Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 01:46

General

  • Target

    shipping documents.exe

  • Size

    721KB

  • MD5

    11bdbb99b474b15e0b04e488061e9256

  • SHA1

    db8bcdd61414f1388f455e8b4ce6ae5554ca38f3

  • SHA256

    05b60524cb82eb522b46db014a5ec190e35d9fd433e7624232b53f142b3ed1a1

  • SHA512

    558f471c17b3b701e059514002155a4f4d71dbe9159ebc5326f158a7fda241ae6445139899af5db663bd0ee2fcd5c952f7b248a2486be354b32d155ca503ed5f

  • SSDEEP

    12288:zPO4mPK3Rx2Mewaliv+ilMkLbjfm2HV5gos04pG7PaD3H4lN3179DoDq74nXetkR:i4m02MewWivqkLbjfmQV4077yjH4f3Vu

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\shipping documents.exe
    "C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • 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\shipping documents.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2460
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mUsYIbZfsGwZQG.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2472
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mUsYIbZfsGwZQG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF74.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2972
    • 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:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpFF74.tmp

    Filesize

    1KB

    MD5

    a04a1fa40c56b9cf4205108d990ebb45

    SHA1

    d0c63ad5f9d620b393110e0b304a6f6a9612b4ba

    SHA256

    6aeb74319492a7560fcf5266278591bad5d002ebb6fe0f7e4d2be410cc00d3d8

    SHA512

    73f33149732821d8df19a590866034ff053e370f07ac6d097ef169a50d16f7679af7363608dd3d8dc97adfe0814bae3966bd541f5406ac59b2495ce5be9a21db

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\M9R7D1UZNZ63FLRDTW2W.temp

    Filesize

    7KB

    MD5

    856912ba94239cc4c6e98aefb768617e

    SHA1

    58f2398190468a0b3fe569cf559011d02f85fd38

    SHA256

    24e92e896b4c97822ab0c751747dffc6cbf21a293c93420097aa8a1f6d21bfc0

    SHA512

    af8fc63d790d40411115ae90133c79dbcdd22af1d4cf365967fb55aefc67c33653aab36dc7669f4e1eea9b71de249ccf8e2988772b1140dd478cd4befc4e18e5

  • memory/1968-4-0x0000000000370000-0x0000000000380000-memory.dmp

    Filesize

    64KB

  • memory/1968-31-0x0000000074D20000-0x000000007540E000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/1968-5-0x0000000005DB0000-0x0000000005E34000-memory.dmp

    Filesize

    528KB

  • memory/1968-6-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/1968-2-0x0000000074D20000-0x000000007540E000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-1-0x00000000001A0000-0x0000000000254000-memory.dmp

    Filesize

    720KB

  • memory/1968-3-0x0000000000350000-0x0000000000368000-memory.dmp

    Filesize

    96KB

  • memory/2736-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2736-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2736-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2736-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2736-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2736-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2736-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2736-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB