Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 01:13

General

  • Target

    272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe

  • Size

    669KB

  • MD5

    5cdb05635a430afa156e2ec8b9cb3ddb

  • SHA1

    12b13506016a8102bd8db0e9b8735775526de0fe

  • SHA256

    272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29

  • SHA512

    8d2b8d15a09ff5dd3f88509bb31043998896f5cce6231ecaf15d195dc6b2f27e6d3ed532249795983f76d6bd48e294b2ed6de0d2bb75d1baeb01e91cf2489b06

  • SSDEEP

    12288:JhkZ5qIq5AXGKTCjJkmEOkZ9E8VZHvbvei65gMUYwZDKli:JK/qhAXpTCdkTOEPLHDveiH9DKli

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lldikti6.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Pawiyatan2023!

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.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe
    "C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2908
    • 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\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4136
    • C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe
      "C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe"
      2⤵
        PID:3012
      • C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe
        "C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:388

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    3
    T1552

    Credentials In Files

    3
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe.log
      Filesize

      1KB

      MD5

      b7b9acb869ccc7f7ecb5304ec0384dee

      SHA1

      6a90751c95817903ee833d59a0abbef425a613b3

      SHA256

      8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

      SHA512

      7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zqx4j1wf.jmd.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/388-12-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

    • memory/388-61-0x0000000006F70000-0x0000000006FC0000-memory.dmp
      Filesize

      320KB

    • memory/388-66-0x0000000075280000-0x0000000075A30000-memory.dmp
      Filesize

      7.7MB

    • memory/388-67-0x0000000005920000-0x0000000005930000-memory.dmp
      Filesize

      64KB

    • memory/388-17-0x0000000005920000-0x0000000005930000-memory.dmp
      Filesize

      64KB

    • memory/388-18-0x0000000005880000-0x00000000058E6000-memory.dmp
      Filesize

      408KB

    • memory/388-16-0x0000000075280000-0x0000000075A30000-memory.dmp
      Filesize

      7.7MB

    • memory/2908-5-0x0000000005BD0000-0x0000000005BE0000-memory.dmp
      Filesize

      64KB

    • memory/2908-10-0x0000000007340000-0x00000000073C0000-memory.dmp
      Filesize

      512KB

    • memory/2908-11-0x00000000099A0000-0x0000000009A3C000-memory.dmp
      Filesize

      624KB

    • memory/2908-9-0x0000000006EF0000-0x0000000006EFA000-memory.dmp
      Filesize

      40KB

    • memory/2908-8-0x0000000006EE0000-0x0000000006EE8000-memory.dmp
      Filesize

      32KB

    • memory/2908-15-0x0000000075280000-0x0000000075A30000-memory.dmp
      Filesize

      7.7MB

    • memory/2908-7-0x0000000007320000-0x000000000733A000-memory.dmp
      Filesize

      104KB

    • memory/2908-6-0x0000000005B40000-0x0000000005B4A000-memory.dmp
      Filesize

      40KB

    • memory/2908-4-0x0000000005BE0000-0x0000000005F34000-memory.dmp
      Filesize

      3.3MB

    • memory/2908-3-0x0000000005940000-0x00000000059D2000-memory.dmp
      Filesize

      584KB

    • memory/2908-2-0x0000000006000000-0x00000000065A4000-memory.dmp
      Filesize

      5.6MB

    • memory/2908-1-0x0000000075280000-0x0000000075A30000-memory.dmp
      Filesize

      7.7MB

    • memory/2908-0-0x0000000000ED0000-0x0000000000F7E000-memory.dmp
      Filesize

      696KB

    • memory/4136-29-0x0000000006270000-0x00000000062D6000-memory.dmp
      Filesize

      408KB

    • memory/4136-53-0x00000000082B0000-0x000000000892A000-memory.dmp
      Filesize

      6.5MB

    • memory/4136-20-0x0000000075280000-0x0000000075A30000-memory.dmp
      Filesize

      7.7MB

    • memory/4136-34-0x0000000006590000-0x00000000068E4000-memory.dmp
      Filesize

      3.3MB

    • memory/4136-35-0x0000000006920000-0x000000000693E000-memory.dmp
      Filesize

      120KB

    • memory/4136-36-0x00000000069D0000-0x0000000006A1C000-memory.dmp
      Filesize

      304KB

    • memory/4136-37-0x000000007F5F0000-0x000000007F600000-memory.dmp
      Filesize

      64KB

    • memory/4136-38-0x0000000007900000-0x0000000007932000-memory.dmp
      Filesize

      200KB

    • memory/4136-39-0x0000000072EE0000-0x0000000072F2C000-memory.dmp
      Filesize

      304KB

    • memory/4136-49-0x00000000078E0000-0x00000000078FE000-memory.dmp
      Filesize

      120KB

    • memory/4136-50-0x0000000003000000-0x0000000003010000-memory.dmp
      Filesize

      64KB

    • memory/4136-52-0x0000000007940000-0x00000000079E3000-memory.dmp
      Filesize

      652KB

    • memory/4136-51-0x0000000003000000-0x0000000003010000-memory.dmp
      Filesize

      64KB

    • memory/4136-23-0x0000000005980000-0x00000000059A2000-memory.dmp
      Filesize

      136KB

    • memory/4136-54-0x0000000007C70000-0x0000000007C8A000-memory.dmp
      Filesize

      104KB

    • memory/4136-55-0x0000000007CE0000-0x0000000007CEA000-memory.dmp
      Filesize

      40KB

    • memory/4136-56-0x0000000007EF0000-0x0000000007F86000-memory.dmp
      Filesize

      600KB

    • memory/4136-57-0x0000000007E70000-0x0000000007E81000-memory.dmp
      Filesize

      68KB

    • memory/4136-58-0x0000000007EA0000-0x0000000007EAE000-memory.dmp
      Filesize

      56KB

    • memory/4136-59-0x0000000007EB0000-0x0000000007EC4000-memory.dmp
      Filesize

      80KB

    • memory/4136-22-0x0000000003000000-0x0000000003010000-memory.dmp
      Filesize

      64KB

    • memory/4136-60-0x0000000007FB0000-0x0000000007FCA000-memory.dmp
      Filesize

      104KB

    • memory/4136-62-0x0000000007F90000-0x0000000007F98000-memory.dmp
      Filesize

      32KB

    • memory/4136-65-0x0000000075280000-0x0000000075A30000-memory.dmp
      Filesize

      7.7MB

    • memory/4136-21-0x0000000005A10000-0x0000000006038000-memory.dmp
      Filesize

      6.2MB

    • memory/4136-19-0x00000000053A0000-0x00000000053D6000-memory.dmp
      Filesize

      216KB