Analysis

  • max time kernel
    163s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 06:00

General

  • Target

    b574d17071016f07f3485f62a3ada8e8557eaa3b21a32fe52e6e52be8cc7b2c1_JC.exe

  • Size

    569KB

  • MD5

    ceef1b2842c9b7d4d229628cc26d2566

  • SHA1

    f28ee10848e9d2fc0be3a5d296622ff292bcb5c6

  • SHA256

    b574d17071016f07f3485f62a3ada8e8557eaa3b21a32fe52e6e52be8cc7b2c1

  • SHA512

    8dd4e9e9a6c44cc526bf9b3e3662e59206bc93f8e35f030312791b2b35e2c333eeb6e41f837dfe1ffd93f38cea4076a0c011855432093d49fdc18d893090fc5b

  • SSDEEP

    12288:X2iN4yiRJU/WcDxL2ZCUWgxSwITM1iobNA1m2cHSDkAYb:X19FecxLxWcoRGm2U

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b574d17071016f07f3485f62a3ada8e8557eaa3b21a32fe52e6e52be8cc7b2c1_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\b574d17071016f07f3485f62a3ada8e8557eaa3b21a32fe52e6e52be8cc7b2c1_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4408
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b574d17071016f07f3485f62a3ada8e8557eaa3b21a32fe52e6e52be8cc7b2c1_JC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3464
    • C:\Users\Admin\AppData\Local\Temp\b574d17071016f07f3485f62a3ada8e8557eaa3b21a32fe52e6e52be8cc7b2c1_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\b574d17071016f07f3485f62a3ada8e8557eaa3b21a32fe52e6e52be8cc7b2c1_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b574d17071016f07f3485f62a3ada8e8557eaa3b21a32fe52e6e52be8cc7b2c1_JC.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t341risi.rwk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3464-61-0x0000000007280000-0x0000000007291000-memory.dmp

    Filesize

    68KB

  • memory/3464-36-0x0000000005D60000-0x0000000005DAC000-memory.dmp

    Filesize

    304KB

  • memory/3464-65-0x0000000007100000-0x0000000007114000-memory.dmp

    Filesize

    80KB

  • memory/3464-64-0x00000000070B0000-0x00000000070BE000-memory.dmp

    Filesize

    56KB

  • memory/3464-62-0x00000000022C0000-0x00000000022D0000-memory.dmp

    Filesize

    64KB

  • memory/3464-39-0x00000000702F0000-0x000000007033C000-memory.dmp

    Filesize

    304KB

  • memory/3464-60-0x00000000071E0000-0x0000000007276000-memory.dmp

    Filesize

    600KB

  • memory/3464-59-0x0000000006F50000-0x0000000006F5A000-memory.dmp

    Filesize

    40KB

  • memory/3464-58-0x00000000022C0000-0x00000000022D0000-memory.dmp

    Filesize

    64KB

  • memory/3464-56-0x0000000004940000-0x000000000495A000-memory.dmp

    Filesize

    104KB

  • memory/3464-55-0x00000000075B0000-0x0000000007C2A000-memory.dmp

    Filesize

    6.5MB

  • memory/3464-68-0x00000000072B0000-0x00000000072B8000-memory.dmp

    Filesize

    32KB

  • memory/3464-38-0x0000000006200000-0x0000000006232000-memory.dmp

    Filesize

    200KB

  • memory/3464-67-0x0000000007310000-0x000000000732A000-memory.dmp

    Filesize

    104KB

  • memory/3464-21-0x0000000004E60000-0x0000000005488000-memory.dmp

    Filesize

    6.2MB

  • memory/3464-18-0x0000000002260000-0x0000000002296000-memory.dmp

    Filesize

    216KB

  • memory/3464-49-0x00000000061E0000-0x00000000061FE000-memory.dmp

    Filesize

    120KB

  • memory/3464-20-0x00000000022C0000-0x00000000022D0000-memory.dmp

    Filesize

    64KB

  • memory/3464-17-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/3464-70-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/3464-22-0x0000000004D30000-0x0000000004D52000-memory.dmp

    Filesize

    136KB

  • memory/3464-28-0x0000000005500000-0x0000000005566000-memory.dmp

    Filesize

    408KB

  • memory/3464-29-0x0000000005570000-0x00000000055D6000-memory.dmp

    Filesize

    408KB

  • memory/3464-34-0x0000000005780000-0x0000000005AD4000-memory.dmp

    Filesize

    3.3MB

  • memory/3464-35-0x0000000005CA0000-0x0000000005CBE000-memory.dmp

    Filesize

    120KB

  • memory/3464-50-0x0000000006E80000-0x0000000006F23000-memory.dmp

    Filesize

    652KB

  • memory/3464-37-0x00000000022C0000-0x00000000022D0000-memory.dmp

    Filesize

    64KB

  • memory/3464-52-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/4408-11-0x000000000A940000-0x000000000A9DC000-memory.dmp

    Filesize

    624KB

  • memory/4408-7-0x00000000059B0000-0x00000000059BA000-memory.dmp

    Filesize

    40KB

  • memory/4408-1-0x0000000000AE0000-0x0000000000B74000-memory.dmp

    Filesize

    592KB

  • memory/4408-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

    Filesize

    5.6MB

  • memory/4408-15-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/4408-3-0x0000000005580000-0x0000000005612000-memory.dmp

    Filesize

    584KB

  • memory/4408-4-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/4408-5-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/4408-0-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/4408-6-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/4408-10-0x0000000008200000-0x0000000008260000-memory.dmp

    Filesize

    384KB

  • memory/4408-9-0x0000000001170000-0x000000000117C000-memory.dmp

    Filesize

    48KB

  • memory/4408-8-0x0000000005B00000-0x0000000005B1A000-memory.dmp

    Filesize

    104KB

  • memory/5036-53-0x0000000005260000-0x0000000005270000-memory.dmp

    Filesize

    64KB

  • memory/5036-57-0x0000000006340000-0x0000000006502000-memory.dmp

    Filesize

    1.8MB

  • memory/5036-54-0x0000000006120000-0x0000000006170000-memory.dmp

    Filesize

    320KB

  • memory/5036-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/5036-19-0x0000000005260000-0x0000000005270000-memory.dmp

    Filesize

    64KB

  • memory/5036-51-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/5036-16-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB