Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 15:07

General

  • Target

    DHL- CBJ520818836689.exe

  • Size

    884KB

  • MD5

    e3de21f408c475de4044a48366e6f9df

  • SHA1

    141c5fe1cb84ec263cd3ba5942a5371d43a83be0

  • SHA256

    0975185a93c48b57e32214d885bb9f4a75ec89f2325edfef27dfd64f02f27cac

  • SHA512

    dcb54797dd32455a2d270420258ba8ae5c1fad8592aa851f981278cc94fa51abbe77be9d598bc750acdd73e14d18924c4952452c09a826f977c9197bf637b10d

  • SSDEEP

    24576:5nhbxoW/evadyCjA5h0icc/g+vXEe2s0O8BD48rWHFDW+1RUrg:5dxdey9+Ac/yeL0O8BD48rWHFDW+1Rug

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL- CBJ520818836689.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL- CBJ520818836689.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:436
    • 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- CBJ520818836689.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DKwBct.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4528
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DKwBct" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADB0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3652
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1140
  • 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 --field-trial-handle=4424,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4444 /prefetch:8
    1⤵
      PID:4816

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      8224d9e9e44dd90547bab3db3a55721d

      SHA1

      ab4b640263ab85bb620357b63e1656da828c771e

      SHA256

      0cd8046aec58f8d87bb6d503f30b59bbd5ebb944b0a2e4701ed5651aa27e47fe

      SHA512

      3894e83852fda5ba6bc757a5d992d555cd9361e2f9ebc4d52a6a2abb207676aeefb457f99822755ea7eb491783c7b475db1df3a4a79f02c73d330d288c89f28d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l0j0tj2i.o0u.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpADB0.tmp

      Filesize

      1KB

      MD5

      1b979071ac72e403813784b1fbf05ca0

      SHA1

      09284fc6071354c2094491f3eb75d1701df2935c

      SHA256

      fc35324bfa7fbacdd2adede34202897af6b04e7a6f2e615c2315568f7641125c

      SHA512

      4dba99beee8499e075361af32411ffaa213bc57e8d5189031101b1c7d94e9ad4bb395f213013c72518419e6086e20cee7ef8cfe35622b831812b78c768fadac2

    • memory/436-8-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/436-48-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/436-6-0x00000000056C0000-0x00000000056CE000-memory.dmp

      Filesize

      56KB

    • memory/436-7-0x000000007507E000-0x000000007507F000-memory.dmp

      Filesize

      4KB

    • memory/436-5-0x00000000054C0000-0x00000000054CA000-memory.dmp

      Filesize

      40KB

    • memory/436-9-0x0000000008180000-0x0000000008204000-memory.dmp

      Filesize

      528KB

    • memory/436-10-0x000000000A900000-0x000000000A99C000-memory.dmp

      Filesize

      624KB

    • memory/436-1-0x0000000000A20000-0x0000000000B00000-memory.dmp

      Filesize

      896KB

    • memory/436-0-0x000000007507E000-0x000000007507F000-memory.dmp

      Filesize

      4KB

    • memory/436-4-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/436-3-0x0000000005530000-0x00000000055C2000-memory.dmp

      Filesize

      584KB

    • memory/436-2-0x0000000005A40000-0x0000000005FE4000-memory.dmp

      Filesize

      5.6MB

    • memory/1140-46-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1140-91-0x0000000006720000-0x0000000006770000-memory.dmp

      Filesize

      320KB

    • memory/1764-17-0x0000000005A20000-0x0000000006048000-memory.dmp

      Filesize

      6.2MB

    • memory/1764-89-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/1764-22-0x0000000006150000-0x00000000061B6000-memory.dmp

      Filesize

      408KB

    • memory/1764-21-0x0000000005940000-0x0000000005962000-memory.dmp

      Filesize

      136KB

    • memory/1764-32-0x0000000006230000-0x0000000006584000-memory.dmp

      Filesize

      3.3MB

    • memory/1764-15-0x0000000005250000-0x0000000005286000-memory.dmp

      Filesize

      216KB

    • memory/1764-23-0x00000000061C0000-0x0000000006226000-memory.dmp

      Filesize

      408KB

    • memory/1764-76-0x0000000007BA0000-0x0000000007BAA000-memory.dmp

      Filesize

      40KB

    • memory/1764-25-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/1764-16-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/1764-18-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/1764-80-0x0000000007D60000-0x0000000007D6E000-memory.dmp

      Filesize

      56KB

    • memory/1764-53-0x00000000758E0000-0x000000007592C000-memory.dmp

      Filesize

      304KB

    • memory/1764-78-0x0000000007D30000-0x0000000007D41000-memory.dmp

      Filesize

      68KB

    • memory/1764-77-0x0000000007DB0000-0x0000000007E46000-memory.dmp

      Filesize

      600KB

    • memory/1764-73-0x00000000079E0000-0x0000000007A83000-memory.dmp

      Filesize

      652KB

    • memory/4528-19-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/4528-75-0x0000000007A50000-0x0000000007A6A000-memory.dmp

      Filesize

      104KB

    • memory/4528-74-0x0000000008090000-0x000000000870A000-memory.dmp

      Filesize

      6.5MB

    • memory/4528-72-0x0000000006D00000-0x0000000006D1E000-memory.dmp

      Filesize

      120KB

    • memory/4528-51-0x0000000007700000-0x0000000007732000-memory.dmp

      Filesize

      200KB

    • memory/4528-52-0x00000000758E0000-0x000000007592C000-memory.dmp

      Filesize

      304KB

    • memory/4528-81-0x0000000007C90000-0x0000000007CA4000-memory.dmp

      Filesize

      80KB

    • memory/4528-82-0x0000000007D90000-0x0000000007DAA000-memory.dmp

      Filesize

      104KB

    • memory/4528-83-0x0000000007D70000-0x0000000007D78000-memory.dmp

      Filesize

      32KB

    • memory/4528-49-0x0000000006730000-0x000000000674E000-memory.dmp

      Filesize

      120KB

    • memory/4528-50-0x00000000067C0000-0x000000000680C000-memory.dmp

      Filesize

      304KB

    • memory/4528-90-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/4528-20-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/4528-31-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB