Analysis

  • max time kernel
    120s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 04:19

General

  • Target

    vsl particulars packing list.exe

  • Size

    482KB

  • MD5

    62dc32408fe1ad6e37af98334cf40b1a

  • SHA1

    ffdf293a119e9cdc670a13c9a40a46185a9701da

  • SHA256

    438c9ce6e0b21ec7623f86a2f3e7f1810df1afce1515a5f24d1453a5cacdd74d

  • SHA512

    3bdfb9da5ebc93ba13289b9fb357390d192d1ba3fa1d4f79b93b31ee28b0100ce8569701d40aea02d6ab1f3b5231d051e8f46ec263985496ee45c367ae023a13

  • SSDEEP

    6144:wXuAPKb4NrWk4xaOD0503DvoveWR2HyVR8pOIf4sLPxRRi+gtM9Af7zCTC6qbGk1:wXuBCrWfxakYeWRx8pz7RRIkU0Dq

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    valleycountysar.org
  • Port:
    26
  • Username:
    [email protected]
  • Password:
    fY,FLoadtsiF

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • 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 1 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\vsl particulars packing list.exe
    "C:\Users\Admin\AppData\Local\Temp\vsl particulars packing list.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Users\Admin\AppData\Local\Temp\vsl particulars packing list.exe
      "C:\Users\Admin\AppData\Local\Temp\vsl particulars packing list.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2596

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2596-17-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2596-20-0x00000000748F0000-0x0000000074FDE000-memory.dmp
    Filesize

    6.9MB

  • memory/2596-7-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2596-5-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2596-11-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2596-9-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2596-15-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2596-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2596-24-0x00000000748F0000-0x0000000074FDE000-memory.dmp
    Filesize

    6.9MB

  • memory/2596-23-0x00000000748F0000-0x0000000074FDE000-memory.dmp
    Filesize

    6.9MB

  • memory/2596-21-0x00000000748F0000-0x0000000074FDE000-memory.dmp
    Filesize

    6.9MB

  • memory/2596-19-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2992-0-0x00000000748FE000-0x00000000748FF000-memory.dmp
    Filesize

    4KB

  • memory/2992-1-0x0000000000D40000-0x0000000000DBE000-memory.dmp
    Filesize

    504KB

  • memory/2992-3-0x00000000748F0000-0x0000000074FDE000-memory.dmp
    Filesize

    6.9MB

  • memory/2992-22-0x00000000748F0000-0x0000000074FDE000-memory.dmp
    Filesize

    6.9MB

  • memory/2992-2-0x0000000000B80000-0x0000000000BD4000-memory.dmp
    Filesize

    336KB

  • memory/2992-4-0x0000000000590000-0x0000000000598000-memory.dmp
    Filesize

    32KB