Analysis

  • max time kernel
    154s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    14-10-2021 05:03

General

  • Target

    FCA 48992-38499.exe

  • Size

    540KB

  • MD5

    d8247074a69d4296446b8e17c853df4b

  • SHA1

    03d71485a2d7101460d0df0b1cc3b6fdb160782d

  • SHA256

    cb5319ac9e7361b1a838a9c8199d37f1600ad807aab15917825380f2837e9ad2

  • SHA512

    dc272a92ca731afdbbdafd5569868e432f127d629176098d90792ee1a9f863039f620008bbacd9a981c464bd271de22603f0172450b9ee270f5ef1de33b8544e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.xb-inb.com
  • Port:
    587
  • Username:
    logs1@xb-inb.com
  • Password:
    Nou^xck6

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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FCA 48992-38499.exe
    "C:\Users\Admin\AppData\Local\Temp\FCA 48992-38499.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Users\Admin\AppData\Local\Temp\FCA 48992-38499.exe
      "C:\Users\Admin\AppData\Local\Temp\FCA 48992-38499.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1524

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FCA 48992-38499.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/660-121-0x0000000001690000-0x0000000001691000-memory.dmp
    Filesize

    4KB

  • memory/660-117-0x0000000005890000-0x0000000005891000-memory.dmp
    Filesize

    4KB

  • memory/660-118-0x00000000057B0000-0x00000000057B1000-memory.dmp
    Filesize

    4KB

  • memory/660-119-0x00000000057C0000-0x00000000057C1000-memory.dmp
    Filesize

    4KB

  • memory/660-120-0x0000000005B40000-0x0000000005B45000-memory.dmp
    Filesize

    20KB

  • memory/660-114-0x0000000000DC0000-0x0000000000DC1000-memory.dmp
    Filesize

    4KB

  • memory/660-122-0x0000000002FF0000-0x000000000306C000-memory.dmp
    Filesize

    496KB

  • memory/660-116-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
    Filesize

    4KB

  • memory/1524-123-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1524-124-0x00000000004374EE-mapping.dmp
  • memory/1524-130-0x00000000055A0000-0x00000000055A1000-memory.dmp
    Filesize

    4KB

  • memory/1524-131-0x00000000055B0000-0x00000000055B1000-memory.dmp
    Filesize

    4KB

  • memory/1524-132-0x00000000061D0000-0x00000000061D1000-memory.dmp
    Filesize

    4KB