Analysis

  • max time kernel
    119s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 07:46

General

  • Target

    Bank_details_01-10-2024.exe

  • Size

    609KB

  • MD5

    908b4e01217aea4b8b79b4bed2778526

  • SHA1

    1cb803445bf5cf45d608cc20d767db119fe8a16e

  • SHA256

    a9ea13804280c4066a8e1129f82dd18af7f820cf8bfca8ebe2231173065532f5

  • SHA512

    375007b923f46d90a3505da9109066d82a8558447d2a6278624f74024950c8a9534bc11267a3c0f9f8ef8893d86446b15d13037e5147f71b31acda2a9149dd73

  • SSDEEP

    12288:qpp/rwcqyHEPTlP1opk+fD71G0w/NrpTMgerXkR:qptrtEPpdodfDovNrWLC

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6515689087:AAEnerpIS1xuf83Wz7mf2-PPkvlmor9Mt7U/sendMessage?chat_id=1015404316

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • 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 5 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank_details_01-10-2024.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank_details_01-10-2024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2792
    • 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\Bank_details_01-10-2024.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OVxYeKxaGpVOL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OVxYeKxaGpVOL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F37.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2524
    • C:\Users\Admin\AppData\Local\Temp\Bank_details_01-10-2024.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank_details_01-10-2024.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:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6F37.tmp

    Filesize

    1KB

    MD5

    94394be15a88864107aa2486eb57a615

    SHA1

    609113f7c0cc9b5e7fd58c02a72574adf9087725

    SHA256

    786ab3d7cd08fdeb8a51928133f338eb3243b913d06d8cf9f277c5550b8d4219

    SHA512

    3e561771f134b4cb29606a4ba28ec86a93bd3aa565a8dd5fc18f41be64a50a5ffb89dcdf09833aa8a0f22e5258d9aee5e1d8e69edf9e495bed84782bf2a9758f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    6b4475f6c0d321adf52d31654eaec612

    SHA1

    e2e719714f9374b4bcd1e1ac7c3f8e7cc18e7de5

    SHA256

    4454b0d9a04d70343d1c363ec87b6f670907a629bcdf1e82374ee6099162767c

    SHA512

    7491638f6523379efb751ce9499f98973476a87be7e32e055806c26861464a8b6b9a4d91d17e297aae5c3d0382249ea2cc1341168fc4dbb0ad2c61f6d101f10e

  • memory/2508-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2508-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2508-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2508-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2508-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2508-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2508-28-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2508-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2792-6-0x0000000004D30000-0x0000000004D98000-memory.dmp

    Filesize

    416KB

  • memory/2792-1-0x0000000000980000-0x0000000000A1C000-memory.dmp

    Filesize

    624KB

  • memory/2792-0-0x00000000742FE000-0x00000000742FF000-memory.dmp

    Filesize

    4KB

  • memory/2792-2-0x00000000742F0000-0x00000000749DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-3-0x0000000000960000-0x000000000097E000-memory.dmp

    Filesize

    120KB

  • memory/2792-5-0x00000000742F0000-0x00000000749DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-4-0x00000000742FE000-0x00000000742FF000-memory.dmp

    Filesize

    4KB

  • memory/2792-31-0x00000000742F0000-0x00000000749DE000-memory.dmp

    Filesize

    6.9MB