Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 04:04

General

  • Target

    CONG TY TNHH RAISING VIETNAM - USD 5850.00pdf.exe

  • Size

    1.2MB

  • MD5

    bf18b7e885f313bb968e77db5211253f

  • SHA1

    cef69c725141d46d3223de5240aceda86b641b57

  • SHA256

    46ec294043413ecec9c6a8fa2c8a70d99abdc0d00003b6d31d795a76e50c7a60

  • SHA512

    e8876eea97e98098ea0ad57825b258c698168ce5e0d08bbf094521444a15cf720ed5797db281ef868f8d0f439683436db3a93064bf2558de0d230920f6bd5173

  • SSDEEP

    24576:NJ+1xwtAQSl/+1+LqxbmSrMixFawpA8W8:NUmolE7xbmCFSn8

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • 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
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CONG TY TNHH RAISING VIETNAM - USD 5850.00pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\CONG TY TNHH RAISING VIETNAM - USD 5850.00pdf.exe"
    1⤵
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 18 > nul && copy "C:\Users\Admin\AppData\Local\Temp\CONG TY TNHH RAISING VIETNAM - USD 5850.00pdf.exe" "C:\Program Files (x86)\Microsofts.exe" && ping 127.0.0.1 -n 18 > nul && "C:\Program Files (x86)\Microsofts.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 18
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2540
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 18
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2800
      • C:\Program Files (x86)\Microsofts.exe
        "C:\Program Files (x86)\Microsofts.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files (x86)\Microsofts.exe

    Filesize

    1.2MB

    MD5

    bf18b7e885f313bb968e77db5211253f

    SHA1

    cef69c725141d46d3223de5240aceda86b641b57

    SHA256

    46ec294043413ecec9c6a8fa2c8a70d99abdc0d00003b6d31d795a76e50c7a60

    SHA512

    e8876eea97e98098ea0ad57825b258c698168ce5e0d08bbf094521444a15cf720ed5797db281ef868f8d0f439683436db3a93064bf2558de0d230920f6bd5173

  • memory/960-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/960-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/960-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/960-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/960-24-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/960-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/960-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/960-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1940-1-0x00000000028D0000-0x000000000296E000-memory.dmp

    Filesize

    632KB

  • memory/1940-0-0x0000000000FC0000-0x00000000010FA000-memory.dmp

    Filesize

    1.2MB

  • memory/1996-13-0x0000000001060000-0x000000000119A000-memory.dmp

    Filesize

    1.2MB

  • memory/1996-14-0x00000000007E0000-0x00000000007FA000-memory.dmp

    Filesize

    104KB

  • memory/1996-15-0x0000000000940000-0x0000000000946000-memory.dmp

    Filesize

    24KB