Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    23-03-2023 08:33

General

  • Target

    SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe

  • Size

    53KB

  • MD5

    64557121d459383777f4c4f5c611e59b

  • SHA1

    c59a07cfb7f6268ed914137528fdfa857d20c1d8

  • SHA256

    415368c42994976a96d870c801364a58a56ace26be19dab123bb0c45f788c105

  • SHA512

    0409479575d93317b62518f028daeba2cabd7f0ccd91389da88c4c076b5adf18c1b9999e5f086393d82ca7c7a0789806d5079d549d2b5e2da0bee4e8484f5d62

  • SSDEEP

    1536:5MZ6O2pAM4xs2P0IK5us4o9Fb2WPsM+Ofnxcx4v:Tj2PVK5us4o9FlPsM+OZ

Score
10/10

Malware Config

Extracted

Family

xworm

Mutex

jjcDBygdHXnsJ5oY

Attributes
  • install_file

    USBDriver.exe

  • pastebin_url

    https://pastebin.com/raw/fB4ZyQEn

aes.plain

Signatures

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460" /tr "C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1976
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:844
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1892
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {4EB67855-0F20-4A66-BB57-B90E8B6BC4B6} S-1-5-21-3430344531-3702557399-3004411149-1000:WFSTZEPN\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe
      C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1924
    • C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe
      C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    0f9a52262798c165a19c5ee364b03c7a

    SHA1

    7476701d57bed92f75a1481e0127babb60805f25

    SHA256

    9c8730a7346a1f179355e42cc8f27c70b67260d57226471031cb23412bed9a7b

    SHA512

    52e41a3cacd9484ca4ba04aabcda3eb9626cec62844336e0999a7cb848da333a778ba454d15658e440067ce414f621fad7e4f8f6772958ac68f5eb866f69970c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\X0L2F667A5EWO6GDZ3OF.temp

    Filesize

    7KB

    MD5

    0f9a52262798c165a19c5ee364b03c7a

    SHA1

    7476701d57bed92f75a1481e0127babb60805f25

    SHA256

    9c8730a7346a1f179355e42cc8f27c70b67260d57226471031cb23412bed9a7b

    SHA512

    52e41a3cacd9484ca4ba04aabcda3eb9626cec62844336e0999a7cb848da333a778ba454d15658e440067ce414f621fad7e4f8f6772958ac68f5eb866f69970c

  • C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe

    Filesize

    53KB

    MD5

    64557121d459383777f4c4f5c611e59b

    SHA1

    c59a07cfb7f6268ed914137528fdfa857d20c1d8

    SHA256

    415368c42994976a96d870c801364a58a56ace26be19dab123bb0c45f788c105

    SHA512

    0409479575d93317b62518f028daeba2cabd7f0ccd91389da88c4c076b5adf18c1b9999e5f086393d82ca7c7a0789806d5079d549d2b5e2da0bee4e8484f5d62

  • C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe

    Filesize

    53KB

    MD5

    64557121d459383777f4c4f5c611e59b

    SHA1

    c59a07cfb7f6268ed914137528fdfa857d20c1d8

    SHA256

    415368c42994976a96d870c801364a58a56ace26be19dab123bb0c45f788c105

    SHA512

    0409479575d93317b62518f028daeba2cabd7f0ccd91389da88c4c076b5adf18c1b9999e5f086393d82ca7c7a0789806d5079d549d2b5e2da0bee4e8484f5d62

  • C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.IL.Trojan.MSILZilla.25629.12905.1460.exe

    Filesize

    53KB

    MD5

    64557121d459383777f4c4f5c611e59b

    SHA1

    c59a07cfb7f6268ed914137528fdfa857d20c1d8

    SHA256

    415368c42994976a96d870c801364a58a56ace26be19dab123bb0c45f788c105

    SHA512

    0409479575d93317b62518f028daeba2cabd7f0ccd91389da88c4c076b5adf18c1b9999e5f086393d82ca7c7a0789806d5079d549d2b5e2da0bee4e8484f5d62

  • memory/844-63-0x00000000027C4000-0x00000000027C7000-memory.dmp

    Filesize

    12KB

  • memory/844-64-0x00000000027CB000-0x0000000002802000-memory.dmp

    Filesize

    220KB

  • memory/844-61-0x0000000001ED0000-0x0000000001ED8000-memory.dmp

    Filesize

    32KB

  • memory/844-60-0x000000001B3B0000-0x000000001B692000-memory.dmp

    Filesize

    2.9MB

  • memory/1760-80-0x00000000002E0000-0x00000000002F4000-memory.dmp

    Filesize

    80KB

  • memory/1892-70-0x000000001B1F0000-0x000000001B4D2000-memory.dmp

    Filesize

    2.9MB

  • memory/1892-71-0x0000000002510000-0x0000000002518000-memory.dmp

    Filesize

    32KB

  • memory/1892-72-0x00000000026B4000-0x00000000026B7000-memory.dmp

    Filesize

    12KB

  • memory/1892-73-0x00000000026BB000-0x00000000026F2000-memory.dmp

    Filesize

    220KB

  • memory/1924-78-0x0000000001050000-0x0000000001064000-memory.dmp

    Filesize

    80KB

  • memory/1972-62-0x000000001AFE0000-0x000000001B060000-memory.dmp

    Filesize

    512KB

  • memory/1972-74-0x000000001AFE0000-0x000000001B060000-memory.dmp

    Filesize

    512KB

  • memory/1972-54-0x0000000001030000-0x0000000001044000-memory.dmp

    Filesize

    80KB