Analysis

  • max time kernel
    148s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 19:31

General

  • Target

    ba5b23fdbec77442d3d5e9e87ea46dba8ce7df395fa5668edabe9be96eebae10exe.exe

  • Size

    665KB

  • MD5

    96f35afff27509e6f78a8add621120a7

  • SHA1

    1b095ff5a3ca286029c72dca0bdca94eeffac305

  • SHA256

    ba5b23fdbec77442d3d5e9e87ea46dba8ce7df395fa5668edabe9be96eebae10

  • SHA512

    c27e90ce2e782f7a8dc3923e324aa654d9cd68554214438b9680003f98d1b0f9288cb7b2c601ccc084a82aa1db0e30ab89e485361c84e1b5521d13c9911fb6b2

  • SSDEEP

    12288:Aqc3+GCueH5qNvmL3z8pucAmKE4uqSAs1xVHel9C+0RU2IWUkRmLhR:A/uG2qc36uuKEBPNHelY+0pzNmz

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba5b23fdbec77442d3d5e9e87ea46dba8ce7df395fa5668edabe9be96eebae10exe.exe
    "C:\Users\Admin\AppData\Local\Temp\ba5b23fdbec77442d3d5e9e87ea46dba8ce7df395fa5668edabe9be96eebae10exe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AiCuUAmhRTLtO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AiCuUAmhRTLtO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDDBD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4020
    • C:\Users\Admin\AppData\Local\Temp\ba5b23fdbec77442d3d5e9e87ea46dba8ce7df395fa5668edabe9be96eebae10exe.exe
      "C:\Users\Admin\AppData\Local\Temp\ba5b23fdbec77442d3d5e9e87ea46dba8ce7df395fa5668edabe9be96eebae10exe.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kcg0rmay.dau.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    1KB

    MD5

    fa846a9a4700bc3ddcdc7d45c6ec5f13

    SHA1

    22bf90dc2230c4e2f08d759a9a9b94894fe790b7

    SHA256

    851b623200a8967e632f9bb094fa87ebc456c9ee7ef48d0d84d91236c74c1d36

    SHA512

    6fb2b9d676b89aaba50978f41b33eb69eafc81808e051442b1f265da60323b0cc5edbd218b3e86e930ba1d456a93e0d9672a341e8a12b7d060aed57e972c009a

  • memory/4276-59-0x0000000007140000-0x0000000007302000-memory.dmp

    Filesize

    1.8MB

  • memory/4276-23-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4276-73-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB

  • memory/4276-72-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4276-39-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB

  • memory/4276-57-0x0000000006F20000-0x0000000006F70000-memory.dmp

    Filesize

    320KB

  • memory/4276-25-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4964-66-0x0000000007860000-0x0000000007874000-memory.dmp

    Filesize

    80KB

  • memory/4964-62-0x00000000076A0000-0x00000000076AA000-memory.dmp

    Filesize

    40KB

  • memory/4964-15-0x0000000002940000-0x0000000002976000-memory.dmp

    Filesize

    216KB

  • memory/4964-71-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4964-68-0x0000000007940000-0x0000000007948000-memory.dmp

    Filesize

    32KB

  • memory/4964-18-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4964-19-0x0000000004E30000-0x0000000004E40000-memory.dmp

    Filesize

    64KB

  • memory/4964-67-0x0000000007960000-0x000000000797A000-memory.dmp

    Filesize

    104KB

  • memory/4964-20-0x0000000004E30000-0x0000000004E40000-memory.dmp

    Filesize

    64KB

  • memory/4964-22-0x0000000005470000-0x0000000005A98000-memory.dmp

    Filesize

    6.2MB

  • memory/4964-65-0x0000000007850000-0x000000000785E000-memory.dmp

    Filesize

    56KB

  • memory/4964-64-0x0000000007820000-0x0000000007831000-memory.dmp

    Filesize

    68KB

  • memory/4964-63-0x00000000078A0000-0x0000000007936000-memory.dmp

    Filesize

    600KB

  • memory/4964-27-0x00000000052A0000-0x00000000052C2000-memory.dmp

    Filesize

    136KB

  • memory/4964-33-0x0000000005340000-0x00000000053A6000-memory.dmp

    Filesize

    408KB

  • memory/4964-61-0x0000000007620000-0x000000000763A000-memory.dmp

    Filesize

    104KB

  • memory/4964-60-0x0000000007C80000-0x00000000082FA000-memory.dmp

    Filesize

    6.5MB

  • memory/4964-56-0x0000000007290000-0x00000000072AE000-memory.dmp

    Filesize

    120KB

  • memory/4964-40-0x0000000005EC0000-0x0000000006214000-memory.dmp

    Filesize

    3.3MB

  • memory/4964-41-0x0000000006270000-0x000000000628E000-memory.dmp

    Filesize

    120KB

  • memory/4964-42-0x0000000006300000-0x000000000634C000-memory.dmp

    Filesize

    304KB

  • memory/4964-43-0x0000000004E30000-0x0000000004E40000-memory.dmp

    Filesize

    64KB

  • memory/4964-44-0x000000007FDF0000-0x000000007FE00000-memory.dmp

    Filesize

    64KB

  • memory/4964-45-0x00000000072D0000-0x0000000007302000-memory.dmp

    Filesize

    200KB

  • memory/4964-46-0x0000000070650000-0x000000007069C000-memory.dmp

    Filesize

    304KB

  • memory/4964-38-0x0000000005C10000-0x0000000005C76000-memory.dmp

    Filesize

    408KB

  • memory/4964-58-0x0000000007310000-0x00000000073B3000-memory.dmp

    Filesize

    652KB

  • memory/5084-26-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/5084-7-0x0000000005C20000-0x0000000005C28000-memory.dmp

    Filesize

    32KB

  • memory/5084-3-0x0000000005680000-0x0000000005712000-memory.dmp

    Filesize

    584KB

  • memory/5084-21-0x00000000055E0000-0x00000000055F0000-memory.dmp

    Filesize

    64KB

  • memory/5084-10-0x0000000009280000-0x000000000931C000-memory.dmp

    Filesize

    624KB

  • memory/5084-8-0x00000000067E0000-0x00000000067EA000-memory.dmp

    Filesize

    40KB

  • memory/5084-0-0x0000000000BA0000-0x0000000000C4C000-memory.dmp

    Filesize

    688KB

  • memory/5084-9-0x0000000006AB0000-0x0000000006B1A000-memory.dmp

    Filesize

    424KB

  • memory/5084-17-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/5084-1-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/5084-6-0x00000000058C0000-0x00000000058DA000-memory.dmp

    Filesize

    104KB

  • memory/5084-2-0x0000000005C30000-0x00000000061D4000-memory.dmp

    Filesize

    5.6MB

  • memory/5084-5-0x0000000005650000-0x000000000565A000-memory.dmp

    Filesize

    40KB

  • memory/5084-4-0x00000000055E0000-0x00000000055F0000-memory.dmp

    Filesize

    64KB