Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2023 11:07

General

  • Target

    DHL Commercial Invoice.exe

  • Size

    742KB

  • MD5

    493dc5f5c7e6e220bfcd5a10aeb37d28

  • SHA1

    3d61a6b86554b6b4192338cd218a2585b10f440c

  • SHA256

    9ab373c6892a6232262c29c5522cb142432566aa09f86898a18282c9be074bb4

  • SHA512

    b8f7311e24b6af5d663482937b6504315ff2f4ba6a47f32ba0c522d5b85b2f9ba87b8f9c4ef89268900883c340b5c6d29e9186d1e3442a5453d6f595a05506eb

  • SSDEEP

    12288:ZOhfk8H2iNSR2Xqhs4pwlUduNsymtf1E9Jssdk0g8zBCI5tqD83ZE6jD/VyrZFKl:ZOh88H1bq1pjsKyjdk0g8TtqD83ZtD/

Malware Config

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.

  • 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).

  • Program crash 1 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL Commercial Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Commercial Invoice.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hcXmepmLUG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:232
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hcXmepmLUG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD002.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4260
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 1972
        3⤵
        • Program crash
        PID:4280
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3436 -ip 3436
    1⤵
      PID:3308

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b5xvdyed.na2.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD002.tmp

      Filesize

      1KB

      MD5

      54f13370910feee05dce456ae5c9e0e2

      SHA1

      7dded69156b7a620b48b61c213f1c09a05caee63

      SHA256

      5a278c1f062e45c00482f8abc47fd6c76060f026d1dfd1b1570d8b017c3d39f2

      SHA512

      fc34919aaa76781f91cf3a46ee072adb13d161dcfd44fc437d6a8b36b592214e770e6ebf58da933f9bed283dac1269a274d35617d798139330dbe184899f7ca5

    • memory/232-35-0x0000000005A50000-0x0000000005AB6000-memory.dmp

      Filesize

      408KB

    • memory/232-55-0x0000000007370000-0x0000000007413000-memory.dmp

      Filesize

      652KB

    • memory/232-68-0x0000000074E20000-0x00000000755D0000-memory.dmp

      Filesize

      7.7MB

    • memory/232-64-0x0000000007750000-0x0000000007758000-memory.dmp

      Filesize

      32KB

    • memory/232-63-0x0000000007770000-0x000000000778A000-memory.dmp

      Filesize

      104KB

    • memory/232-62-0x0000000007670000-0x0000000007684000-memory.dmp

      Filesize

      80KB

    • memory/232-61-0x0000000007660000-0x000000000766E000-memory.dmp

      Filesize

      56KB

    • memory/232-60-0x0000000007630000-0x0000000007641000-memory.dmp

      Filesize

      68KB

    • memory/232-59-0x00000000076B0000-0x0000000007746000-memory.dmp

      Filesize

      600KB

    • memory/232-15-0x0000000002800000-0x0000000002836000-memory.dmp

      Filesize

      216KB

    • memory/232-16-0x0000000074E20000-0x00000000755D0000-memory.dmp

      Filesize

      7.7MB

    • memory/232-18-0x0000000005330000-0x0000000005958000-memory.dmp

      Filesize

      6.2MB

    • memory/232-58-0x00000000074B0000-0x00000000074BA000-memory.dmp

      Filesize

      40KB

    • memory/232-21-0x0000000002900000-0x0000000002910000-memory.dmp

      Filesize

      64KB

    • memory/232-20-0x0000000002900000-0x0000000002910000-memory.dmp

      Filesize

      64KB

    • memory/232-57-0x0000000007440000-0x000000000745A000-memory.dmp

      Filesize

      104KB

    • memory/232-22-0x0000000005250000-0x0000000005272000-memory.dmp

      Filesize

      136KB

    • memory/232-56-0x0000000007AA0000-0x000000000811A000-memory.dmp

      Filesize

      6.5MB

    • memory/232-54-0x00000000066D0000-0x00000000066EE000-memory.dmp

      Filesize

      120KB

    • memory/232-44-0x0000000071110000-0x000000007115C000-memory.dmp

      Filesize

      304KB

    • memory/232-43-0x00000000066F0000-0x0000000006722000-memory.dmp

      Filesize

      200KB

    • memory/232-42-0x0000000002900000-0x0000000002910000-memory.dmp

      Filesize

      64KB

    • memory/232-41-0x0000000006370000-0x00000000063BC000-memory.dmp

      Filesize

      304KB

    • memory/232-37-0x0000000005BC0000-0x0000000005C26000-memory.dmp

      Filesize

      408KB

    • memory/232-39-0x0000000005CB0000-0x0000000006004000-memory.dmp

      Filesize

      3.3MB

    • memory/232-40-0x0000000006110000-0x000000000612E000-memory.dmp

      Filesize

      120KB

    • memory/3016-5-0x00000000075B0000-0x00000000075BA000-memory.dmp

      Filesize

      40KB

    • memory/3016-1-0x00000000004D0000-0x0000000000590000-memory.dmp

      Filesize

      768KB

    • memory/3016-2-0x00000000078C0000-0x0000000007E64000-memory.dmp

      Filesize

      5.6MB

    • memory/3016-25-0x0000000074E20000-0x00000000755D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3016-0-0x0000000074E20000-0x00000000755D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3016-3-0x0000000007400000-0x0000000007492000-memory.dmp

      Filesize

      584KB

    • memory/3016-6-0x0000000008AE0000-0x0000000008AF8000-memory.dmp

      Filesize

      96KB

    • memory/3016-9-0x0000000008B00000-0x0000000008B7C000-memory.dmp

      Filesize

      496KB

    • memory/3016-10-0x0000000009C20000-0x0000000009CBC000-memory.dmp

      Filesize

      624KB

    • memory/3016-19-0x0000000074E20000-0x00000000755D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3016-4-0x0000000007630000-0x0000000007640000-memory.dmp

      Filesize

      64KB

    • memory/3016-8-0x0000000002840000-0x000000000284A000-memory.dmp

      Filesize

      40KB

    • memory/3016-7-0x00000000027C0000-0x00000000027C6000-memory.dmp

      Filesize

      24KB

    • memory/3436-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3436-36-0x0000000074E20000-0x00000000755D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3436-65-0x0000000074E20000-0x00000000755D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3436-38-0x0000000005190000-0x00000000051A0000-memory.dmp

      Filesize

      64KB