Analysis

  • max time kernel
    121s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 03:50

General

  • Target

    03e0c87acbd555226e4510cb8e5034f5.exe

  • Size

    1.5MB

  • MD5

    03e0c87acbd555226e4510cb8e5034f5

  • SHA1

    7cae7eb46c366fe9a9f72fadb91abe7386fd4d00

  • SHA256

    d0ff1050e74986eb30da03e8de2b8d6d9300836849615521c40520def4916473

  • SHA512

    0938dbe7d04914ab5888061e56065688acc3d0120f88e981a8f0639d994866d88643e84a41cf109347e2344c3dbc2baa5bcdd15f467f5048e77317f102306a20

  • SSDEEP

    24576:1yhXW5oaXpcB7mVSaccPuvcd5OGQT/1/0nS+7n4SYwqK4zf3RTsAHWAgqChJ+huR:o0iecHCNvP8EOShNQuiNB/e

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Looks up external IP address via web service 3 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03e0c87acbd555226e4510cb8e5034f5.exe
    "C:\Users\Admin\AppData\Local\Temp\03e0c87acbd555226e4510cb8e5034f5.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1720
    • 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\03e0c87acbd555226e4510cb8e5034f5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2512
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JDuIzwmQvpoe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1164
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JDuIzwmQvpoe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3302.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:792
    • C:\Users\Admin\AppData\Local\Temp\03e0c87acbd555226e4510cb8e5034f5.exe
      "C:\Users\Admin\AppData\Local\Temp\03e0c87acbd555226e4510cb8e5034f5.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:344
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 344 -s 1668
        3⤵
        • Program crash
        PID:1188
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JDuIzwmQvpoe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3302.tmp

    Filesize

    1KB

    MD5

    ab3fcf2238fef30d28c450e14d3a311c

    SHA1

    6a3c2de843152792188ada3d703054067652ba0e

    SHA256

    93f610eb120e68a9bf98524dea3f75dfd3318ae6e8a0fa9728d678d85e88c311

    SHA512

    eeb6a75a2ea985e7e1d15bdc445a19b71516206ebd99eca255ffc357687b1fa2dae94920cb4060ed8f00915d09867cace5e32ebcf3f630b590bb6f750b972c9b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Y0N7JLHXHEWSQHZ9O64H.temp

    Filesize

    7KB

    MD5

    af47eb406dcbd2bb65a9b36971cf8a6d

    SHA1

    b37188fac6e38c1e41c0f0290b3791d66f9138c6

    SHA256

    faeead1e40c61c0bd39c1aeb6ff4673bcd1f31451fe8d645dbf5646e1bc53ffd

    SHA512

    6bd0e1038317a92dc49a3efc8a2e546dc6c227bd155d3a203c4c365c77b76e035c15cbdac51a92b5eb080e30c1a47c0ba42069fe3d0d340e0c8bfbb70a84c3a8

  • memory/344-31-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/344-39-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/344-41-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/344-33-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/344-43-0x0000000074AF0000-0x00000000751DE000-memory.dmp

    Filesize

    6.9MB

  • memory/344-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/344-37-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/344-45-0x00000000043A0000-0x00000000043E0000-memory.dmp

    Filesize

    256KB

  • memory/344-29-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/344-71-0x0000000074AF0000-0x00000000751DE000-memory.dmp

    Filesize

    6.9MB

  • memory/344-72-0x00000000043A0000-0x00000000043E0000-memory.dmp

    Filesize

    256KB

  • memory/344-26-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1164-25-0x000000006F690000-0x000000006FC3B000-memory.dmp

    Filesize

    5.7MB

  • memory/1164-24-0x00000000027D0000-0x0000000002810000-memory.dmp

    Filesize

    256KB

  • memory/1164-28-0x000000006F690000-0x000000006FC3B000-memory.dmp

    Filesize

    5.7MB

  • memory/1164-56-0x000000006F690000-0x000000006FC3B000-memory.dmp

    Filesize

    5.7MB

  • memory/1720-6-0x0000000000780000-0x00000000007E6000-memory.dmp

    Filesize

    408KB

  • memory/1720-42-0x0000000074AF0000-0x00000000751DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1720-1-0x0000000074AF0000-0x00000000751DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1720-7-0x0000000000960000-0x0000000000986000-memory.dmp

    Filesize

    152KB

  • memory/1720-5-0x0000000004950000-0x0000000004990000-memory.dmp

    Filesize

    256KB

  • memory/1720-4-0x0000000074AF0000-0x00000000751DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1720-3-0x00000000003A0000-0x00000000003D6000-memory.dmp

    Filesize

    216KB

  • memory/1720-2-0x0000000004950000-0x0000000004990000-memory.dmp

    Filesize

    256KB

  • memory/1720-0-0x0000000000120000-0x00000000002A0000-memory.dmp

    Filesize

    1.5MB

  • memory/2512-15-0x000000006F690000-0x000000006FC3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-23-0x0000000002990000-0x00000000029D0000-memory.dmp

    Filesize

    256KB

  • memory/2512-54-0x000000006F690000-0x000000006FC3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-22-0x0000000002990000-0x00000000029D0000-memory.dmp

    Filesize

    256KB

  • memory/2512-21-0x000000006F690000-0x000000006FC3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-52-0x0000000001C50000-0x0000000001C90000-memory.dmp

    Filesize

    256KB

  • memory/2828-51-0x000000006F690000-0x000000006FC3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-53-0x000000006F690000-0x000000006FC3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-55-0x000000006F690000-0x000000006FC3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-50-0x0000000001C50000-0x0000000001C90000-memory.dmp

    Filesize

    256KB