Analysis

  • max time kernel
    61s
  • max time network
    169s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 16:41

General

  • Target

    ABONOF2201.exe

  • Size

    29KB

  • MD5

    60b7234e2b5e6a5ddabb7d75cfdeff6c

  • SHA1

    090ea9932d6da7a60a3722eb1669232a8c61ae4f

  • SHA256

    4a5598be99ca4ebe219cb23bc2af78832aa686abae6ca23019e1f2a8e1fa6f63

  • SHA512

    b456856e51682cd7b7e9ed0a3e7824516ecb788bf9a45d0f05dfc37eb642a7f0eb4602422354c951b098cd5179f16e9b2b2be0f92185c0369aa1ad438e695cee

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.faks-allied-health.com
  • Port:
    587
  • Username:
    info@faks-allied-health.com
  • Password:
    $Faks1234

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.faks-allied-health.com
  • Port:
    587
  • Username:
    info@faks-allied-health.com
  • Password:
    $Faks1234

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • 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
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ABONOF2201.exe
    "C:\Users\Admin\AppData\Local\Temp\ABONOF2201.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:524
    • C:\Users\Admin\AppData\Local\Temp\ABONOF2201.exe
      C:\Users\Admin\AppData\Local\Temp\ABONOF2201.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1076

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

  • memory/524-54-0x00000000009A0000-0x00000000009A1000-memory.dmp
    Filesize

    4KB

  • memory/524-56-0x0000000076201000-0x0000000076203000-memory.dmp
    Filesize

    8KB

  • memory/524-57-0x0000000004D10000-0x0000000004D11000-memory.dmp
    Filesize

    4KB

  • memory/524-58-0x0000000001F40000-0x0000000001F7C000-memory.dmp
    Filesize

    240KB

  • memory/524-59-0x0000000000920000-0x0000000000938000-memory.dmp
    Filesize

    96KB

  • memory/1076-60-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1076-61-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1076-62-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1076-63-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1076-64-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1076-65-0x00000000004203DE-mapping.dmp
  • memory/1076-66-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1076-68-0x00000000008E0000-0x00000000008E1000-memory.dmp
    Filesize

    4KB