Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 12:14

General

  • Target

    PURCHASE ORDER.exe

  • Size

    704KB

  • MD5

    e00fdc1a9fb6b825777ec17cbbae95ca

  • SHA1

    6699ee51a7d91a105a6527ff7e985772c79752a6

  • SHA256

    a48b8a6ca726f32569a7e2041803898a902437ee7724da53accfb6dc52fa8a87

  • SHA512

    7efc37e73190b762358466857e46d49737be973fecf477683a2b65efb0d792cb6c0a98f22d3051dec09264ac1f747aaead7914320e447a08e4671e4b094f5459

  • SSDEEP

    12288:ordsbuCO8nxSdyLC5cGtVeFkXlE9btKHJWkB4SxnRBctrIIR410W:RK8nGy0H1XqjSWkB4St8RS10

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.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1048
    • 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\PURCHASE ORDER.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2192
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hnBSXmzhPbTy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3256
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hnBSXmzhPbTy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp737A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1740
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2808

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          ba246bd2d86f16b8e701e797989d424b

          SHA1

          048769be2e48bd66ddedbfcf9d40addb6168fc16

          SHA256

          37c38ce312bc65167a7a6208217dedc66559bd6dd149472fd7001a8e9db310ad

          SHA512

          473fedc38e188d36b1f2f3db119a5c6c1e8676a24392a64b60198ab38c6725a909b8564892608760cc2dfc6a1b4f72cf4370740f97dcb0722d3fd4e0faa57bec

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          7ead4c4e9561daf5ff6f7b32249dcd6a

          SHA1

          c4b788149891cdcb8257bb49280415954aebce6b

          SHA256

          9d8805c7b8d43b41a818595716f12c837771d82f48adf53956492af2e6bfe1a5

          SHA512

          8de5eeb3764f7cfa86078dda20eab49f5dc54e94b09208574407b62a1d56d7933ac9dc1d90c6c9addb4c07fd6f54b388d5fd79f8e4421facc4fd1953c2431ffb

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fuwswr0p.jeo.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp737A.tmp

          Filesize

          1KB

          MD5

          15e8ca30a865737068bbd53615cfb6cf

          SHA1

          09bf9567ef5ae22888c8d074ba4fc06d97962daf

          SHA256

          7ddd143c0b9e84158e24e2c806a73adfb374cd5cf4b163bce569f0b41f836f6b

          SHA512

          b42e3fb7828b82f2034237619656e7217a7e915efffa71d0b022df287badbe887dcd83be8ba1302c1d8d225792cb5eba2a13e97c7c46a5f02e33cd2366d5baf8

