Analysis

  • max time kernel
    130s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 07:22

General

  • Target

    Purchase order.exe

  • Size

    1.5MB

  • MD5

    fb3ad7e9cb5938ad1af8facf52693b27

  • SHA1

    4a45c5429a503e8730ebc5261441e91b963510d1

  • SHA256

    d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793

  • SHA512

    bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60

  • SSDEEP

    24576:8IFcjHUVcxTE59dcvuc8kXeRYPps4GY4a9qJVX8ScEhAs3PseK0dHosEfzbm:8IFczdarcW/hySXYh9UPvhAKPFFOsw

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 4 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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.

  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 37 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1564
    • 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⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:112
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eouOCEx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eouOCEx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDFE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4848
    • C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
      2⤵
        PID:3596
      • C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3848
        • 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"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4516
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1880
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E9.tmp"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4120
        • C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
          "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4252

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

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

      Filesize

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      18KB

      MD5

      5077284dd60456150d9c293952cf3d6a

      SHA1

      e3b911089ed8c40cfeb533df91779cfb2aa2fc87

      SHA256

      8e0bee872f3874c3dd58df246b9e10bcac3e0dd9c4ce211e1ccd8e8a13e3c140

      SHA512

      ffcf875305d33eb6f569bea005285397b8ea9e9746c353729a5a8d8b93dac053c249e358f623b155f7040b66fdd9532c3880ce9a755c10d9e6af232c7b3d91f2

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

      Filesize

      18KB

      MD5

      94ac0eef22f9c9029b46d78099f15a76

      SHA1

      58a92822ecaa66207a33e9c14c4101278fda80b6

      SHA256

      c3fb5e8680f7436a8da4a5410da51812fb19df8e0063e3f089b8153ffb582aa3

      SHA512

      5228aef6941f8c96a641d0ce42e187042f1b5708fe938bce99e9be8543bb9fdb0ad03b4f82036e899806d3141dda37b39cb1ffca7996fcfedd3934bbd48a7437

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ccfwg1v5.xgd.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp2E9.tmp

      Filesize

      1KB

      MD5

      5886eb584c36d4d63e27a676f27fbb61

      SHA1

      0ee6e1ba9d43da460e4991ec96ca567cbb2c7a25

      SHA256

      be6be7c85b062e8d348ba06be7cd171b147cb6b7310721b8d7a3ffdaed1dc375

      SHA512

      8966f1279c5bc77b3e7b2797acadeb4994b6ca12326591f544724bf734ed0e3899fdf89a23b60c95b611649cc079c8cf5718e078180a6bf4bab3b4a0202452ed

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

      Filesize

      1KB

      MD5

      2a77ad8f3dfea645d90042d22b4793fc

      SHA1

      cbce8880a985e12b816715f065fda412328bf573

      SHA256

      2d5d42357428804f4a84f14ac672efcd994649163ea2a9e2da8bd4fdc883ab8d

      SHA512

      1b4524ba77310e173b43130cb403807eee9e8f29c34257ea6295fb51f796c26cf8e26bb2aaf5fbb45cd1cf85945366985d10de966f0f1d4525ebbed4db199d54

    • C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

      Filesize

      1.5MB

      MD5

      fb3ad7e9cb5938ad1af8facf52693b27

      SHA1

      4a45c5429a503e8730ebc5261441e91b963510d1

      SHA256

      d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793

      SHA512

      bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60

    • memory/112-44-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/112-75-0x0000000007730000-0x00000000077D3000-memory.dmp

      Filesize

      652KB

    • memory/112-83-0x0000000007B90000-0x0000000007BAA000-memory.dmp

      Filesize

      104KB

    • memory/112-15-0x0000000002C00000-0x0000000002C36000-memory.dmp

      Filesize

      216KB

    • memory/112-16-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/112-17-0x0000000005700000-0x0000000005D28000-memory.dmp

      Filesize

      6.2MB

    • memory/112-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/112-88-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/112-80-0x0000000007A50000-0x0000000007A61000-memory.dmp

      Filesize

      68KB

    • memory/112-23-0x0000000005E90000-0x0000000005EF6000-memory.dmp

      Filesize

      408KB

    • memory/112-21-0x0000000005E20000-0x0000000005E86000-memory.dmp

      Filesize

      408KB

    • memory/112-20-0x0000000005D80000-0x0000000005DA2000-memory.dmp

      Filesize

      136KB

    • memory/112-79-0x0000000007AD0000-0x0000000007B66000-memory.dmp

      Filesize

      600KB

    • memory/112-78-0x00000000078C0000-0x00000000078CA000-memory.dmp

      Filesize

      40KB

    • memory/112-77-0x0000000007E90000-0x000000000850A000-memory.dmp

      Filesize

      6.5MB

    • memory/112-54-0x0000000075770000-0x00000000757BC000-memory.dmp

      Filesize

      304KB

    • memory/112-53-0x00000000074F0000-0x0000000007522000-memory.dmp

      Filesize

      200KB

    • memory/112-50-0x0000000006AC0000-0x0000000006B0C000-memory.dmp

      Filesize

      304KB

    • memory/112-49-0x0000000006520000-0x000000000653E000-memory.dmp

      Filesize

      120KB

    • memory/1564-7-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

      Filesize

      4KB

    • memory/1564-6-0x00000000056E0000-0x00000000056F2000-memory.dmp

      Filesize

      72KB

    • memory/1564-5-0x0000000005290000-0x000000000529A000-memory.dmp

      Filesize

      40KB

    • memory/1564-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-10-0x000000000ADA0000-0x000000000AE3C000-memory.dmp

      Filesize

      624KB

    • memory/1564-3-0x0000000005330000-0x00000000053C2000-memory.dmp

      Filesize

      584KB

    • memory/1564-9-0x0000000008510000-0x0000000008626000-memory.dmp

      Filesize

      1.1MB

    • memory/1564-8-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-48-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

      Filesize

      4KB

    • memory/1564-2-0x00000000058E0000-0x0000000005E84000-memory.dmp

      Filesize

      5.6MB

    • memory/1564-1-0x0000000000710000-0x0000000000892000-memory.dmp

      Filesize

      1.5MB

    • memory/1880-119-0x0000000071650000-0x000000007169C000-memory.dmp

      Filesize

      304KB

    • memory/1880-141-0x00000000070D0000-0x00000000070E4000-memory.dmp

      Filesize

      80KB

    • memory/1880-129-0x0000000006D40000-0x0000000006DE3000-memory.dmp

      Filesize

      652KB

    • memory/1880-105-0x0000000005630000-0x0000000005984000-memory.dmp

      Filesize

      3.3MB

    • memory/1880-118-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

      Filesize

      304KB

    • memory/1964-84-0x0000000007500000-0x0000000007508000-memory.dmp

      Filesize

      32KB

    • memory/1964-43-0x00000000059C0000-0x0000000005D14000-memory.dmp

      Filesize

      3.3MB

    • memory/1964-87-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-81-0x0000000007410000-0x000000000741E000-memory.dmp

      Filesize

      56KB

    • memory/1964-76-0x00000000071E0000-0x00000000071FA000-memory.dmp

      Filesize

      104KB

    • memory/1964-64-0x0000000075770000-0x00000000757BC000-memory.dmp

      Filesize

      304KB

    • memory/1964-74-0x0000000006E70000-0x0000000006E8E000-memory.dmp

      Filesize

      120KB

    • memory/1964-38-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-82-0x0000000007420000-0x0000000007434000-memory.dmp

      Filesize

      80KB

    • memory/1964-47-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/3848-45-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/3848-51-0x0000000006B70000-0x0000000006C10000-memory.dmp

      Filesize

      640KB

    • memory/3848-52-0x00000000054A0000-0x00000000054B0000-memory.dmp

      Filesize

      64KB

    • memory/3848-89-0x0000000006ED0000-0x0000000006F52000-memory.dmp

      Filesize

      520KB

    • memory/4252-115-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4252-145-0x0000000006AF0000-0x0000000006B40000-memory.dmp

      Filesize

      320KB

    • memory/4516-130-0x0000000071650000-0x000000007169C000-memory.dmp

      Filesize

      304KB

    • memory/4516-140-0x00000000072B0000-0x00000000072C1000-memory.dmp

      Filesize

      68KB