Analysis

  • max time kernel
    122s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 02:42

General

  • Target

    fb32ee963d4a3a9ee628b7953fd14fb98fe1257946ce05c6e922005d05cdac74.exe

  • Size

    521KB

  • MD5

    d5a6193b01c8b4f4a1d70de986f2581a

  • SHA1

    83146988eefd85c295e43336021a82bdae3e03fc

  • SHA256

    fb32ee963d4a3a9ee628b7953fd14fb98fe1257946ce05c6e922005d05cdac74

  • SHA512

    12b11063db76a6319a74b0f3debab63d051b48c85ca1a3b27bc8c8a34c8091960341fbf40d6f3db1bdc6cead878bda0123bd3d40ef164b6ad5a5c70704f78872

  • SSDEEP

    12288:p/CqjqYBxuBdwmEZ9ictORFP+yfpDHI3Rtj6IFKap5AW:p6pUxuB2mE7irPhBs3jrNTB

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7205528810:AAHpQmp8pXDD3HdZBbwmUH_nIHswhyx25IQ/sendMessage?chat_id=5483672364

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb32ee963d4a3a9ee628b7953fd14fb98fe1257946ce05c6e922005d05cdac74.exe
    "C:\Users\Admin\AppData\Local\Temp\fb32ee963d4a3a9ee628b7953fd14fb98fe1257946ce05c6e922005d05cdac74.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JZpnbXGCC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1816
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JZpnbXGCC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9F9B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5036
    • C:\Users\Admin\AppData\Local\Temp\fb32ee963d4a3a9ee628b7953fd14fb98fe1257946ce05c6e922005d05cdac74.exe
      "C:\Users\Admin\AppData\Local\Temp\fb32ee963d4a3a9ee628b7953fd14fb98fe1257946ce05c6e922005d05cdac74.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fb32ee963d4a3a9ee628b7953fd14fb98fe1257946ce05c6e922005d05cdac74.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5x3fpxfr.n2e.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9F9B.tmp

    Filesize

    1KB

    MD5

    b8f28bee78a00cf87c37ccaa71f66b97

    SHA1

    b6115a674cd51f0cf1f51594d5067beb1072d5d1

    SHA256

    2f7186d0b6b40afff51b0a0c477421c4d4e73390eb7885b25722f1c740c0f248

    SHA512

    e73695ab218877cea998b0875e3eb67ead5000844eb7970301f0ad6ba58713f14150643340762ab6a8fe0ae2160cd2b12e50cef5fa5a7babc0b76344d9647a0e

  • memory/1816-27-0x0000000006210000-0x0000000006276000-memory.dmp

    Filesize

    408KB

  • memory/1816-56-0x0000000007C70000-0x0000000007C7A000-memory.dmp

    Filesize

    40KB

  • memory/1816-38-0x0000000006500000-0x0000000006854000-memory.dmp

    Filesize

    3.3MB

  • memory/1816-65-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1816-62-0x0000000007F20000-0x0000000007F28000-memory.dmp

    Filesize

    32KB

  • memory/1816-61-0x0000000007F40000-0x0000000007F5A000-memory.dmp

    Filesize

    104KB

  • memory/1816-60-0x0000000007E40000-0x0000000007E54000-memory.dmp

    Filesize

    80KB

  • memory/1816-59-0x0000000007E30000-0x0000000007E3E000-memory.dmp

    Filesize

    56KB

  • memory/1816-15-0x0000000002FB0000-0x0000000002FE6000-memory.dmp

    Filesize

    216KB

  • memory/1816-16-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1816-58-0x0000000007E00000-0x0000000007E11000-memory.dmp

    Filesize

    68KB

  • memory/1816-18-0x0000000005A40000-0x0000000006068000-memory.dmp

    Filesize

    6.2MB

  • memory/1816-33-0x0000000006280000-0x00000000062E6000-memory.dmp

    Filesize

    408KB

  • memory/1816-20-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1816-57-0x0000000007E80000-0x0000000007F16000-memory.dmp

    Filesize

    600KB

  • memory/1816-23-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1816-54-0x0000000008240000-0x00000000088BA000-memory.dmp

    Filesize

    6.5MB

  • memory/1816-55-0x0000000007C00000-0x0000000007C1A000-memory.dmp

    Filesize

    104KB

  • memory/1816-26-0x0000000006170000-0x0000000006192000-memory.dmp

    Filesize

    136KB

  • memory/1816-53-0x00000000078D0000-0x0000000007973000-memory.dmp

    Filesize

    652KB

  • memory/1816-52-0x0000000006E70000-0x0000000006E8E000-memory.dmp

    Filesize

    120KB

  • memory/1816-42-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

    Filesize

    304KB

  • memory/1816-41-0x0000000006E90000-0x0000000006EC2000-memory.dmp

    Filesize

    200KB

  • memory/1816-39-0x00000000068D0000-0x00000000068EE000-memory.dmp

    Filesize

    120KB

  • memory/1816-40-0x0000000006910000-0x000000000695C000-memory.dmp

    Filesize

    304KB

  • memory/1944-68-0x0000000006F20000-0x00000000070E2000-memory.dmp

    Filesize

    1.8MB

  • memory/1944-67-0x0000000006D00000-0x0000000006D50000-memory.dmp

    Filesize

    320KB

  • memory/1944-66-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1944-25-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-10-0x0000000007120000-0x0000000007188000-memory.dmp

    Filesize

    416KB

  • memory/2780-4-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-24-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-5-0x0000000005780000-0x000000000578A000-memory.dmp

    Filesize

    40KB

  • memory/2780-0-0x00000000750DE000-0x00000000750DF000-memory.dmp

    Filesize

    4KB

  • memory/2780-9-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-8-0x00000000750DE000-0x00000000750DF000-memory.dmp

    Filesize

    4KB

  • memory/2780-7-0x0000000005A60000-0x0000000005A70000-memory.dmp

    Filesize

    64KB

  • memory/2780-6-0x0000000005A70000-0x0000000005B0C000-memory.dmp

    Filesize

    624KB

  • memory/2780-1-0x0000000000CE0000-0x0000000000D68000-memory.dmp

    Filesize

    544KB

  • memory/2780-3-0x00000000057C0000-0x0000000005852000-memory.dmp

    Filesize

    584KB

  • memory/2780-2-0x0000000005CD0000-0x0000000006274000-memory.dmp

    Filesize

    5.6MB