Analysis

  • max time kernel
    73s
  • max time network
    14s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11-01-2021 14:18

General

  • Target

    STATEMENT OF ACCOUNT.exe

  • Size

    971KB

  • MD5

    7475293a6bb025005c25a4a25b1ec047

  • SHA1

    2e25d5665740bc2423c40bdd74087fb36eb06a4e

  • SHA256

    97ff80592fd49d5b0160ef254df45c82ff6a7649bb8178222c8979f348cce8c7

  • SHA512

    76409fda28969f640bbcca4a66ff277b6cbf2198a9b7e9c0b432afdfa26c33f1f86f347fac7094f7deb2cedb875228e8142f1f3cab106be79a593ea7b446f7aa

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.insooryaexpresscargo.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SoorYaExp@5812

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe
    "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HNLCrGEt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C4F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1268
    • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe
      "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1524
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 520
        3⤵
          PID:1532

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9C4F.tmp
      MD5

      2ef1841c41e848052e707217f176051a

      SHA1

      9adece191f16cdd0b6f59c91a7b82c0bce859dde

      SHA256

      5c67065288a2f25f254a99cd3a004c32032e02f88ca16aca1588d679a9547da0

      SHA512

      5e4e8be0f048cad787a7197cdfe3b77321f5b29688608453c1fdc57edf1ca8d9274f30bf5a656d0305af7195e23c10f670e9fd910c715fbc1a9d0edac7f6eb85

    • memory/1268-2-0x0000000000000000-mapping.dmp
    • memory/1524-4-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1524-5-0x000000000043751E-mapping.dmp
    • memory/1524-6-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1524-7-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1532-8-0x0000000000000000-mapping.dmp
    • memory/1532-9-0x0000000001E40000-0x0000000001E51000-memory.dmp
      Filesize

      68KB