Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 01:47

General

  • Target

    PO%2373182.exe

  • Size

    672KB

  • MD5

    6494de6ad9f8e4c7420fb05ebdb459e8

  • SHA1

    0675d36114a1e0216d07f87d628c98932a306828

  • SHA256

    1bf32bf5ebd1d4c265b2476570ef45b81608546e7f7ffaa7893a32648d2826d0

  • SHA512

    225e3bf688f899f3be2ee3b7117e886725690cfb5530746503af6b004f80983cae5cdb7231a91a1d26408672acdb774909a85158fb2da11a4822b1cf2744335a

  • SSDEEP

    12288:iV0YOwq04nat//d7d1sXNkLQhD27KXQ0Fusfojc52EZHjzLSn:iLO7mlk9kLQhDwpRjqZDnSn

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.afamiahotelresort.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AfamiaIT@20164

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 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.

  • Adds Run key to start application 2 TTPs 1 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO%2373182.exe
    "C:\Users\Admin\AppData\Local\Temp\PO%2373182.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1660
    • 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\PO%2373182.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4572
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\heImuIoaY.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\heImuIoaY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp44A0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4668
    • C:\Users\Admin\AppData\Local\Temp\PO%2373182.exe
      "C:\Users\Admin\AppData\Local\Temp\PO%2373182.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4948
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3928 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3260

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ph3w153.5t0.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp44A0.tmp
      Filesize

      1KB

      MD5

      42f444603d78f8b3831788ad49a0c4ce

      SHA1

      fc9dd351f6574397b3b0b1ff91a8e71b182b8ce3

      SHA256

      0247d667e2efcf1909dac0e827a548b5e127d12658799d3ba5608967db2fd7bc

      SHA512

      0ab227fdaa8a88b7c64f1c61112269bc23b6d07cb14a4c4c533915d51e922a222dfc63efdd6079c9db39a4e19c54b23f85e52abf192ec297c644462598092ecb

    • memory/1660-0-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/1660-1-0x0000000000BC0000-0x0000000000C68000-memory.dmp
      Filesize

      672KB

    • memory/1660-4-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/1660-5-0x00000000057B0000-0x00000000057C0000-memory.dmp
      Filesize

      64KB

    • memory/1660-6-0x0000000005780000-0x000000000578A000-memory.dmp
      Filesize

      40KB

    • memory/1660-7-0x0000000007230000-0x000000000724A000-memory.dmp
      Filesize

      104KB

    • memory/1660-8-0x0000000006230000-0x000000000623C000-memory.dmp
      Filesize

      48KB

    • memory/1660-9-0x00000000075A0000-0x0000000007624000-memory.dmp
      Filesize

      528KB

    • memory/1660-10-0x0000000009C60000-0x0000000009CFC000-memory.dmp
      Filesize

      624KB

    • memory/1660-11-0x00000000057B0000-0x00000000057C0000-memory.dmp
      Filesize

      64KB

    • memory/1660-31-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/1660-2-0x0000000005B30000-0x00000000060D4000-memory.dmp
      Filesize

      5.6MB

    • memory/1660-3-0x0000000005660000-0x00000000056F2000-memory.dmp
      Filesize

      584KB

    • memory/3668-20-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/3668-28-0x0000000004D60000-0x0000000004DC6000-memory.dmp
      Filesize

      408KB

    • memory/3668-22-0x0000000004990000-0x00000000049A0000-memory.dmp
      Filesize

      64KB

    • memory/3668-62-0x0000000070E50000-0x0000000070E9C000-memory.dmp
      Filesize

      304KB

    • memory/3668-89-0x00000000070C0000-0x00000000070CA000-memory.dmp
      Filesize

      40KB

    • memory/3668-57-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/3668-86-0x00000000076A0000-0x0000000007D1A000-memory.dmp
      Filesize

      6.5MB

    • memory/3668-21-0x0000000004990000-0x00000000049A0000-memory.dmp
      Filesize

      64KB

    • memory/3668-85-0x0000000004990000-0x00000000049A0000-memory.dmp
      Filesize

      64KB

    • memory/3668-60-0x0000000006290000-0x00000000062C2000-memory.dmp
      Filesize

      200KB

    • memory/3668-58-0x0000000004990000-0x00000000049A0000-memory.dmp
      Filesize

      64KB

    • memory/3668-101-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/3668-87-0x0000000007050000-0x000000000706A000-memory.dmp
      Filesize

      104KB

    • memory/3668-50-0x0000000005650000-0x00000000059A4000-memory.dmp
      Filesize

      3.3MB

    • memory/3668-55-0x0000000004990000-0x00000000049A0000-memory.dmp
      Filesize

      64KB

    • memory/4572-14-0x00000000053C0000-0x00000000053F6000-memory.dmp
      Filesize

      216KB

    • memory/4572-25-0x0000000005950000-0x0000000005972000-memory.dmp
      Filesize

      136KB

    • memory/4572-54-0x0000000005480000-0x0000000005490000-memory.dmp
      Filesize

      64KB

    • memory/4572-52-0x0000000006B40000-0x0000000006B8C000-memory.dmp
      Filesize

      304KB

    • memory/4572-56-0x0000000005480000-0x0000000005490000-memory.dmp
      Filesize

      64KB

    • memory/4572-51-0x0000000006880000-0x000000000689E000-memory.dmp
      Filesize

      120KB

    • memory/4572-12-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4572-59-0x000000007F1E0000-0x000000007F1F0000-memory.dmp
      Filesize

      64KB

    • memory/4572-29-0x00000000061D0000-0x0000000006236000-memory.dmp
      Filesize

      408KB

    • memory/4572-100-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4572-61-0x0000000070E50000-0x0000000070E9C000-memory.dmp
      Filesize

      304KB

    • memory/4572-77-0x0000000006F70000-0x0000000006F8E000-memory.dmp
      Filesize

      120KB

    • memory/4572-83-0x0000000007A30000-0x0000000007AD3000-memory.dmp
      Filesize

      652KB

    • memory/4572-97-0x0000000008080000-0x0000000008088000-memory.dmp
      Filesize

      32KB

    • memory/4572-96-0x00000000080A0000-0x00000000080BA000-memory.dmp
      Filesize

      104KB

    • memory/4572-53-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4572-17-0x0000000005AC0000-0x00000000060E8000-memory.dmp
      Filesize

      6.2MB

    • memory/4572-13-0x0000000005480000-0x0000000005490000-memory.dmp
      Filesize

      64KB

    • memory/4572-88-0x0000000007D50000-0x0000000007D5A000-memory.dmp
      Filesize

      40KB

    • memory/4572-95-0x0000000007F20000-0x0000000007F34000-memory.dmp
      Filesize

      80KB

    • memory/4572-91-0x0000000007F50000-0x0000000007FE6000-memory.dmp
      Filesize

      600KB

    • memory/4572-92-0x0000000007EF0000-0x0000000007F01000-memory.dmp
      Filesize

      68KB

    • memory/4572-94-0x0000000007F10000-0x0000000007F1E000-memory.dmp
      Filesize

      56KB

    • memory/4948-93-0x00000000059A0000-0x00000000059B0000-memory.dmp
      Filesize

      64KB

    • memory/4948-90-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4948-84-0x00000000070F0000-0x0000000007140000-memory.dmp
      Filesize

      320KB

    • memory/4948-24-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/4948-27-0x0000000075120000-0x00000000758D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4948-30-0x00000000059A0000-0x00000000059B0000-memory.dmp
      Filesize

      64KB