Analysis

  • max time kernel
    132s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:40

General

  • Target

    7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3.exe

  • Size

    896KB

  • MD5

    f350551099a8fc532cb883bdc55e31bd

  • SHA1

    c757fbb281a8b883974740f6343244c54aa21c14

  • SHA256

    7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3

  • SHA512

    5dc9c5d1eb72e7060004b5415ce256a007d31c54fea1bc6d252e7680b14720e34cf53a7cabd0b49bef853f38a5e32e8f8fb5e7e38002b17a5d9bb98a94eb284e

  • SSDEEP

    24576:BRVAfJWtb3BE1lMAzY0O14gZlcT6+C1MGQvn:TDZBEEAE0a4OlKmM5vn

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rushdi.ae
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ah@5432969

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.

  • Looks up external IP address via web service 3 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).

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3.exe
    "C:\Users\Admin\AppData\Local\Temp\7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3000
    • 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\7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4992
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KXKyzZjhF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KXKyzZjhF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D02.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1872
    • C:\Users\Admin\AppData\Local\Temp\7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3.exe
      "C:\Users\Admin\AppData\Local\Temp\7a76e6536ba34a728e8b04a6cb20fae3b252edc0de2e7ffa1e95508194ccecb3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4036

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

    dad5ce362f7d266912e3a87e37336aec

    SHA1

    05d469e1b33f9299a7e5c1b19f7cc6c45ab96626

    SHA256

    4170f4a0895f7aa6be94a66b20a7e9c27d4bd72a77653b0d274d2881fc93260f

    SHA512

    d9b1acd760be70b467ca88961d060c5cb1e7c024426c8652d8a2d29b44e021a188a5a5465c7041bccd8857027f110bee291250f662b4c82d6b3af15850c95627

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_izy44aox.stx.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp6D02.tmp
    Filesize

    1KB

    MD5

    699d7dec60c7537a73439e5109f1cc8e

    SHA1

    5fa9ee00cbf1cdb5037bcf24d331cee86b646f3f

    SHA256

    f56d6df4893a9c55342dfb594968a0c09a4a3e15c639cf62afbfa655e9cde00e

    SHA512

    89ceb127366591a705e6d852a47a81e678e76013787a51740957e0d9aaac44f619139c3ba52883d4e9891dad454eb7445b292e51bd81de700e88275939780a5a

  • memory/3000-4-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB

  • memory/3000-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp
    Filesize

    4KB

  • memory/3000-6-0x00000000077B0000-0x00000000077D2000-memory.dmp
    Filesize

    136KB

  • memory/3000-7-0x0000000005EE0000-0x0000000005EEC000-memory.dmp
    Filesize

    48KB

  • memory/3000-8-0x0000000005F00000-0x0000000005F10000-memory.dmp
    Filesize

    64KB

  • memory/3000-9-0x0000000006290000-0x0000000006314000-memory.dmp
    Filesize

    528KB

  • memory/3000-10-0x00000000063B0000-0x000000000644C000-memory.dmp
    Filesize

    624KB

  • memory/3000-1-0x0000000000390000-0x0000000000472000-memory.dmp
    Filesize

    904KB

  • memory/3000-3-0x0000000007340000-0x00000000073D2000-memory.dmp
    Filesize

    584KB

  • memory/3000-2-0x0000000007810000-0x0000000007DB4000-memory.dmp
    Filesize

    5.6MB

  • memory/3000-5-0x0000000002760000-0x000000000276A000-memory.dmp
    Filesize

    40KB

  • memory/3000-38-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB

  • memory/4036-90-0x00000000066B0000-0x0000000006700000-memory.dmp
    Filesize

    320KB

  • memory/4036-36-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/4696-76-0x0000000007A90000-0x0000000007A9A000-memory.dmp
    Filesize

    40KB

  • memory/4696-80-0x0000000007C60000-0x0000000007C74000-memory.dmp
    Filesize

    80KB

  • memory/4696-89-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB

  • memory/4696-82-0x0000000007D40000-0x0000000007D48000-memory.dmp
    Filesize

    32KB

  • memory/4696-29-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB

  • memory/4696-81-0x0000000007D60000-0x0000000007D7A000-memory.dmp
    Filesize

    104KB

  • memory/4696-35-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB

  • memory/4696-78-0x0000000007C20000-0x0000000007C31000-memory.dmp
    Filesize

    68KB

  • memory/4696-39-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB

  • memory/4696-71-0x00000000076B0000-0x00000000076CE000-memory.dmp
    Filesize

    120KB

  • memory/4696-53-0x0000000075540000-0x000000007558C000-memory.dmp
    Filesize

    304KB

  • memory/4992-77-0x0000000007170000-0x0000000007206000-memory.dmp
    Filesize

    600KB

  • memory/4992-15-0x00000000022C0000-0x00000000022F6000-memory.dmp
    Filesize

    216KB

  • memory/4992-51-0x0000000006200000-0x0000000006232000-memory.dmp
    Filesize

    200KB

  • memory/4992-73-0x0000000006DE0000-0x0000000006E83000-memory.dmp
    Filesize

    652KB

  • memory/4992-52-0x0000000075540000-0x000000007558C000-memory.dmp
    Filesize

    304KB

  • memory/4992-75-0x0000000006EF0000-0x0000000006F0A000-memory.dmp
    Filesize

    104KB

  • memory/4992-74-0x0000000007530000-0x0000000007BAA000-memory.dmp
    Filesize

    6.5MB

  • memory/4992-18-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB

  • memory/4992-49-0x0000000005BD0000-0x0000000005BEE000-memory.dmp
    Filesize

    120KB

  • memory/4992-50-0x0000000005D70000-0x0000000005DBC000-memory.dmp
    Filesize

    304KB

  • memory/4992-22-0x00000000052F0000-0x0000000005356000-memory.dmp
    Filesize

    408KB

  • memory/4992-79-0x0000000007120000-0x000000000712E000-memory.dmp
    Filesize

    56KB

  • memory/4992-21-0x0000000004C00000-0x0000000004C22000-memory.dmp
    Filesize

    136KB

  • memory/4992-30-0x00000000055C0000-0x0000000005914000-memory.dmp
    Filesize

    3.3MB

  • memory/4992-23-0x00000000053D0000-0x0000000005436000-memory.dmp
    Filesize

    408KB

  • memory/4992-88-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB

  • memory/4992-16-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB

  • memory/4992-17-0x0000000004CC0000-0x00000000052E8000-memory.dmp
    Filesize

    6.2MB

  • memory/4992-19-0x0000000074CE0000-0x0000000075490000-memory.dmp
    Filesize

    7.7MB