Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:02

General

  • Target

    Bank slip.exe

  • Size

    750KB

  • MD5

    65896cd6fe3a01926ed49c9ef5a29ef7

  • SHA1

    c5dc5a34959a9695187f9d5feed4cc4fb8cbae44

  • SHA256

    801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f

  • SHA512

    c59c6033482ca7690fd07a1f77157caa8d2e34ba6b85326831fbb820c402eaea76b26236b879116bc694e66fb10bb6cd6ea95d3497febba3a600132429844601

  • SSDEEP

    12288:vs2J7y715wcdF7d1+bbamuOl8cX7UOaj/N/4FjaxnSdgx+ACR5leZlN:U25k5XdNv+boOlTwhU8nSA+A+er

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uwJTBIAB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uwJTBIAB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp582E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2652
    • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp582E.tmp

    Filesize

    1KB

    MD5

    5595f77f71f00ae3dd4f60403567b46b

    SHA1

    0ef59f082753cc2042a950c7384f40b4dda97f91

    SHA256

    d51149044816287dc9fb6d69c035cab20d6654ad8295732ea2f77d989628fe6b

    SHA512

    6e2c40ab7ceb32c1e7537401bf81650abb53de455cdf2f5412887370e787b0d77909fa8626ae2de3ed282f19f4637dd96d71137c15f6650adba09ee9570cd6fe

  • memory/1900-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

    Filesize

    4KB

  • memory/1900-1-0x0000000000BF0000-0x0000000000CB2000-memory.dmp

    Filesize

    776KB

  • memory/1900-2-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/1900-3-0x00000000003B0000-0x00000000003D2000-memory.dmp

    Filesize

    136KB

  • memory/1900-4-0x00000000004C0000-0x00000000004D0000-memory.dmp

    Filesize

    64KB

  • memory/1900-5-0x0000000004D70000-0x0000000004DF2000-memory.dmp

    Filesize

    520KB

  • memory/1900-26-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2808-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2808-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB