Analysis

  • max time kernel
    128s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:43

General

  • Target

    Sürgős fizetés 008400650189.exe

  • Size

    441KB

  • MD5

    4e19c98566275228601a1dbabf4ce261

  • SHA1

    625c108838cc5f1004b6448b8dac9db633e2aa5f

  • SHA256

    885f9d6937a0f07103509cc5bc1ec2e65550bd8fe56682cf00dac66e62012675

  • SHA512

    112e78521eb801f52671d94adde0b604989310472486d200bda5f39f517e08e82fa2afd94785f8b97427992f07cb8f9d78bd63f2d2d674c846a84f13b606c524

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.fratellidelpiano.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    playboy123#

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fratellidelpiano.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    playboy123#

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fratellidelpiano.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    playboy123#

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sürgős fizetés 008400650189.exe
    "C:\Users\Admin\AppData\Local\Temp\Sürgős fizetés 008400650189.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Users\Admin\AppData\Local\Temp\Sürgős fizetés 008400650189.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:220

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Sürgős fizetés 008400650189.exe.log
    Filesize

    412B

    MD5

    ad1c7f6525cfeb54c0487efd38b0e26c

    SHA1

    ed3da94723ac7e3828a9e93d68418bb810592f3b

    SHA256

    0a534a3d0fa82e6a427164c5f6e702cac7e4afc9967af9bc5ddba4f84ab33276

    SHA512

    48d625e6be5391d91d95c2850226fe39bb2411cb72139797699cfe126e6b066182e83950a8ea67e63b64a66b0d45f58d8bc97cab0363d55c2fd88c0d1d28009c

  • memory/220-133-0x0000000000000000-mapping.dmp
  • memory/220-134-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/220-136-0x0000000005980000-0x0000000005F24000-memory.dmp
    Filesize

    5.6MB

  • memory/220-137-0x0000000006320000-0x0000000006386000-memory.dmp
    Filesize

    408KB

  • memory/220-138-0x00000000067B0000-0x0000000006800000-memory.dmp
    Filesize

    320KB

  • memory/220-139-0x0000000006810000-0x000000000681A000-memory.dmp
    Filesize

    40KB

  • memory/4256-130-0x00000000007D0000-0x0000000000844000-memory.dmp
    Filesize

    464KB

  • memory/4256-131-0x0000000005520000-0x00000000055BC000-memory.dmp
    Filesize

    624KB

  • memory/4256-132-0x0000000005660000-0x00000000056F2000-memory.dmp
    Filesize

    584KB