Analysis

  • max time kernel
    133s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    23-04-2021 09:52

General

  • Target

    1221000880.pdf.exe

  • Size

    807KB

  • MD5

    51cc9ef1470b1a132b0c8555bb204291

  • SHA1

    d54e8fb1eef02ec6c1c4d246c912ebfd82bb0e67

  • SHA256

    4618f55b6482e1d13e798ed1045deb42ab9efb04c1e16a2313d62f1ec6d9ef43

  • SHA512

    359b084cb6f27a48793b1554078197786a7d3f6ddf514263c8264cfda9708a4ea80f667f36bfa604c503da98fb44529064b1ce4201bc0c0b1fe6f1f6a09df072

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    cspuri@searchnet.co.in
  • Password:
    22june1969

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe"
      2⤵
        PID:744
      • C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        PID:3048

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1221000880.pdf.exe.log
      MD5

      90acfd72f14a512712b1a7380c0faf60

      SHA1

      40ba4accb8faa75887e84fb8e38d598dc8cf0f12

      SHA256

      20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

      SHA512

      29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

    • memory/644-119-0x0000000004B00000-0x0000000004FFE000-memory.dmp
      Filesize

      5.0MB

    • memory/644-124-0x00000000094E0000-0x0000000009522000-memory.dmp
      Filesize

      264KB

    • memory/644-118-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
      Filesize

      4KB

    • memory/644-114-0x0000000000020000-0x0000000000021000-memory.dmp
      Filesize

      4KB

    • memory/644-120-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
      Filesize

      4KB

    • memory/644-121-0x0000000004D40000-0x0000000004D41000-memory.dmp
      Filesize

      4KB

    • memory/644-117-0x0000000005000000-0x0000000005001000-memory.dmp
      Filesize

      4KB

    • memory/644-123-0x00000000008E0000-0x0000000000953000-memory.dmp
      Filesize

      460KB

    • memory/644-122-0x0000000006D70000-0x0000000006D79000-memory.dmp
      Filesize

      36KB

    • memory/644-116-0x0000000004A00000-0x0000000004A01000-memory.dmp
      Filesize

      4KB

    • memory/3048-126-0x000000000043761E-mapping.dmp
    • memory/3048-125-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3048-132-0x00000000052C0000-0x00000000057BE000-memory.dmp
      Filesize

      5.0MB

    • memory/3048-133-0x0000000005430000-0x0000000005431000-memory.dmp
      Filesize

      4KB

    • memory/3048-134-0x0000000005FB0000-0x0000000005FB1000-memory.dmp
      Filesize

      4KB