        • memory/1048-6-0x0000000005810000-0x0000000005820000-memory.dmp

          Filesize

          64KB

        • memory/1048-5-0x0000000005680000-0x000000000568A000-memory.dmp

          Filesize

          40KB

        • memory/1048-4-0x0000000005820000-0x0000000005830000-memory.dmp

          Filesize

          64KB

        • memory/1048-7-0x0000000005870000-0x000000000587C000-memory.dmp

          Filesize

          48KB

        • memory/1048-8-0x0000000006AE0000-0x0000000006B62000-memory.dmp

          Filesize

          520KB

        • memory/1048-9-0x000000000A610000-0x000000000A6AC000-memory.dmp

          Filesize

          624KB

        • memory/1048-3-0x00000000055D0000-0x0000000005662000-memory.dmp

          Filesize

          584KB

        • memory/1048-2-0x0000000005C70000-0x0000000006214000-memory.dmp

          Filesize

          5.6MB

        • memory/1048-1-0x0000000074E80000-0x0000000075630000-memory.dmp

          Filesize

          7.7MB

        • memory/1048-0-0x0000000000B40000-0x0000000000BF4000-memory.dmp

          Filesize

          720KB

        • memory/1048-36-0x0000000074E80000-0x0000000075630000-memory.dmp

          Filesize

          7.7MB

        • memory/2192-80-0x00000000072C0000-0x00000000072DA000-memory.dmp

          Filesize

          104KB

        • memory/2192-20-0x0000000005140000-0x0000000005162000-memory.dmp

          Filesize

          136KB

        • memory/2192-17-0x0000000005270000-0x0000000005898000-memory.dmp

          Filesize

          6.2MB

        • memory/2192-94-0x0000000074E80000-0x0000000075630000-memory.dmp

          Filesize

          7.7MB

        • memory/2192-14-0x0000000002600000-0x0000000002636000-memory.dmp

          Filesize

          216KB

        • memory/2192-25-0x00000000051E0000-0x0000000005246000-memory.dmp

          Filesize

          408KB

        • memory/2192-18-0x0000000004C30000-0x0000000004C40000-memory.dmp

          Filesize

          64KB

        • memory/2192-78-0x0000000006ED0000-0x0000000006F73000-memory.dmp

          Filesize

          652KB

        • memory/2192-37-0x0000000005A10000-0x0000000005A76000-memory.dmp

          Filesize

          408KB

        • memory/2192-16-0x0000000004C30000-0x0000000004C40000-memory.dmp

          Filesize

          64KB

        • memory/2192-64-0x00000000064B0000-0x00000000064CE000-memory.dmp

          Filesize

          120KB

        • memory/2192-67-0x0000000004C30000-0x0000000004C40000-memory.dmp

          Filesize

          64KB

        • memory/2192-40-0x0000000005B10000-0x0000000005E64000-memory.dmp

          Filesize

          3.3MB

        • memory/2192-50-0x0000000005F00000-0x0000000005F1E000-memory.dmp

          Filesize

          120KB

        • memory/2192-51-0x0000000005F40000-0x0000000005F8C000-memory.dmp

          Filesize

          304KB

        • memory/2192-52-0x00000000064D0000-0x0000000006502000-memory.dmp

          Filesize

          200KB

        • memory/2192-53-0x000000007EE50000-0x000000007EE60000-memory.dmp

          Filesize

          64KB

        • memory/2192-54-0x00000000711A0000-0x00000000711EC000-memory.dmp

          Filesize

          304KB

        • memory/2192-15-0x0000000074E80000-0x0000000075630000-memory.dmp

          Filesize

          7.7MB

        • memory/2192-81-0x0000000007330000-0x000000000733A000-memory.dmp

          Filesize

          40KB

        • memory/2192-87-0x0000000007600000-0x000000000761A000-memory.dmp

          Filesize

          104KB

        • memory/2808-39-0x00000000057A0000-0x00000000057B0000-memory.dmp

          Filesize

          64KB

        • memory/2808-22-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2808-38-0x0000000074E80000-0x0000000075630000-memory.dmp

          Filesize

          7.7MB

        • memory/2808-84-0x00000000066A0000-0x00000000066F0000-memory.dmp

          Filesize

          320KB

        • memory/2808-96-0x0000000074E80000-0x0000000075630000-memory.dmp

          Filesize

          7.7MB

        • memory/3256-65-0x000000007F5A0000-0x000000007F5B0000-memory.dmp

          Filesize

          64KB

        • memory/3256-82-0x00000000074C0000-0x0000000007556000-memory.dmp

          Filesize

          600KB

        • memory/3256-83-0x0000000007440000-0x0000000007451000-memory.dmp

          Filesize

          68KB

        • memory/3256-79-0x0000000007880000-0x0000000007EFA000-memory.dmp

          Filesize

          6.5MB

        • memory/3256-85-0x0000000007470000-0x000000000747E000-memory.dmp

          Filesize

          56KB

        • memory/3256-86-0x0000000007480000-0x0000000007494000-memory.dmp

          Filesize

          80KB

        • memory/3256-77-0x00000000027F0000-0x0000000002800000-memory.dmp

          Filesize

          64KB

        • memory/3256-88-0x0000000007560000-0x0000000007568000-memory.dmp

          Filesize

          32KB

        • memory/3256-66-0x00000000711A0000-0x00000000711EC000-memory.dmp

          Filesize

          304KB

        • memory/3256-24-0x00000000027F0000-0x0000000002800000-memory.dmp

          Filesize

          64KB

        • memory/3256-23-0x00000000027F0000-0x0000000002800000-memory.dmp

          Filesize

          64KB

        • memory/3256-95-0x0000000074E80000-0x0000000075630000-memory.dmp

          Filesize

          7.7MB

        • memory/3256-21-0x0000000074E80000-0x0000000075630000-memory.dmp

          Filesize

          7.7MB