Analysis

  • max time kernel
    127s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:47

General

  • Target

    Remit.Advice.exe

  • Size

    406KB

  • MD5

    eee0330f850eeb8d07aeb8e180afc051

  • SHA1

    0a64e31ae85096b82c8d36b497eb1fab9bc8fc10

  • SHA256

    cdebb39b2a4f203a8c0be1ce06cbeed1396321d8871d3cc46d4c6639ae7d25a2

  • SHA512

    66a0fc4a1eefb21a31297a4350084b6a8ce4b25af3bbf224c9b387ed7736c7f5465ca97c40454f6c5506d4f3d390f3271fb709de1a3094170aa057004d597fda

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.itdone.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    viObavejMa

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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Remit.Advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Remit.Advice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WiAEpdKhZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F94.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1740
    • C:\Users\Admin\AppData\Local\Temp\Remit.Advice.exe
      "C:\Users\Admin\AppData\Local\Temp\Remit.Advice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8F94.tmp

    Filesize

    1KB

    MD5

    7729810fa9010c5076fb592fedd965cb

    SHA1

    71fe17be5074fdc74ae27bc3368ad46f66ebaf75

    SHA256

    57d22547b9b9f8897634fb382ac4533707396da5ac7e694a34e1578c2700788a

    SHA512

    220bf087f0db58eb421391cf8892bf8ec0f8d46a300f7c5984aff95d426d00871c88be236a3ed390c366b3c56dd59335e03f7d1ee218ea873a127354aeb7b8bb

  • memory/868-54-0x0000000000310000-0x000000000037C000-memory.dmp

    Filesize

    432KB

  • memory/868-55-0x0000000000390000-0x00000000003A2000-memory.dmp

    Filesize

    72KB

  • memory/868-56-0x00000000045B0000-0x0000000004602000-memory.dmp

    Filesize

    328KB

  • memory/868-57-0x0000000076431000-0x0000000076433000-memory.dmp

    Filesize

    8KB

  • memory/1740-58-0x0000000000000000-mapping.dmp

  • memory/1836-60-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1836-61-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1836-63-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1836-64-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1836-65-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1836-66-0x0000000000445FDE-mapping.dmp

  • memory/1836-68-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1836-70-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB