Resubmissions

28-03-2024 07:09

240328-hyylsach42 10

28-03-2024 07:09

240328-hys2asfb6z 10

Analysis

  • max time kernel
    127s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-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 3 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:3856
    • 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:2884
    • 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:4444
  • 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=4152 --field-trial-handle=3016,i,1323102786462900035,7687994236215859601,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2040

    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_tc4vfp42.2c5.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2884-16-0x0000000075260000-0x0000000075A10000-memory.dmp
      Filesize

      7.7MB

    • memory/2884-23-0x0000000006100000-0x0000000006166000-memory.dmp
      Filesize

      408KB

    • memory/2884-15-0x0000000002F10000-0x0000000002F46000-memory.dmp
      Filesize

      216KB

    • memory/2884-19-0x0000000003070000-0x0000000003080000-memory.dmp
      Filesize

      64KB

    • memory/2884-60-0x0000000007E80000-0x0000000007E88000-memory.dmp
      Filesize

      32KB

    • memory/2884-59-0x0000000007E90000-0x0000000007EAA000-memory.dmp
      Filesize

      104KB

    • memory/2884-58-0x0000000007DA0000-0x0000000007DB4000-memory.dmp
      Filesize

      80KB

    • memory/2884-57-0x0000000007D90000-0x0000000007D9E000-memory.dmp
      Filesize

      56KB

    • memory/2884-56-0x0000000007D40000-0x0000000007D51000-memory.dmp
      Filesize

      68KB

    • memory/2884-55-0x0000000007DC0000-0x0000000007E56000-memory.dmp
      Filesize

      600KB

    • memory/2884-54-0x0000000007BB0000-0x0000000007BBA000-memory.dmp
      Filesize

      40KB

    • memory/2884-53-0x0000000007B40000-0x0000000007B5A000-memory.dmp
      Filesize

      104KB

    • memory/2884-38-0x000000007EF60000-0x000000007EF70000-memory.dmp
      Filesize

      64KB

    • memory/2884-33-0x0000000006250000-0x00000000065A4000-memory.dmp
      Filesize

      3.3MB

    • memory/2884-63-0x0000000075260000-0x0000000075A10000-memory.dmp
      Filesize

      7.7MB

    • memory/2884-18-0x0000000003070000-0x0000000003080000-memory.dmp
      Filesize

      64KB

    • memory/2884-34-0x0000000006830000-0x000000000684E000-memory.dmp
      Filesize

      120KB

    • memory/2884-52-0x0000000008180000-0x00000000087FA000-memory.dmp
      Filesize

      6.5MB

    • memory/2884-51-0x0000000007A00000-0x0000000007AA3000-memory.dmp
      Filesize

      652KB

    • memory/2884-22-0x0000000005960000-0x0000000005982000-memory.dmp
      Filesize

      136KB

    • memory/2884-50-0x0000000006DE0000-0x0000000006DFE000-memory.dmp
      Filesize

      120KB

    • memory/2884-40-0x0000000070EC0000-0x0000000070F0C000-memory.dmp
      Filesize

      304KB

    • memory/2884-39-0x0000000006E00000-0x0000000006E32000-memory.dmp
      Filesize

      200KB

    • memory/2884-21-0x0000000005A60000-0x0000000006088000-memory.dmp
      Filesize

      6.2MB

    • memory/2884-35-0x00000000068E0000-0x000000000692C000-memory.dmp
      Filesize

      304KB

    • memory/2884-37-0x0000000003070000-0x0000000003080000-memory.dmp
      Filesize

      64KB

    • memory/3856-14-0x0000000075260000-0x0000000075A10000-memory.dmp
      Filesize

      7.7MB

    • memory/3856-7-0x00000000053F0000-0x0000000005402000-memory.dmp
      Filesize

      72KB

    • memory/3856-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp
      Filesize

      584KB

    • memory/3856-4-0x0000000005080000-0x0000000005090000-memory.dmp
      Filesize

      64KB

    • memory/3856-0-0x00000000003D0000-0x000000000048C000-memory.dmp
      Filesize

      752KB

    • memory/3856-5-0x0000000004E90000-0x0000000004E9A000-memory.dmp
      Filesize

      40KB

    • memory/3856-6-0x0000000005130000-0x00000000051CC000-memory.dmp
      Filesize

      624KB

    • memory/3856-2-0x0000000005400000-0x00000000059A4000-memory.dmp
      Filesize

      5.6MB

    • memory/3856-8-0x00000000063B0000-0x00000000063BC000-memory.dmp
      Filesize

      48KB

    • memory/3856-1-0x0000000075260000-0x0000000075A10000-memory.dmp
      Filesize

      7.7MB

    • memory/3856-9-0x0000000007C10000-0x0000000007C92000-memory.dmp
      Filesize

      520KB

    • memory/4444-10-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/4444-13-0x0000000075260000-0x0000000075A10000-memory.dmp
      Filesize

      7.7MB

    • memory/4444-36-0x0000000005F70000-0x0000000005FC0000-memory.dmp
      Filesize

      320KB

    • memory/4444-20-0x0000000005000000-0x0000000005010000-memory.dmp
      Filesize

      64KB

    • memory/4444-17-0x00000000051C0000-0x0000000005226000-memory.dmp
      Filesize

      408KB

    • memory/4444-64-0x0000000075260000-0x0000000075A10000-memory.dmp
      Filesize

      7.7MB

    • memory/4444-65-0x0000000005000000-0x0000000005010000-memory.dmp
      Filesize

      64KB