Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-09-2024 14:55

General

  • Target

    PO. WW-1580 (DPEBO1-2SDC S25- Sep.exe

  • Size

    890KB

  • MD5

    625bb97cb1f555fa83dce31a3c66bcd6

  • SHA1

    ad94d4b5f4a06050ff84c8a3ad1ee89243c0da0b

  • SHA256

    a052182bffe5955f20db7dbc93aef9e3b6123834c80a916b8de94c49fe2e8572

  • SHA512

    7e1afde2fbb78c30dee8306b074eee875ca5b9d8b3fcc10bcdb3015fdac79951c45335a445f7939808856b2ad112f1f8a791c52ee380cceae458c014dfa8e097

  • SSDEEP

    12288:1OKIpsRqwR6kpFEsGyFymANm+lOLHl6ZZy2434FQWsjf/Nvf8bQbsBlgrdm4Vz0D:1usRHR6kpWsG1mj+lOLse243+QF9AIk

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 TTPs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO. WW-1580 (DPEBO1-2SDC S25- Sep.exe
    "C:\Users\Admin\AppData\Local\Temp\PO. WW-1580 (DPEBO1-2SDC S25- Sep.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1928
    • 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\PO. WW-1580 (DPEBO1-2SDC S25- Sep.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:804
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CVkZfzWKmvT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2320
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CVkZfzWKmvT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2720
    • C:\Users\Admin\AppData\Local\Temp\PO. WW-1580 (DPEBO1-2SDC S25- Sep.exe
      "C:\Users\Admin\AppData\Local\Temp\PO. WW-1580 (DPEBO1-2SDC S25- Sep.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp56D.tmp

    Filesize

    1KB

    MD5

    d84696805e5e1efa8d0197fe413dc4f1

    SHA1

    212b951802e9e8a01a31831518b20e81faf72774

    SHA256

    bb4789197f99847de54d058d6d3f96743814217c05b3cc3fd1daeee95454d334

    SHA512

    9f4ef525aa70f67669c257b81dad30afccba6513bf371a84822db2cfb9da5145dc761472cd08ac5bd7da4235e8019bafc39a099f5d9b37067e16ca1208ae504f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0TEL6ACQ9LF52KMTHEYT.temp

    Filesize

    7KB

    MD5

    1421aab44bf219714de5958fbe66ea18

    SHA1

    de6c8d3ca0b3bb8a2ec12b90a48b77fb4c84ad08

    SHA256

    2fb2aed8b00c5269b0f0368a551df2f9d94e37c3cb452f21c564fb2f9e6f6021

    SHA512

    51141c174d988cef8f900389775e47b4954450793240fb4bbf8201e032063e458a664d3df6cdcbc117a446fc22f312a5ce91af89195e2521ec8794196f8b6d36

  • memory/1928-4-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1928-3-0x0000000000620000-0x0000000000632000-memory.dmp

    Filesize

    72KB

  • memory/1928-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/1928-5-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/1928-6-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1928-7-0x0000000005770000-0x00000000057F2000-memory.dmp

    Filesize

    520KB

  • memory/1928-2-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1928-1-0x0000000001380000-0x0000000001462000-memory.dmp

    Filesize

    904KB

  • memory/1928-32-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2932-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2932-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB