Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    24-10-2021 11:28

General

  • Target

    SIGN_AND.EXE

  • Size

    717KB

  • MD5

    4cc0def143dc2acc2bf653dc3d69f1c5

  • SHA1

    20a739bf4278016e0ee4563685e0cd3d8521aa2d

  • SHA256

    271170cb7b83cb6365facd500c213e5cd2efb157288fd58281ec84d19a6f357a

  • SHA512

    68e5cbb9847e7a1f4991aca0693130ee937ad704acbfc16d33b12035d88fae797151bb815165019e4b8342ec33ed8085b5c99b8e5b023f3384d700771be53a70

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bulletproofprotections.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Everest10account

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SIGN_AND.EXE
    "C:\Users\Admin\AppData\Local\Temp\SIGN_AND.EXE"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Users\Admin\AppData\Local\Temp\SIGN_AND.EXE
      "C:\Users\Admin\AppData\Local\Temp\SIGN_AND.EXE"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4492
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 696
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4444

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\SIGN_AND.EXE.log
    MD5

    ef140ef600b2463c9e7dbf064a104046

    SHA1

    c08fd1853877be95575ea2e860dd8cafef31f54c

    SHA256

    ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616

    SHA512

    bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c

  • memory/3668-115-0x0000000002D20000-0x0000000002D21000-memory.dmp
    Filesize

    4KB

  • memory/4444-119-0x0000000000000000-mapping.dmp
  • memory/4492-116-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/4492-117-0x000000000043779E-mapping.dmp
  • memory/4492-120-0x0000000000AC0000-0x0000000000AC1000-memory.dmp
    Filesize

    4KB