Analysis

  • max time kernel
    142s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-05-2021 10:37

General

  • Target

    w5FqUzyDmszpdwX.exe

  • Size

    906KB

  • MD5

    9a67f0453cb0442cc374d0e95a7d20a0

  • SHA1

    0e49ab04d2aed969f87e9de86a1eb6f0e3fb67b4

  • SHA256

    61d174848fcdab757bf469b021c329b9b698c1f3c621d3387ff515c360476cb0

  • SHA512

    1ba6940677272555c0fcc44f763ed6de2db439fd405b31cafc79cc6c4cd39017fe7b8f8ad487f913b890e4e203a01ce0d12c79ba632606580369fa4c3fce3b90

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.iykmoreentrprise.org
  • Port:
    587
  • Username:
    office5@iykmoreentrprise.org
  • Password:
    rwkWCM328

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\w5FqUzyDmszpdwX.exe
    "C:\Users\Admin\AppData\Local\Temp\w5FqUzyDmszpdwX.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\w5FqUzyDmszpdwX.exe
      "C:\Users\Admin\AppData\Local\Temp\w5FqUzyDmszpdwX.exe"
      2⤵
        PID:4092
      • C:\Users\Admin\AppData\Local\Temp\w5FqUzyDmszpdwX.exe
        "C:\Users\Admin\AppData\Local\Temp\w5FqUzyDmszpdwX.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:8

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\w5FqUzyDmszpdwX.exe.log
      MD5

      90acfd72f14a512712b1a7380c0faf60

      SHA1

      40ba4accb8faa75887e84fb8e38d598dc8cf0f12

      SHA256

      20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

      SHA512

      29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

    • memory/8-125-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/8-134-0x0000000006140000-0x0000000006141000-memory.dmp
      Filesize

      4KB

    • memory/8-133-0x00000000055D0000-0x00000000055D1000-memory.dmp
      Filesize

      4KB

    • memory/8-132-0x0000000005450000-0x000000000594E000-memory.dmp
      Filesize

      5.0MB

    • memory/8-126-0x00000000004375FE-mapping.dmp
    • memory/1808-119-0x0000000005220000-0x0000000005221000-memory.dmp
      Filesize

      4KB

    • memory/1808-122-0x0000000005760000-0x0000000005764000-memory.dmp
      Filesize

      16KB

    • memory/1808-123-0x0000000006120000-0x00000000061EF000-memory.dmp
      Filesize

      828KB

    • memory/1808-124-0x00000000086B0000-0x0000000008748000-memory.dmp
      Filesize

      608KB

    • memory/1808-121-0x0000000002D70000-0x0000000002D71000-memory.dmp
      Filesize

      4KB

    • memory/1808-120-0x0000000005500000-0x0000000005501000-memory.dmp
      Filesize

      4KB

    • memory/1808-114-0x0000000000920000-0x0000000000921000-memory.dmp
      Filesize

      4KB

    • memory/1808-118-0x00000000053A0000-0x00000000053A1000-memory.dmp
      Filesize

      4KB

    • memory/1808-117-0x00000000058A0000-0x00000000058A1000-memory.dmp
      Filesize

      4KB

    • memory/1808-116-0x0000000005270000-0x0000000005271000-memory.dmp
      Filesize

      4KB