Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:09

General

  • Target

    167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad.exe

  • Size

    844KB

  • MD5

    2b09b0e829ae8e3baf44ea7597e9d83a

  • SHA1

    23e22129c79e41808ba77bf99a1bf8e77d8e5182

  • SHA256

    167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad

  • SHA512

    82a3e5a413fd985ab0e868fba65312429a5686fa49f91d19ca670bf85988f3548205bd7b6ab69c6f0080555726a83bbc309b57917004c7bb7957f94235da9a4e

  • SSDEEP

    12288:SJx504bFtx504bFWxETdmtCJET9OziEECUBOwHOGnaOjiobasXd37G:gw4bjw4bnpRzMOQbTN7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Sages101*

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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 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 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.

  • 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad.exe
    "C:\Users\Admin\AppData\Local\Temp\167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3456
    • 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\167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1092
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SePSCGQw.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1824
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SePSCGQw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB12F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3324

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

    0ae103e78c8e005cd52aa10be89b8e6b

    SHA1

    adf9d91c0c40139c75204b62283cba8bbddcfddd

    SHA256

    975cc89c55128fef21ca47e14edfed4728f61ec46a6aca1b515c0097294ffd41

    SHA512

    8f86c164d545f4653ba8d9c87872bb47184cbb36fbbce04884a3fd44da16dfa947be793b09e98a255815e15cb1ecb8c7466a47a950ad6bc372c9f6c0b66c7f29

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rg4jyz1m.5od.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB12F.tmp

    Filesize

    1KB

    MD5

    09ab94b04e798fc8908d5d6c05946950

    SHA1

    1ed1d7889becb3bbfc28257ed2a5bf222741b138

    SHA256

    ed730e7829a50f1ea32d0ad39b547b7ce3a916301afcb21e60ee71506583225d

    SHA512

    b43347939742dddd45245eaca626b4d96f3ab2462e17923a2c4b3cd30ea1237ca2a11c9796676a1bf8cf20a0da2c0ae085180748b0b0aeb67d50199438bf615f

  • memory/1092-75-0x0000000007170000-0x000000000717A000-memory.dmp

    Filesize

    40KB

  • memory/1092-20-0x0000000004D10000-0x0000000004D32000-memory.dmp

    Filesize

    136KB

  • memory/1092-88-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/1092-76-0x0000000007380000-0x0000000007416000-memory.dmp

    Filesize

    600KB

  • memory/1092-64-0x0000000007100000-0x000000000711A000-memory.dmp

    Filesize

    104KB

  • memory/1092-63-0x0000000007750000-0x0000000007DCA000-memory.dmp

    Filesize

    6.5MB

  • memory/1092-14-0x00000000024B0000-0x00000000024E6000-memory.dmp

    Filesize

    216KB

  • memory/1092-16-0x00000000051A0000-0x00000000057C8000-memory.dmp

    Filesize

    6.2MB

  • memory/1092-15-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/1092-17-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/1092-51-0x0000000070020000-0x000000007006C000-memory.dmp

    Filesize

    304KB

  • memory/1092-21-0x0000000004DB0000-0x0000000004E16000-memory.dmp

    Filesize

    408KB

  • memory/1092-61-0x0000000006390000-0x00000000063AE000-memory.dmp

    Filesize

    120KB

  • memory/1092-22-0x0000000004F90000-0x0000000004FF6000-memory.dmp

    Filesize

    408KB

  • memory/1092-19-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/1092-62-0x0000000006FE0000-0x0000000007083000-memory.dmp

    Filesize

    652KB

  • memory/1092-50-0x00000000063B0000-0x00000000063E2000-memory.dmp

    Filesize

    200KB

  • memory/1092-49-0x0000000006120000-0x000000000616C000-memory.dmp

    Filesize

    304KB

  • memory/1092-48-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

    Filesize

    120KB

  • memory/1824-65-0x0000000070020000-0x000000007006C000-memory.dmp

    Filesize

    304KB

  • memory/1824-81-0x00000000074A0000-0x00000000074A8000-memory.dmp

    Filesize

    32KB

  • memory/1824-87-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-44-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-80-0x00000000074C0000-0x00000000074DA000-memory.dmp

    Filesize

    104KB

  • memory/1824-24-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-79-0x00000000073C0000-0x00000000073D4000-memory.dmp

    Filesize

    80KB

  • memory/1824-25-0x0000000005870000-0x0000000005BC4000-memory.dmp

    Filesize

    3.3MB

  • memory/1824-78-0x00000000073B0000-0x00000000073BE000-memory.dmp

    Filesize

    56KB

  • memory/1824-77-0x0000000007380000-0x0000000007391000-memory.dmp

    Filesize

    68KB

  • memory/1824-46-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/3456-3-0x0000000005070000-0x0000000005102000-memory.dmp

    Filesize

    584KB

  • memory/3456-8-0x00000000056E0000-0x00000000056F0000-memory.dmp

    Filesize

    64KB

  • memory/3456-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

    Filesize

    4KB

  • memory/3456-9-0x0000000006230000-0x00000000062B4000-memory.dmp

    Filesize

    528KB

  • memory/3456-45-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

    Filesize

    4KB

  • memory/3456-47-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/3456-5-0x0000000005320000-0x00000000053BC000-memory.dmp

    Filesize

    624KB

  • memory/3456-23-0x00000000063B0000-0x00000000063F2000-memory.dmp

    Filesize

    264KB

  • memory/3456-7-0x0000000005DB0000-0x0000000005DCA000-memory.dmp

    Filesize

    104KB

  • memory/3456-2-0x0000000005710000-0x0000000005CB4000-memory.dmp

    Filesize

    5.6MB

  • memory/3456-4-0x0000000005120000-0x000000000512A000-memory.dmp

    Filesize

    40KB

  • memory/3456-6-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/3456-1-0x00000000005A0000-0x0000000000676000-memory.dmp

    Filesize

    856KB

  • memory/3456-89-0x0000000007210000-0x0000000007260000-memory.dmp

    Filesize

    320KB