Resubmissions

14-12-2024 23:05

241214-2211vsyneq 10

14-12-2024 23:01

241214-2zqr4synbj 10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    14-12-2024 23:01

General

  • Target

    876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe

  • Size

    749KB

  • MD5

    1eac61ee26db9242ba47437a027c47d4

  • SHA1

    3a465cb953a62c6c2dd2dc61c9f874c6ad7d8e8c

  • SHA256

    876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b

  • SHA512

    b5966deb188881b3d1fd19f911601e451f2126b757c1341e41048cb8dbd990c411fa8815f0610217a1fd273d193cd3f9c2f199ecb02295d28ca6eeb429f88eb4

  • SSDEEP

    12288:ZwtTSWbZzmK1tl8gBVkj6VNQJsojXXKI50XZo/6N3VG:Zwt2WdzxfmVjXr6Zz

Malware Config

Signatures

  • CryptoLocker

    Ransomware family with multiple variants.

  • Cryptolocker family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 47 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe
    "C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
      "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" "/rC:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
        "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" /w0000012C
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:804
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

    Filesize

    749KB

    MD5

    1eac61ee26db9242ba47437a027c47d4

    SHA1

    3a465cb953a62c6c2dd2dc61c9f874c6ad7d8e8c

    SHA256

    876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b

    SHA512

    b5966deb188881b3d1fd19f911601e451f2126b757c1341e41048cb8dbd990c411fa8815f0610217a1fd273d193cd3f9c2f199ecb02295d28ca6eeb429f88eb4

  • memory/804-30-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/804-28-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/804-24-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/804-25-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/1656-2-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/1656-15-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/1656-0-0x00000000004BD000-0x00000000004BF000-memory.dmp

    Filesize

    8KB

  • memory/1656-1-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/1900-16-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/1900-29-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/1900-17-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/1900-20-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/1900-31-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/2340-33-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/2340-34-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/2340-37-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/2340-38-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB