Analysis

  • max time kernel
    139s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-04-2024 04:48

General

  • Target

    DHL_1003671162.exe

  • Size

    821KB

  • MD5

    1d584d84d4965e7a0da615b32ab85f2e

  • SHA1

    bbb9c2211444450bb34a27f1a98d778e3c96b9bb

  • SHA256

    061087cd835abcfc3411f0ec4b15ccf80516276a356b2eedc4cb444d0dac0187

  • SHA512

    69c79f42f6f91ab4ea8f2fc8d80c2423450fb8fc5b9bcb7a0dd0cd3c11167947402e7d027ccfd5ec4a7303ac3f269defdd7a63902272d6b60c660500c84ebbc8

  • SSDEEP

    12288:KVF9WM+YLoxLQE5VT0kAEXSk5SHkXuusBOlWzMIhnc:E2M+RLZVT0xMbSC69znh

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.clslk.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    NUZRATHinam1978

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
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_1003671162.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_1003671162.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qmUxKv.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1924
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qmUxKv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64E4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2444
    • C:\Users\Admin\AppData\Local\Temp\DHL_1003671162.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_1003671162.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4260
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:2216
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1224

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u11j0gbq.4jd.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp64E4.tmp
      Filesize

      1KB

      MD5

      43d08a968aac5019c1d916c1f7e524d3

      SHA1

      756a681ceee5dcb67c1b7915a157ecc57815dea2

      SHA256

      c80fa2b489478c3ddee79d968ccea737e141641a7d3835a33611478cdbf28200

      SHA512

      853b24ce68d546b133224095ce8af8d0ff08934f07f072891d1c11c23c9c1c5f984cb4c6326a4e828811872ab36f6d3e5bc0cda53a0db1444139c8a9d23188cc

    • memory/1224-108-0x00000256D2D30000-0x00000256D2D31000-memory.dmp
      Filesize

      4KB

    • memory/1224-107-0x00000256D2C20000-0x00000256D2C21000-memory.dmp
      Filesize

      4KB

    • memory/1224-106-0x00000256D2C20000-0x00000256D2C21000-memory.dmp
      Filesize

      4KB

    • memory/1224-104-0x00000256D2BF0000-0x00000256D2BF1000-memory.dmp
      Filesize

      4KB

    • memory/1224-88-0x00000256CA880000-0x00000256CA890000-memory.dmp
      Filesize

      64KB

    • memory/1224-72-0x00000256CA780000-0x00000256CA790000-memory.dmp
      Filesize

      64KB

    • memory/1924-39-0x0000000005F90000-0x00000000062E4000-memory.dmp
      Filesize

      3.3MB

    • memory/1924-65-0x00000000079E0000-0x00000000079E8000-memory.dmp
      Filesize

      32KB

    • memory/1924-68-0x0000000074450000-0x0000000074C00000-memory.dmp
      Filesize

      7.7MB

    • memory/1924-64-0x0000000007A00000-0x0000000007A1A000-memory.dmp
      Filesize

      104KB

    • memory/1924-16-0x0000000002A80000-0x0000000002AB6000-memory.dmp
      Filesize

      216KB

    • memory/1924-62-0x00000000078F0000-0x00000000078FE000-memory.dmp
      Filesize

      56KB

    • memory/1924-18-0x0000000074450000-0x0000000074C00000-memory.dmp
      Filesize

      7.7MB

    • memory/1924-20-0x0000000002B40000-0x0000000002B50000-memory.dmp
      Filesize

      64KB

    • memory/1924-19-0x0000000005500000-0x0000000005B28000-memory.dmp
      Filesize

      6.2MB

    • memory/1924-63-0x0000000007900000-0x0000000007914000-memory.dmp
      Filesize

      80KB

    • memory/1924-22-0x0000000002B40000-0x0000000002B50000-memory.dmp
      Filesize

      64KB

    • memory/1924-60-0x00000000078C0000-0x00000000078D1000-memory.dmp
      Filesize

      68KB

    • memory/1924-59-0x0000000007940000-0x00000000079D6000-memory.dmp
      Filesize

      600KB

    • memory/1924-58-0x0000000007730000-0x000000000773A000-memory.dmp
      Filesize

      40KB

    • memory/1924-56-0x0000000007D00000-0x000000000837A000-memory.dmp
      Filesize

      6.5MB

    • memory/1924-28-0x00000000053D0000-0x00000000053F2000-memory.dmp
      Filesize

      136KB

    • memory/1924-29-0x0000000005CA0000-0x0000000005D06000-memory.dmp
      Filesize

      408KB

    • memory/1924-57-0x00000000076C0000-0x00000000076DA000-memory.dmp
      Filesize

      104KB

    • memory/1924-55-0x0000000007590000-0x0000000007633000-memory.dmp
      Filesize

      652KB

    • memory/1924-40-0x00000000063A0000-0x00000000063BE000-memory.dmp
      Filesize

      120KB

    • memory/1924-41-0x00000000063D0000-0x000000000641C000-memory.dmp
      Filesize

      304KB

    • memory/1924-42-0x000000007EFE0000-0x000000007EFF0000-memory.dmp
      Filesize

      64KB

    • memory/1924-43-0x0000000006960000-0x0000000006992000-memory.dmp
      Filesize

      200KB

    • memory/1924-44-0x00000000700D0000-0x000000007011C000-memory.dmp
      Filesize

      304KB

    • memory/1924-54-0x0000000006940000-0x000000000695E000-memory.dmp
      Filesize

      120KB

    • memory/3128-5-0x0000000005810000-0x0000000005820000-memory.dmp
      Filesize

      64KB

    • memory/3128-6-0x0000000005730000-0x000000000573A000-memory.dmp
      Filesize

      40KB

    • memory/3128-11-0x000000000D6C0000-0x000000000D75C000-memory.dmp
      Filesize

      624KB

    • memory/3128-2-0x0000000005BD0000-0x0000000006174000-memory.dmp
      Filesize

      5.6MB

    • memory/3128-26-0x0000000074450000-0x0000000074C00000-memory.dmp
      Filesize

      7.7MB

    • memory/3128-7-0x0000000006290000-0x00000000062A8000-memory.dmp
      Filesize

      96KB

    • memory/3128-9-0x0000000006AE0000-0x0000000006AF4000-memory.dmp
      Filesize

      80KB

    • memory/3128-10-0x00000000014F0000-0x0000000001574000-memory.dmp
      Filesize

      528KB

    • memory/3128-1-0x0000000000A90000-0x0000000000B62000-memory.dmp
      Filesize

      840KB

    • memory/3128-3-0x0000000005550000-0x00000000055E2000-memory.dmp
      Filesize

      584KB

    • memory/3128-8-0x00000000062C0000-0x00000000062CE000-memory.dmp
      Filesize

      56KB

    • memory/3128-4-0x0000000005820000-0x0000000005B74000-memory.dmp
      Filesize

      3.3MB

    • memory/3128-0-0x0000000074450000-0x0000000074C00000-memory.dmp
      Filesize

      7.7MB

    • memory/4260-24-0x0000000074450000-0x0000000074C00000-memory.dmp
      Filesize

      7.7MB

    • memory/4260-71-0x0000000004F60000-0x0000000004F70000-memory.dmp
      Filesize

      64KB

    • memory/4260-70-0x0000000074450000-0x0000000074C00000-memory.dmp
      Filesize

      7.7MB

    • memory/4260-69-0x0000000005FB0000-0x0000000006000000-memory.dmp
      Filesize

      320KB

    • memory/4260-21-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/4260-27-0x00000000050B0000-0x0000000005116000-memory.dmp
      Filesize

      408KB

    • memory/4260-25-0x0000000004F60000-0x0000000004F70000-memory.dmp
      Filesize

      64KB