bdb91333773972139b112937bff6a22e19c9a5d283b8097

  • SHA512

    a5d70d3958b0979f39d2417cdfb26de1aac81482d48151310fa8cf99ad0d7ddeb83f1812ac611debd7ee052adb7bd109d5828e09a2fd765be2dbf5e35a3889a6

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    info@bilgitekdagitim.com
  • Password:
    italik2015

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    info@bilgitekdagitim.com
  • Password:
    italik2015

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    info@bilgitekdagitim.com
  • Password:
    italik2015

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    info@bilgitekdagitim.com
  • Password:
    italik2015

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Matiex

    Matiex is a keylogger and infostealer first seen in July 2020.

  • Matiex Main Payload 6 IoCs
  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 6 IoCs
  • AgentTesla Payload 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 6 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\090008000000000000.exe
    "C:\Users\Admin\AppData\Local\Temp\090008000000000000.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\090008000000000000.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1304
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Users\Admin\AppData\Local\Temp\4.0.exe
        "C:\Users\Admin\AppData\Local\Temp\4.0.exe" 0
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1716
      • C:\Users\Admin\AppData\Local\Temp\bilgi snake 2021.exe
        "C:\Users\Admin\AppData\Local\Temp\bilgi snake 2021.exe" 0
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1696
      • C:\Users\Admin\AppData\Local\Temp\MATIEX GODISOD 4.0 .exe
        "C:\Users\Admin\AppData\Local\Temp\MATIEX GODISOD 4.0 .exe" 0
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:588
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          4⤵
            PID:1784

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
      MD5

      29acac6684cc14727efff0163318761f

      SHA1

      5002629661aa1b5a7030c7404b467e8e08a3c044

      SHA256

      cf3935e92395317d12fc1a4f9c8306e34c7304acb5e4a3835cefd653cafb2289

      SHA512

      2edad44428cbc35dbc338af5d477c37369f954bf782d703dee1585592edd2c585fc36ed06dc6f3c751403d6a53e96e8d76645518b80fa6cbd6ccdb894bc28ca9

    • C:\Users\Admin\AppData\Local\Temp\4.0.exe
      MD5

      bd5fe63e3666a489e7a221647f6f3807

      SHA1

      52a8db03aa3db1b9a287688afeffa9f041c3811c

      SHA256

      5a46b373a0a0894870f5a63e52477dbe71e78efe35aa373c30d2edbdf3e35f9e

      SHA512

      631a0ce258d4ae4ab81ca69ff344eb8733e5507b4f88c27f8b7491bed8fe2362f944bbdff51abf3089c03a67149a102cce8989d985e60a9531b77a7f260b90e6

    • C:\Users\Admin\AppData\Local\Temp\4.0.exe
      MD5

      bd5fe63e3666a489e7a221647f6f3807

      SHA1

      52a8db03aa3db1b9a287688afeffa9f041c3811c

      SHA256

      5a46b373a0a0894870f5a63e52477dbe71e78efe35aa373c30d2edbdf3e35f9e

      SHA512

      631a0ce258d4ae4ab81ca69ff344eb8733e5507b4f88c27f8b7491bed8fe2362f944bbdff51abf3089c03a67149a102cce8989d985e60a9531b77a7f260b90e6

    • C:\Users\Admin\AppData\Local\Temp\MATIEX GODISOD 4.0 .exe
      MD5

      f615aa95251fc14492843942a588614c

      SHA1

      296669e81c271762d5068f8a9ecbb354ffc335c9

      SHA256

      e0b3bd3f2fadd3ef560c7dc1c13e1f50351e8df61139eb8e6367badf7689e71b

      SHA512

      ad58e4b52132a0c186ff14040bf95cc1c8d65b307c90a6004e1d58e365c91635d998e3259cb5575c79aeb0aed08dd55a827edadfbef7f0ecfbc500dd9b42b6f1

