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Analysis

  • max time kernel
    121s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/09/2024, 01:40

General

  • Target

    PO_20248099-1 12,300PCS.exe

  • Size

    523KB

  • MD5

    5db9f3f1609f4cd4df6f627977d09fd7

  • SHA1

    90bf0d85af20f8b712ea7e1fd9724e1ecb16589b

  • SHA256

    ea08961190b8399e21cfb503fcbb3caee0a5ab92294311bda03b7e511ece876b

  • SHA512

    03d708bf0d82863b667a3f91e284262ba58286580ad7214e0ec1008aba1760b21f3f518ffc7dc049887b2d099ecc0e92fc4a639f8811317fc535eae4c43659ef

  • SSDEEP

    12288:FlEEFet43oFyro4IZ/kHT7R6GJ9i/LH+F+KawP:Fnot43oFyoJZ/kHT7R6gz+Ka

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7196633070:AAEaQuZOF5M-L_385uI9rwN0ik3yySrTapE/sendMessage?chat_id=1343335992

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 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).

  • 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\PO_20248099-1 12,300PCS.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1620
    • 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\PO_20248099-1 12,300PCS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UIYZnHxR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UIYZnHxR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDAB.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2324
    • C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.exe
      "C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.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:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    970000f72102fa902c7b033ba6d1f167

    SHA1

    bd307c7c627d6b972b9ef1499df95e8626d8f273

    SHA256

    97cf0e78088d1f7e1862a256d15a37c9098c8b12a2ff354f8171cd8f71b95f76

    SHA512

    c0dc627b0172a8a13187f68f82551b34c026244258d1a7e835e02bbe25c04d6f4371707f6efe2eb6506abcd4cb0ffb0096be976053fc8335c1665653162cba8e

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

    Filesize

    7KB

    MD5

    a6805acacc2e20b8e9b24eb2c0ad3b81

    SHA1

    1e4f75449f1d364d6cf506756810d42532911e46

    SHA256

    63e9f76f7bea1f72be40d95bafa070120df0a335e2e4aabe301872dac9505a5e

    SHA512

    83fdfda004d591e41d22e2bf1b7366e4c186f6335e271858a333e0c0955b77aac3f51e63423cd6dfb20b346bb7bdb880e1af53c8067d8f3c1743efeca779c9d9

  • memory/1620-4-0x0000000000880000-0x0000000000890000-memory.dmp

    Filesize

    64KB

  • memory/1620-3-0x0000000000BD0000-0x0000000000C4E000-memory.dmp

    Filesize

    504KB

  • memory/1620-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB

  • memory/1620-5-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB

  • memory/1620-6-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1620-7-0x0000000004D80000-0x0000000004DE8000-memory.dmp

    Filesize

    416KB

  • memory/1620-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1620-1-0x0000000001270000-0x00000000012F8000-memory.dmp

    Filesize

    544KB

  • memory/1620-32-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2820-26-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2820-31-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2820-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2820-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2820-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2820-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2820-22-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2820-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB