Analysis

  • max time kernel
    122s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    03-11-2023 07:30

General

  • Target

    db37fbffacc10cdcb13d1d29625d1016.exe

  • Size

    597KB

  • MD5

    db37fbffacc10cdcb13d1d29625d1016

  • SHA1

    f8dc77a852edd28dce27bd7f9fae80abde1e67fa

  • SHA256

    7b80af0eb67ef03700b1aa95e8e25ec0b9f4debd4dc0f9276eac46f9120c6e73

  • SHA512

    3b283d541fdd923fb969a86a5b985bbb4db8c0d25e9cd8a3e49391fec9bb608e52e2a3dffb58822d078e9365c4cb1ed13e274cbb2141547cc9c4174a329e6212

  • SSDEEP

    12288:q8z69yqLlg14DV+G4Q7gaTcWsWpLokQjc7VfE5udp:L6XiyV+G4tEZ

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db37fbffacc10cdcb13d1d29625d1016.exe
    "C:\Users\Admin\AppData\Local\Temp\db37fbffacc10cdcb13d1d29625d1016.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NXcuZiLQelGp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3048
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NXcuZiLQelGp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF844.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2664
    • C:\Users\Admin\AppData\Local\Temp\db37fbffacc10cdcb13d1d29625d1016.exe
      "C:\Users\Admin\AppData\Local\Temp\db37fbffacc10cdcb13d1d29625d1016.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF844.tmp

    Filesize

    1KB

    MD5

    b7b3b43100a49d0f2ba5326ebaa59280

    SHA1

    f0017930a0226c4ba5017e6b8569abf94e0c5045

    SHA256

    021a1ca18b5dfcae297aabe69f98dc9179916076b4c2480c8e5ce4c5094a193e

    SHA512

    1c0ce3a0f55b2ee245302dc7db49945ac9bccf7ba86d046c6deea8c999b0c5d22ae6c062cdf547a4ac991c2ffd598ff591c30f2aa1c2b93207afb5847cbfbc7c

  • memory/2552-33-0x0000000004960000-0x00000000049A0000-memory.dmp

    Filesize

    256KB

  • memory/2552-40-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-24-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2552-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2552-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2552-30-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-26-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2552-28-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2552-41-0x0000000004960000-0x00000000049A0000-memory.dmp

    Filesize

    256KB

  • memory/2552-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2552-16-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2552-20-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2764-7-0x0000000000660000-0x000000000066A000-memory.dmp

    Filesize

    40KB

  • memory/2764-3-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2764-0-0x0000000000E60000-0x0000000000EFC000-memory.dmp

    Filesize

    624KB

  • memory/2764-29-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-6-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/2764-5-0x0000000004360000-0x00000000043A0000-memory.dmp

    Filesize

    256KB

  • memory/2764-4-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-8-0x0000000000DD0000-0x0000000000E30000-memory.dmp

    Filesize

    384KB

  • memory/2764-1-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-2-0x0000000004360000-0x00000000043A0000-memory.dmp

    Filesize

    256KB

  • memory/3048-37-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/3048-36-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/3048-38-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/3048-39-0x0000000070830000-0x0000000070DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/3048-35-0x0000000070830000-0x0000000070DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/3048-34-0x0000000070830000-0x0000000070DDB000-memory.dmp

    Filesize

    5.7MB