Analysis

  • max time kernel
    133s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:36

General

  • Target

    Quotation_2817.PDF....exe

  • Size

    833KB

  • MD5

    92f3335d62d0fd3237481ee357c5c4b0

  • SHA1

    2b1dcc3d5076af52f78befbf332d56349d1a6b0f

  • SHA256

    c9a1de280156ec597ed843bb47c13fcc149914f9e7740604a1d834a9d033beb7

  • SHA512

    5d7ea8d48f3c99205ce781ddf3d59175ac10f47421c34885f6384b521622820a7a130223f661e860197b2f7f73008a2c670835776f2f09c888465cba58d5e33e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bosut.mk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    0XsKEemhd6EE

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation_2817.PDF....exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation_2817.PDF....exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bvEQvLDvFAJqv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC746.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:572
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC746.tmp

    Filesize

    1KB

    MD5

    e61454d216af5e0dfa41e30cc3d33bdd

    SHA1

    32b37e3eaaf01b6bd21c091e6943cbe8f9fc0658

    SHA256

    5efc891e090965f573c4a9c149a61fb2e4f3a7a26a29be23a3278461e57eafc0

    SHA512

    452029656882e09c88bebf4f9cbaeb1aebdf2cd8c6731b4c7c92074194f634725c122575070ce18741e6dc4997c890f01f55ff378bda025d2770d3b04f92ab99

  • memory/572-59-0x0000000000000000-mapping.dmp

  • memory/1556-57-0x00000000049F0000-0x0000000004A64000-memory.dmp

    Filesize

    464KB

  • memory/1556-54-0x0000000000070000-0x0000000000146000-memory.dmp

    Filesize

    856KB

  • memory/1556-58-0x0000000075581000-0x0000000075583000-memory.dmp

    Filesize

    8KB

  • memory/1556-56-0x0000000006ED0000-0x0000000006F74000-memory.dmp

    Filesize

    656KB

  • memory/1556-55-0x00000000005D0000-0x00000000005E0000-memory.dmp

    Filesize

    64KB

  • memory/1960-61-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1960-62-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1960-65-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1960-66-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1960-64-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1960-67-0x000000000045FC2E-mapping.dmp

  • memory/1960-71-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1960-69-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB