Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 14:47

General

  • Target

    df9cda22adcc6f050ef0efcf8e93248b254d4708a2616b08531911d10b2a1eb1.exe

  • Size

    660KB

  • MD5

    151f30a098966d3382974b7d05ced991

  • SHA1

    42ad172a0d55c1e71affa18aef0cb9d3d15505f9

  • SHA256

    df9cda22adcc6f050ef0efcf8e93248b254d4708a2616b08531911d10b2a1eb1

  • SHA512

    475d34b9b28011ed85ca84f43da114c080e132b09c5237eb793f6a4cf233eb6460077006dcdd50cddf0de1e33fcc307d4ee9830617711b5f5fb4f5d3630ecde4

  • SSDEEP

    12288:MlYifT4uJoZ0Ez3riLoZZPRi5N1R/XajuYNSdWzkvmvp4HzYUsWKnvrAkW6mg:biVJ80Ezb2oZZPoySgRgmvJUsWcvrAk+

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 2 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).

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df9cda22adcc6f050ef0efcf8e93248b254d4708a2616b08531911d10b2a1eb1.exe
    "C:\Users\Admin\AppData\Local\Temp\df9cda22adcc6f050ef0efcf8e93248b254d4708a2616b08531911d10b2a1eb1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2936
    • 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\df9cda22adcc6f050ef0efcf8e93248b254d4708a2616b08531911d10b2a1eb1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2536
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qGgTuHfRaZXZWV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qGgTuHfRaZXZWV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB606.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2552
    • C:\Users\Admin\AppData\Local\Temp\df9cda22adcc6f050ef0efcf8e93248b254d4708a2616b08531911d10b2a1eb1.exe
      "C:\Users\Admin\AppData\Local\Temp\df9cda22adcc6f050ef0efcf8e93248b254d4708a2616b08531911d10b2a1eb1.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB606.tmp
    Filesize

    1KB

    MD5

    8ec89327e19e302687f79038e9893925

    SHA1

    83cb26f857a15064084959627841b362966d59c0

    SHA256

    ade1fbf8f1990ad416550a8182734015805abd71bee32533bfd7bfc997dfce15

    SHA512

    9dfb4063dc80d5747b42c46f811aba25b7bfa306d164b9deee4806c1558148322b3f318f68128c686675b656fc98fc8df604ac1656fcec434a03deae0975b4cf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0BJP6G5IDMK1XWGDUUUF.temp
    Filesize

    7KB

    MD5

    415a40fc406174e302b0d8fbf7f7b9db

    SHA1

    4ce8bdc491713d66378cfe78237dc746bf78ac2f

    SHA256

    6dc0be971deb693f5cd476c243716b9d1067c0971a9f2021edf80d2a5ee77ce1

    SHA512

    9b09b7f43ec9ba1c0dc15330ffd832be2a348915c826b74a2172766fdc554b0c5ca5b2a787db3ad5fdd0e17b652d5b2447d04f2863f0aecb62195b937193c5b4

  • memory/2484-29-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2484-20-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2484-22-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2484-24-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2484-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2484-28-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2484-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2484-27-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2936-4-0x0000000000430000-0x0000000000440000-memory.dmp
    Filesize

    64KB

  • memory/2936-5-0x0000000005240000-0x00000000052C2000-memory.dmp
    Filesize

    520KB

  • memory/2936-30-0x0000000074A40000-0x000000007512E000-memory.dmp
    Filesize

    6.9MB

  • memory/2936-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
    Filesize

    4KB

  • memory/2936-3-0x0000000000580000-0x000000000059A000-memory.dmp
    Filesize

    104KB

  • memory/2936-2-0x0000000074A40000-0x000000007512E000-memory.dmp
    Filesize

    6.9MB

  • memory/2936-1-0x0000000000B50000-0x0000000000BFA000-memory.dmp
    Filesize

    680KB