Analysis

  • max time kernel
    133s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    23-04-2021 10:02

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 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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:856
    • 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:1292

Network

MITRE ATT&CK Matrix

Replay Monitor

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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/856-119-0x0000000005790000-0x0000000005C8E000-memory.dmp
    Filesize

    5.0MB

  • memory/856-124-0x000000000A260000-0x000000000A2A2000-memory.dmp
    Filesize

    264KB

  • memory/856-118-0x0000000005830000-0x0000000005831000-memory.dmp
    Filesize

    4KB

  • memory/856-114-0x0000000000DB0000-0x0000000000DB1000-memory.dmp
    Filesize

    4KB

  • memory/856-120-0x0000000003330000-0x0000000003331000-memory.dmp
    Filesize

    4KB

  • memory/856-121-0x00000000059C0000-0x00000000059C1000-memory.dmp
    Filesize

    4KB

  • memory/856-117-0x0000000005C90000-0x0000000005C91000-memory.dmp
    Filesize

    4KB

  • memory/856-123-0x00000000017C0000-0x0000000001833000-memory.dmp
    Filesize

    460KB

  • memory/856-122-0x0000000005B50000-0x0000000005B59000-memory.dmp
    Filesize

    36KB

  • memory/856-116-0x00000000056B0000-0x00000000056B1000-memory.dmp
    Filesize

    4KB

  • memory/1292-126-0x000000000043761E-mapping.dmp
  • memory/1292-125-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1292-132-0x0000000002BF0000-0x0000000002BF1000-memory.dmp
    Filesize

    4KB

  • memory/1292-133-0x0000000005230000-0x0000000005231000-memory.dmp
    Filesize

    4KB

  • memory/1292-134-0x0000000005D60000-0x0000000005D61000-memory.dmp
    Filesize

    4KB