Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 01:41

General

  • Target

    98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe

  • Size

    723KB

  • MD5

    15bf0f43c13fba63ba0ed31dd40dcd3d

  • SHA1

    7dc3c25615122043bec9ceda719b58be4f2c9af6

  • SHA256

    98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8

  • SHA512

    0c87359cdb96bd3e3ed7501e52f9416c04b6f0e8892e0b666347e9f956b649c6c0b81c4074663d32f2c83b033b09d2cb2dbeebbdd5783165d495ac1093724bd4

  • SSDEEP

    12288:yReLAfP7wDaW2hTSHk9CCnrTUZOeZXmHTund7hoCG3dF1g3m7eoPmEagmH4fO3wo:k537wDyOHqvn0ZOeCunFhOg3meoPJk6o

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hening.com.my
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    HT1990$$$hening

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe
    "C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2888
    • 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\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4184
    • C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe
      "C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe"
      2⤵
        PID:4524
      • C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe
        "C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sukswv11.dyv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2888-10-0x0000000007100000-0x0000000007184000-memory.dmp

      Filesize

      528KB

    • memory/2888-15-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2888-4-0x00000000055B0000-0x00000000055BA000-memory.dmp

      Filesize

      40KB

    • memory/2888-5-0x0000000005870000-0x000000000590C000-memory.dmp

      Filesize

      624KB

    • memory/2888-6-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2888-7-0x0000000005B80000-0x0000000005B9E000-memory.dmp

      Filesize

      120KB

    • memory/2888-8-0x0000000006970000-0x0000000006980000-memory.dmp

      Filesize

      64KB

    • memory/2888-9-0x0000000006AB0000-0x0000000006AC6000-memory.dmp

      Filesize

      88KB

    • memory/2888-0-0x000000007512E000-0x000000007512F000-memory.dmp

      Filesize

      4KB

    • memory/2888-3-0x0000000005610000-0x00000000056A2000-memory.dmp

      Filesize

      584KB

    • memory/2888-2-0x0000000005BC0000-0x0000000006164000-memory.dmp

      Filesize

      5.6MB

    • memory/2888-1-0x0000000000B00000-0x0000000000BB6000-memory.dmp

      Filesize

      728KB

    • memory/3808-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3808-63-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3808-53-0x0000000005DB0000-0x0000000005E00000-memory.dmp

      Filesize

      320KB

    • memory/3808-18-0x0000000004F70000-0x0000000004FD6000-memory.dmp

      Filesize

      408KB

    • memory/3808-14-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3808-24-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4184-21-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4184-49-0x00000000072F0000-0x0000000007393000-memory.dmp

      Filesize

      652KB

    • memory/4184-23-0x00000000051F0000-0x0000000005256000-memory.dmp

      Filesize

      408KB

    • memory/4184-20-0x00000000052E0000-0x0000000005908000-memory.dmp

      Filesize

      6.2MB

    • memory/4184-19-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4184-25-0x0000000005AD0000-0x0000000005E24000-memory.dmp

      Filesize

      3.3MB

    • memory/4184-35-0x0000000006110000-0x000000000612E000-memory.dmp

      Filesize

      120KB

    • memory/4184-36-0x0000000006200000-0x000000000624C000-memory.dmp

      Filesize

      304KB

    • memory/4184-37-0x00000000066F0000-0x0000000006722000-memory.dmp

      Filesize

      200KB

    • memory/4184-38-0x0000000070D80000-0x0000000070DCC000-memory.dmp

      Filesize

      304KB

    • memory/4184-48-0x00000000066D0000-0x00000000066EE000-memory.dmp

      Filesize

      120KB

    • memory/4184-22-0x0000000005150000-0x0000000005172000-memory.dmp

      Filesize

      136KB

    • memory/4184-50-0x0000000007A70000-0x00000000080EA000-memory.dmp

      Filesize

      6.5MB

    • memory/4184-51-0x0000000007430000-0x000000000744A000-memory.dmp

      Filesize

      104KB

    • memory/4184-52-0x00000000074A0000-0x00000000074AA000-memory.dmp

      Filesize

      40KB

    • memory/4184-17-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4184-54-0x00000000076B0000-0x0000000007746000-memory.dmp

      Filesize

      600KB

    • memory/4184-55-0x0000000007630000-0x0000000007641000-memory.dmp

      Filesize

      68KB

    • memory/4184-56-0x0000000007660000-0x000000000766E000-memory.dmp

      Filesize

      56KB

    • memory/4184-57-0x0000000007670000-0x0000000007684000-memory.dmp

      Filesize

      80KB

    • memory/4184-58-0x0000000007770000-0x000000000778A000-memory.dmp

      Filesize

      104KB

    • memory/4184-59-0x0000000007750000-0x0000000007758000-memory.dmp

      Filesize

      32KB

    • memory/4184-62-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4184-16-0x0000000002800000-0x0000000002836000-memory.dmp

      Filesize

      216KB