Analysis

  • max time kernel
    91s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2022 21:07

General

  • Target

    5d5f7391169c9a4d9e8d8d6d437fba5b.exe

  • Size

    910KB

  • MD5

    5d5f7391169c9a4d9e8d8d6d437fba5b

  • SHA1

    ea834ef87b5844a50af15fc17a76af9285d6e382

  • SHA256

    a63aebfac0eced90932379e91a583fcfe4012e348bb17552b030e60eeff5bb11

  • SHA512

    9f4aa586e8fcb96f59354ff8bf7915852383e94e8458ed61304921d908698bb9307d6b5b43d8d11bb0af656d3abac012d5c9119dbd5de80e1629c754a355e459

  • SSDEEP

    12288:fF75emvRT7QmzoRtXoXYNgPwpNjVrCP80zl+VpvUzMp8jZ63b/9MihcuHY:fZ5lvCmzo3mYNHjh+8jpaMG83bljc0Y

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5351092646:AAFAsmwAtpab9AZfC8LrwLb4lvENCAIBMLg/sendMessage?chat_id=1636980888

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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). Likely ransomware behaviour.

  • 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 15 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\5d5f7391169c9a4d9e8d8d6d437fba5b.exe
    "C:\Users\Admin\AppData\Local\Temp\5d5f7391169c9a4d9e8d8d6d437fba5b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IXOapxE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1756
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IXOapxE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4931.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1500
    • C:\Users\Admin\AppData\Local\Temp\5d5f7391169c9a4d9e8d8d6d437fba5b.exe
      "C:\Users\Admin\AppData\Local\Temp\5d5f7391169c9a4d9e8d8d6d437fba5b.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4931.tmp

    Filesize

    1KB

    MD5

    467abc564cd3bbb22b3e80f7a2530e17

    SHA1

    d33017a422a003434c81909f8f79023feacbe8af

    SHA256

    40e3253b4800861ffb1eb52ab59f18dfc340647fc20bea3177b7569c2cd1d507

    SHA512

    88ca7893725ea5e1cd20ce740a0c463709c79a546c46f416cdd243d5c381dad6ae7e6aa48f65f23b451fce1b5d489e339fa04347e05ae0f5ec4ee54da075a530

  • memory/740-63-0x0000000005100000-0x0000000005126000-memory.dmp

    Filesize

    152KB

  • memory/740-55-0x0000000075A81000-0x0000000075A83000-memory.dmp

    Filesize

    8KB

  • memory/740-58-0x0000000004DF0000-0x0000000004E6E000-memory.dmp

    Filesize

    504KB

  • memory/740-57-0x00000000002B0000-0x00000000002BC000-memory.dmp

    Filesize

    48KB

  • memory/740-54-0x0000000000BD0000-0x0000000000CBA000-memory.dmp

    Filesize

    936KB

  • memory/740-56-0x0000000000520000-0x0000000000538000-memory.dmp

    Filesize

    96KB

  • memory/1500-60-0x0000000000000000-mapping.dmp

  • memory/1604-67-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1604-65-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1604-69-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1604-70-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1604-71-0x000000000042022E-mapping.dmp

  • memory/1604-75-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1604-73-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1604-64-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1756-59-0x0000000000000000-mapping.dmp

  • memory/1756-78-0x000000006E680000-0x000000006EC2B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-77-0x000000006E680000-0x000000006EC2B000-memory.dmp

    Filesize

    5.7MB