    • C:\Users\Admin\AppData\Local\Temp\MATIEX GODISOD 4.0 .exe
      MD5

      f615aa95251fc14492843942a588614c

      SHA1

      296669e81c271762d5068f8a9ecbb354ffc335c9

      SHA256

      e0b3bd3f2fadd3ef560c7dc1c13e1f50351e8df61139eb8e6367badf7689e71b

      SHA512

      ad58e4b52132a0c186ff14040bf95cc1c8d65b307c90a6004e1d58e365c91635d998e3259cb5575c79aeb0aed08dd55a827edadfbef7f0ecfbc500dd9b42b6f1

    • C:\Users\Admin\AppData\Local\Temp\bilgi snake 2021.exe
      MD5

      e33e63bda6a3976ecadfa9ee6f096944

      SHA1

      68b683bb325ae9c21f471593f007c797a02dc497

      SHA256

      c2d3a6b20eb4bc377bf9be955b23615492786be0613373bfc7f440ab872a8142

      SHA512

      91b672e86e30804e7e632d79e78c99ac9a0ee7c8468ad9eecc555f15773bb535d430f0c39efa61d9afdec7bb3f05f97cd18126e6c16eb6b1036e131b8f256142

    • C:\Users\Admin\AppData\Local\Temp\bilgi snake 2021.exe
      MD5

      e33e63bda6a3976ecadfa9ee6f096944

      SHA1

      68b683bb325ae9c21f471593f007c797a02dc497

      SHA256

      c2d3a6b20eb4bc377bf9be955b23615492786be0613373bfc7f440ab872a8142

      SHA512

      91b672e86e30804e7e632d79e78c99ac9a0ee7c8468ad9eecc555f15773bb535d430f0c39efa61d9afdec7bb3f05f97cd18126e6c16eb6b1036e131b8f256142

    • \Users\Admin\AppData\Local\Temp\4.0.exe
      MD5

      bd5fe63e3666a489e7a221647f6f3807

      SHA1

      52a8db03aa3db1b9a287688afeffa9f041c3811c

      SHA256

      5a46b373a0a0894870f5a63e52477dbe71e78efe35aa373c30d2edbdf3e35f9e

      SHA512

      631a0ce258d4ae4ab81ca69ff344eb8733e5507b4f88c27f8b7491bed8fe2362f944bbdff51abf3089c03a67149a102cce8989d985e60a9531b77a7f260b90e6

    • \Users\Admin\AppData\Local\Temp\MATIEX GODISOD 4.0 .exe
      MD5

      f615aa95251fc14492843942a588614c

      SHA1

      296669e81c271762d5068f8a9ecbb354ffc335c9

      SHA256

      e0b3bd3f2fadd3ef560c7dc1c13e1f50351e8df61139eb8e6367badf7689e71b

      SHA512

      ad58e4b52132a0c186ff14040bf95cc1c8d65b307c90a6004e1d58e365c91635d998e3259cb5575c79aeb0aed08dd55a827edadfbef7f0ecfbc500dd9b42b6f1

    • \Users\Admin\AppData\Local\Temp\bilgi snake 2021.exe
      MD5

      e33e63bda6a3976ecadfa9ee6f096944

      SHA1

      68b683bb325ae9c21f471593f007c797a02dc497

      SHA256

      c2d3a6b20eb4bc377bf9be955b23615492786be0613373bfc7f440ab872a8142

      SHA512

      91b672e86e30804e7e632d79e78c99ac9a0ee7c8468ad9eecc555f15773bb535d430f0c39efa61d9afdec7bb3f05f97cd18126e6c16eb6b1036e131b8f256142

    • memory/588-42-0x0000000000250000-0x0000000000251000-memory.dmp
      Filesize

      4KB

    • memory/588-34-0x0000000000000000-mapping.dmp
    • memory/588-38-0x00000000743D0000-0x0000000074ABE000-memory.dmp
      Filesize

      6.9MB

    • memory/588-65-0x0000000004D00000-0x0000000004D01000-memory.dmp
      Filesize

      4KB

    • memory/1304-10-0x00000000743D0000-0x0000000074ABE000-memory.dmp
      Filesize

      6.9MB

    • memory/1304-9-0x00000000760B1000-0x00000000760B3000-memory.dmp
      Filesize

      8KB

    • memory/1304-13-0x0000000004A00000-0x0000000004A01000-memory.dmp
      Filesize

      4KB

    • memory/1304-50-0x00000000056D0000-0x00000000056D1000-memory.dmp
      Filesize

      4KB

    • memory/1304-56-0x000000007EF30000-0x000000007EF31000-memory.dmp
      Filesize

      4KB

    • memory/1304-44-0x0000000001110000-0x0000000001111000-memory.dmp
      Filesize

      4KB

    • memory/1304-12-0x00000000009F0000-0x00000000009F1000-memory.dmp
      Filesize

      4KB

    • memory/1304-55-0x0000000005710000-0x0000000005711000-memory.dmp
      Filesize

      4KB

    • memory/1304-16-0x00000000049C0000-0x00000000049C1000-memory.dmp
      Filesize

      4KB

    • memory/1304-19-0x00000000049C2000-0x00000000049C3000-memory.dmp
      Filesize

      4KB

    • memory/1304-64-0x0000000006280000-0x0000000006281000-memory.dmp
      Filesize

      4KB

    • memory/1304-47-0x00000000012D0000-0x00000000012D1000-memory.dmp
      Filesize

      4KB

    • memory/1304-8-0x0000000000000000-mapping.dmp
    • memory/1304-57-0x00000000061B0000-0x00000000061B1000-memory.dmp
      Filesize

      4KB

    • memory/1696-39-0x0000000000CD0000-0x0000000000CD1000-memory.dmp
      Filesize

      4KB

    • memory/1696-32-0x00000000743D0000-0x0000000074ABE000-memory.dmp
      Filesize

      6.9MB

    • memory/1696-28-0x0000000000000000-mapping.dmp
    • memory/1696-45-0x0000000004A70000-0x0000000004A71000-memory.dmp
      Filesize

      4KB

    • memory/1716-30-0x0000000000E00000-0x0000000000E01000-memory.dmp
      Filesize

      4KB

    • memory/1716-40-0x0000000004A20000-0x0000000004A21000-memory.dmp
      Filesize

      4KB

    • memory/1716-26-0x00000000743D0000-0x0000000074ABE000-memory.dmp
      Filesize

      6.9MB

    • memory/1716-23-0x0000000000000000-mapping.dmp
    • memory/1716-70-0x0000000004A21000-0x0000000004A22000-memory.dmp
      Filesize

      4KB

    • memory/1784-67-0x0000000000000000-mapping.dmp
    • memory/1808-18-0x0000000000400000-0x000000000050C000-memory.dmp
      Filesize

      1.0MB

    • memory/1808-15-0x000000000040104C-mapping.dmp
    • memory/1808-14-0x0000000000400000-0x000000000050C000-memory.dmp
      Filesize

      1.0MB

    • memory/1872-11-0x0000000000290000-0x000000000029F000-memory.dmp
      Filesize

      60KB

    • memory/1872-7-0x0000000004B25000-0x0000000004B36000-memory.dmp
      Filesize

      68KB

    • memory/1872-6-0x0000000005080000-0x000000000519E000-memory.dmp
      Filesize

      1.1MB

    • memory/1872-5-0x0000000004B20000-0x0000000004B21000-memory.dmp
      Filesize

      4KB

    • memory/1872-66-0x0000000004B36000-0x0000000004B37000-memory.dmp
      Filesize

      4KB

    • memory/1872-2-0x00000000743D0000-0x0000000074ABE000-memory.dmp
      Filesize

      6.9MB

    • memory/1872-3-0x0000000001000000-0x0000000001001000-memory.dmp
      Filesize

      4KB

    • memory/1872-46-0x0000000000820000-0x0000000000821000-memory.dmp
      Filesize

      4KB