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Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07/12/2023, 02:49

General

  • Target

    c08c2912aa3176dfb1e8eb8c86edbec000f6996de442b8ef963fd95a2f8a1c46.exe

  • Size

    652KB

  • MD5

    54210999627035dcc69cd1722e9a6075

  • SHA1

    a390a3fd304888238b6d97028fd331033ca3b064

  • SHA256

    c08c2912aa3176dfb1e8eb8c86edbec000f6996de442b8ef963fd95a2f8a1c46

  • SHA512

    2c98c96b1ce8f4b5dc48e1bd118b6999e410cd817e2f9ea7ce086349eb475be85c5c352697714206a79961684f6d42c803e1ff24ae53969514dbba6dae6869ed

  • SSDEEP

    12288:btFQaueH5qkRRg6wzQApkqiB6vrt52SfDo4n7qo7mCrSgs6vGHp8t+/6:btjqsgdzVk/4B5zfDH7qPv36MKt+/

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c08c2912aa3176dfb1e8eb8c86edbec000f6996de442b8ef963fd95a2f8a1c46.exe
    "C:\Users\Admin\AppData\Local\Temp\c08c2912aa3176dfb1e8eb8c86edbec000f6996de442b8ef963fd95a2f8a1c46.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c08c2912aa3176dfb1e8eb8c86edbec000f6996de442b8ef963fd95a2f8a1c46.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2312
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WRwEGWzTFL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WRwEGWzTFL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2137.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1216
    • C:\Users\Admin\AppData\Local\Temp\c08c2912aa3176dfb1e8eb8c86edbec000f6996de442b8ef963fd95a2f8a1c46.exe
      "C:\Users\Admin\AppData\Local\Temp\c08c2912aa3176dfb1e8eb8c86edbec000f6996de442b8ef963fd95a2f8a1c46.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2137.tmp

    Filesize

    1KB

    MD5

    b0cd687bb9079c119dc0fe069c757c3d

    SHA1

    9fc9fbdfeabf11f6dfc0b78a51f01fefa4f7c0dc

    SHA256

    fb2f295bd144920dd8b36e75a071c961c1ce823e46eb08fa1f18df70d94b55d4

    SHA512

    7331f77e83a1c6175e6712674c9c5b6fc5f097f796963a6ff553646e1545045d48ba6d3f4571ac1a615ab1dbe13992640bdc88df9f8061d0e99594821a128d20

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HYRCG43JGMSXT8C6R6EF.temp

    Filesize

    7KB

    MD5

    3540644b06d1e27826c5c8628d74a327

    SHA1

    cce2314a28c46e3ebf6a496a89b8bf90bdf230a3

    SHA256

    027f2ed1835923c279fb3a5b000c1f2bacf8147b19c00c4c03069b7aa23803ca

    SHA512

    9509744b265fa1cddb4d97b6bfeef440b314c96ce5de4f58e20a375aa132b725b508efaf5c07cce49c89ea1f9041bb8762830e2d4d534894f494f125bd48e88a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    3540644b06d1e27826c5c8628d74a327

    SHA1

    cce2314a28c46e3ebf6a496a89b8bf90bdf230a3

    SHA256

    027f2ed1835923c279fb3a5b000c1f2bacf8147b19c00c4c03069b7aa23803ca

    SHA512

    9509744b265fa1cddb4d97b6bfeef440b314c96ce5de4f58e20a375aa132b725b508efaf5c07cce49c89ea1f9041bb8762830e2d4d534894f494f125bd48e88a

  • memory/1964-42-0x000000006F840000-0x000000006FDEB000-memory.dmp

    Filesize

    5.7MB

  • memory/1964-40-0x0000000002820000-0x0000000002860000-memory.dmp

    Filesize

    256KB

  • memory/1964-38-0x000000006F840000-0x000000006FDEB000-memory.dmp

    Filesize

    5.7MB

  • memory/1964-37-0x0000000002820000-0x0000000002860000-memory.dmp

    Filesize

    256KB

  • memory/1964-35-0x000000006F840000-0x000000006FDEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2288-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2288-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2288-44-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2288-41-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2288-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2288-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2288-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2288-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2288-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2288-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2312-39-0x00000000022E0000-0x0000000002320000-memory.dmp

    Filesize

    256KB

  • memory/2312-36-0x000000006F840000-0x000000006FDEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2312-43-0x000000006F840000-0x000000006FDEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2984-0-0x00000000012B0000-0x0000000001358000-memory.dmp

    Filesize

    672KB

  • memory/2984-34-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2984-5-0x0000000000530000-0x000000000053A000-memory.dmp

    Filesize

    40KB

  • memory/2984-4-0x0000000000520000-0x0000000000528000-memory.dmp

    Filesize

    32KB

  • memory/2984-8-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

    Filesize

    256KB

  • memory/2984-3-0x00000000004C0000-0x00000000004DA000-memory.dmp

    Filesize

    104KB

  • memory/2984-2-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

    Filesize

    256KB

  • memory/2984-6-0x0000000005090000-0x000000000510C000-memory.dmp

    Filesize

    496KB

  • memory/2984-1-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2984-7-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB