Resubmissions

28-03-2024 07:09

240328-hyylsach42 10

28-03-2024 07:09

240328-hys2asfb6z 10

Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 07:09

General

  • Target

    DHL AWB 4677349.exe

  • Size

    740KB

  • MD5

    3c9cc76ad5198f10936b6046df83e938

  • SHA1

    737bc49c8350974cecbf59f7c8517460eb59dd6c

  • SHA256

    1d4c77db2631d25a6fa5355f7bbf1254936c675a9618f35ecdd96fed46d113af

  • SHA512

    e5c2f4d89fbda728854c8284ce5c2e622a0eca2d174233c038e888ca6c3e50d196027e6046845905b47dca1848b09132890c3975082a2d38571002386626f529

  • SSDEEP

    12288:sd1JsJ6SjV1Sh2iNwR+8hh/v//w1/+FJC9IwyuUItwGKjrCAXQiaex8S20k0nz3r:sdmw1GRHhtvABgC9IUtwGKjrCkQTMj2v

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.karapipe.com
  • Port:
    587
  • Username:
    info@karapipe.com
  • Password:
    elu8wTHZY5

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.karapipe.com
  • Port:
    587
  • Username:
    info@karapipe.com
  • Password:
    elu8wTHZY5
  • Email To:
    info@karapipe.com

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL AWB 4677349.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL AWB 4677349.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4960
    • 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\DHL AWB 4677349.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4628
    • C:\Users\Admin\AppData\Local\Temp\DHL AWB 4677349.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL AWB 4677349.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1724
  • 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=1856 --field-trial-handle=2292,i,2927097380497635931,2014459809064723663,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5072
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:1368
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3960

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      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\Microsoft\CLR_v4.0_32\UsageLogs\DHL AWB 4677349.exe.log
        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4yrsztfr.m1q.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1724-64-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
        Filesize

        64KB

      • memory/1724-10-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/1724-13-0x00000000748F0000-0x00000000750A0000-memory.dmp
        Filesize

        7.7MB

      • memory/1724-15-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
        Filesize

        64KB

      • memory/1724-16-0x00000000054F0000-0x0000000005556000-memory.dmp
        Filesize

        408KB

      • memory/1724-53-0x00000000061E0000-0x0000000006230000-memory.dmp
        Filesize

        320KB

      • memory/1724-63-0x00000000748F0000-0x00000000750A0000-memory.dmp
        Filesize

        7.7MB

      • memory/3960-100-0x0000024F300C0000-0x0000024F300C1000-memory.dmp
        Filesize

        4KB

      • memory/3960-81-0x0000024F27D40000-0x0000024F27D50000-memory.dmp
        Filesize

        64KB

      • memory/3960-65-0x0000024F27C40000-0x0000024F27C50000-memory.dmp
        Filesize

        64KB

      • memory/3960-97-0x0000024F30090000-0x0000024F30091000-memory.dmp
        Filesize

        4KB

      • memory/3960-101-0x0000024F301D0000-0x0000024F301D1000-memory.dmp
        Filesize

        4KB

      • memory/3960-99-0x0000024F300C0000-0x0000024F300C1000-memory.dmp
        Filesize

        4KB

      • memory/4628-35-0x0000000006280000-0x00000000062CC000-memory.dmp
        Filesize

        304KB

      • memory/4628-52-0x0000000007560000-0x000000000756A000-memory.dmp
        Filesize

        40KB

      • memory/4628-19-0x0000000004E10000-0x0000000004E20000-memory.dmp
        Filesize

        64KB

      • memory/4628-21-0x0000000005450000-0x0000000005A78000-memory.dmp
        Filesize

        6.2MB

      • memory/4628-22-0x00000000051F0000-0x0000000005212000-memory.dmp
        Filesize

        136KB

      • memory/4628-23-0x0000000005390000-0x00000000053F6000-memory.dmp
        Filesize

        408KB

      • memory/4628-18-0x00000000748F0000-0x00000000750A0000-memory.dmp
        Filesize

        7.7MB

      • memory/4628-33-0x0000000005CE0000-0x0000000006034000-memory.dmp
        Filesize

        3.3MB

      • memory/4628-34-0x00000000061D0000-0x00000000061EE000-memory.dmp
        Filesize

        120KB

      • memory/4628-17-0x00000000028C0000-0x00000000028F6000-memory.dmp
        Filesize

        216KB

      • memory/4628-36-0x0000000004E10000-0x0000000004E20000-memory.dmp
        Filesize

        64KB

      • memory/4628-37-0x00000000067A0000-0x00000000067D2000-memory.dmp
        Filesize

        200KB

      • memory/4628-38-0x0000000070550000-0x000000007059C000-memory.dmp
        Filesize

        304KB

      • memory/4628-48-0x0000000006780000-0x000000000679E000-memory.dmp
        Filesize

        120KB

      • memory/4628-49-0x00000000073E0000-0x0000000007483000-memory.dmp
        Filesize

        652KB

      • memory/4628-50-0x0000000007B30000-0x00000000081AA000-memory.dmp
        Filesize

        6.5MB

      • memory/4628-51-0x00000000074E0000-0x00000000074FA000-memory.dmp
        Filesize

        104KB

      • memory/4628-20-0x0000000004E10000-0x0000000004E20000-memory.dmp
        Filesize

        64KB

      • memory/4628-62-0x00000000748F0000-0x00000000750A0000-memory.dmp
        Filesize

        7.7MB

      • memory/4628-54-0x0000000007760000-0x00000000077F6000-memory.dmp
        Filesize

        600KB

      • memory/4628-55-0x00000000076E0000-0x00000000076F1000-memory.dmp
        Filesize

        68KB

      • memory/4628-56-0x0000000007710000-0x000000000771E000-memory.dmp
        Filesize

        56KB

      • memory/4628-57-0x0000000007720000-0x0000000007734000-memory.dmp
        Filesize

        80KB

      • memory/4628-58-0x0000000007820000-0x000000000783A000-memory.dmp
        Filesize

        104KB

      • memory/4628-59-0x0000000007800000-0x0000000007808000-memory.dmp
        Filesize

        32KB

      • memory/4960-8-0x00000000058D0000-0x00000000058DC000-memory.dmp
        Filesize

        48KB

      • memory/4960-7-0x00000000058C0000-0x00000000058D2000-memory.dmp
        Filesize

        72KB

      • memory/4960-6-0x00000000058E0000-0x000000000597C000-memory.dmp
        Filesize

        624KB

      • memory/4960-5-0x00000000055A0000-0x00000000055AA000-memory.dmp
        Filesize

        40KB

      • memory/4960-4-0x0000000005830000-0x0000000005840000-memory.dmp
        Filesize

        64KB

      • memory/4960-3-0x0000000005610000-0x00000000056A2000-memory.dmp
        Filesize

        584KB

      • memory/4960-2-0x0000000005B20000-0x00000000060C4000-memory.dmp
        Filesize

        5.6MB

      • memory/4960-1-0x00000000748F0000-0x00000000750A0000-memory.dmp
        Filesize

        7.7MB

      • memory/4960-0-0x0000000000AE0000-0x0000000000B9C000-memory.dmp
        Filesize

        752KB

      • memory/4960-9-0x0000000006C90000-0x0000000006D12000-memory.dmp
        Filesize

        520KB

      • memory/4960-14-0x00000000748F0000-0x00000000750A0000-memory.dmp
        Filesize

        7.7MB