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Analysis

  • max time kernel
    49s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2023, 21:43

General

  • Target

    dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe

  • Size

    761KB

  • MD5

    4ac6af41f618d75b7807a9cead475a79

  • SHA1

    a40310c7e6a24d74ee9b739fa457ece169066d07

  • SHA256

    dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8

  • SHA512

    08c1ca07e167509698b30ba5cfc17b34f5087c570b9aa138de6267550435006d2e2844051f4eb8f173135de5e96d2a95394df0a7483e05b74943dc47b14c75bc

  • SSDEEP

    12288:/zwlG1wFK2RWwXcPdit4kfFFXFGpaj4Jd++fd/qwvQ9qjd/rFPqFmwwzdDiC7v5q:LwlG1wF9WwXcPdit4kfFFXFGpaj4Jd+/

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 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). Likely ransomware behaviour.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe
    "C:\Users\Admin\AppData\Local\Temp\dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RQGrrRAQiiB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7B49.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1312
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:516

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7B49.tmp

    Filesize

    1KB

    MD5

    315c2575b7caf7464e757b140435f057

    SHA1

    1a8338dfe2ba8717bf1840268cc7e3cfab66268d

    SHA256

    a1fd19a0f3be7af59e4a91e0b37ae37014a3a55f8287edc5f8be37aeef9c303e

    SHA512

    4a5e3530981b97301fac509143af4a720d24a280ad655a89c748599b0d01e95e9a0a6084840f5b97fa3cc74ab56f6e553e8b40a7aa7abfc613dcc1f9642b6d52

  • memory/516-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/516-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/516-91-0x0000000004A80000-0x0000000004AC0000-memory.dmp

    Filesize

    256KB

  • memory/516-73-0x0000000004A80000-0x0000000004AC0000-memory.dmp

    Filesize

    256KB

  • memory/516-72-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/516-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/516-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/516-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/516-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/516-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1304-56-0x00000000003F0000-0x00000000003FE000-memory.dmp

    Filesize

    56KB

  • memory/1304-54-0x0000000000FC0000-0x0000000001084000-memory.dmp

    Filesize

    784KB

  • memory/1304-55-0x0000000004A30000-0x0000000004A70000-memory.dmp

    Filesize

    256KB

  • memory/1304-59-0x0000000000600000-0x0000000000630000-memory.dmp

    Filesize

    192KB

  • memory/1304-58-0x0000000004970000-0x00000000049EE000-memory.dmp

    Filesize

    504KB

  • memory/1304-57-0x0000000004A30000-0x0000000004A70000-memory.dmp

    Filesize

    256KB