Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

240806-p9f97szdlm 10

06-08-2024 12:52

240806-p3672stdkg 10

06-08-2024 12:29

240806-ppa8fsygqr 10

06-08-2024 12:26

240806-pmc92ashlh 10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2024 21:57

General

  • Target

    1/25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe

  • Size

    1.0MB

  • MD5

    631e3c5465349fdfd6fc2fbe9c15cf65

  • SHA1

    af9e5b3d8ca4b6c64b69876b9cad6a18476f0168

  • SHA256

    25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f

  • SHA512

    31c6c58a5ec3d26e67a20f46df689fcfe69e90dffeaa36183630cc2cfa20d7fc07e19efe551f65f9606e435e26e2daf50b2275ee4b1cd7ab6b3641bef1552b93

  • SSDEEP

    24576:GAHnh+eWsN3skA4RV1Hom2KXMmHasvktOpBS5:hh+ZkldoPK8Yasvkt+2

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.

  • 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
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe
    "C:\Users\Admin\AppData\Local\Temp\1\25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\1\25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 628
      2⤵
      • Program crash
      PID:2996
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 3828 -ip 3828
    1⤵
      PID:4872

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2068-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2068-12-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

      Filesize

      4KB

    • memory/2068-13-0x0000000005A00000-0x0000000005FA4000-memory.dmp

      Filesize

      5.6MB

    • memory/2068-14-0x0000000005650000-0x00000000056B6000-memory.dmp

      Filesize

      408KB

    • memory/2068-15-0x0000000073F30000-0x00000000746E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2068-16-0x0000000006AE0000-0x0000000006B30000-memory.dmp

      Filesize

      320KB

    • memory/2068-17-0x0000000006BD0000-0x0000000006C62000-memory.dmp

      Filesize

      584KB

    • memory/2068-18-0x0000000006B60000-0x0000000006B6A000-memory.dmp

      Filesize

      40KB

    • memory/2068-19-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

      Filesize

      4KB

    • memory/2068-20-0x0000000073F30000-0x00000000746E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3828-10-0x0000000000E70000-0x0000000000E74000-memory.dmp

      Filesize

      16KB