Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:18

General

  • Target

    URGENT REQUEST FOR QUOTATION.exe

  • Size

    775KB

  • MD5

    3fd59a26eb8f645ac1f88e2ec2a3137a

  • SHA1

    eb5135dd863bcfefa4a8e9e2fbd686068d6354e4

  • SHA256

    785b8115d62f971593bacb7ddf5e0f0fa03ad2d3a077b91c88de788ee83f62b9

  • SHA512

    486d81f9f07bd156ad5f1bcf127e4484399f8d43d1a6cfb09919f0971b276477c8bb5e7debd43087739c8c462488804f299017a043916c88ffd2318ecf7559d0

  • SSDEEP

    24576:IWtb3BEXqdGFXcEm5t3bpP0PHBU4Z1ZM3fyD:TZBEqGKEm5HEhT06D

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 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.

  • 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).

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\URGENT REQUEST FOR QUOTATION.exe
    "C:\Users\Admin\AppData\Local\Temp\URGENT REQUEST FOR QUOTATION.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1584
    • 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\URGENT REQUEST FOR QUOTATION.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2064
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZYQQcPA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZYQQcPA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp694E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2652
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp694E.tmp

    Filesize

    1KB

    MD5

    c5ba968d26452f3db91ea9c7737f3d85

    SHA1

    6d802f9201b62aca2a520f10541fa75d26862b1b

    SHA256

    e01e67b7f29fa88bef7fc4286996f4644eb78f90a3f74fb865f1a5b1aa4c5fd6

    SHA512

    b2171f600c0006628d19611d0a9cc20086a5c9b037232afcf5d386c87e41fa3a3047d948d4a8eb9b90ae20bf6eb6605ebb9f552be14b6390c8138564ba6c512d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    48b5300255838a8f48792beaebbedb5a

    SHA1

    2d86be178b7ab1cc1098acc783c96e0a0d353dc0

    SHA256

    963a19b15d410d236c233e87ace9c8682563a46fa74555ba08bf6dd6d9fc9516

    SHA512

    123779ebbfaca5130c233e29d4f032868e1a5781c0dd47f87da175df92362731a740b2c5a67fcb0065bd48532e55efd5a64cdfd25417018ec53ccdbdbf048545

  • memory/1584-4-0x0000000000220000-0x000000000022C000-memory.dmp

    Filesize

    48KB

  • memory/1584-32-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1584-0-0x000000007452E000-0x000000007452F000-memory.dmp

    Filesize

    4KB

  • memory/1584-5-0x0000000000260000-0x0000000000270000-memory.dmp

    Filesize

    64KB

  • memory/1584-6-0x000000000D290000-0x000000000D314000-memory.dmp

    Filesize

    528KB

  • memory/1584-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1584-1-0x0000000000A80000-0x0000000000B44000-memory.dmp

    Filesize

    784KB

  • memory/1584-3-0x0000000000410000-0x0000000000432000-memory.dmp

    Filesize

    136KB

  • memory/2516-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2516-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2516-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2516-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2516-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2516-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2516-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2516-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB