Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    23-04-2021 10:02

General

  • Target

    RFQ Our Reference 2021-1143.exe

  • Size

    684KB

  • MD5

    a1ef7cc0e83d9d8ede4311bfe8e124c7

  • SHA1

    a87429754bed0dfff38aa6cc63fbe8d5568a91c9

  • SHA256

    6594b68c027f44465b539374abe5791c970a82b3be282911d2e95a9f459f61f3

  • SHA512

    4bc38dc390a63a369eed9bca032de8f9b0a1b720dcd976a7753e5c3c9bb940f8497ff872f200b279f84a6b26b8e68dc1239a421bc0fd785308ca037eb86bd8cc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mehtagroup.in
  • Port:
    587
  • Username:
    dinesh@mehtagroup.in
  • Password:
    1234@DP#

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ Our Reference 2021-1143.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ Our Reference 2021-1143.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3968

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3680-114-0x0000000000B10000-0x0000000000B11000-memory.dmp
    Filesize

    4KB

  • memory/3680-116-0x00000000058F0000-0x00000000058F1000-memory.dmp
    Filesize

    4KB

  • memory/3680-117-0x0000000005490000-0x0000000005491000-memory.dmp
    Filesize

    4KB

  • memory/3680-118-0x0000000005420000-0x0000000005421000-memory.dmp
    Filesize

    4KB

  • memory/3680-119-0x0000000006F90000-0x0000000006F91000-memory.dmp
    Filesize

    4KB

  • memory/3680-120-0x00000000055C0000-0x00000000055CE000-memory.dmp
    Filesize

    56KB

  • memory/3680-121-0x00000000053F0000-0x00000000058EE000-memory.dmp
    Filesize

    5.0MB

  • memory/3680-122-0x0000000008B40000-0x0000000008BDF000-memory.dmp
    Filesize

    636KB

  • memory/3680-123-0x000000000B310000-0x000000000B371000-memory.dmp
    Filesize

    388KB

  • memory/3968-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3968-125-0x000000000043751E-mapping.dmp
  • memory/3968-130-0x0000000005430000-0x000000000592E000-memory.dmp
    Filesize

    5.0MB

  • memory/3968-131-0x00000000058A0000-0x00000000058A1000-memory.dmp
    Filesize

    4KB

  • memory/3968-132-0x0000000006190000-0x0000000006191000-memory.dmp
    Filesize

    4KB

  • memory/3968-135-0x0000000005430000-0x000000000592E000-memory.dmp
    Filesize

    5.0MB