Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2024 20:16

General

  • Target

    0b9402e3f5e3c992579e0cd5d51f04a1.exe

  • Size

    1.3MB

  • MD5

    0b9402e3f5e3c992579e0cd5d51f04a1

  • SHA1

    2a19f3b8fc8f8637825c27b466e8460beca75174

  • SHA256

    404d701358a9d28eb1d04cc3995c8be442504515e425802394c22f1444ea14c4

  • SHA512

    824973c8bed4b9346aad8274dbd67c17ea7a7b7ad5610c1651c2c7a57c79d32f1ce55515383f6ecf9c427ae56983649ba8eca59a2bd5b36583ae02d61c0eedfb

  • SSDEEP

    24576:JB6IGMRJ7ffH5UEp0VG/WrpndWOZx4fxf9ub6cKwhOPk7gqSxBzEQ:P6Ixj+G/WdF4fxf9sw0OccbF

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b9402e3f5e3c992579e0cd5d51f04a1.exe
    "C:\Users\Admin\AppData\Local\Temp\0b9402e3f5e3c992579e0cd5d51f04a1.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\0b9402e3f5e3c992579e0cd5d51f04a1.exe
      "C:\Users\Admin\AppData\Local\Temp\0b9402e3f5e3c992579e0cd5d51f04a1.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Users\Admin\AppData\Local\Temp\0b9402e3f5e3c992579e0cd5d51f04a1.exe
        "C:\Users\Admin\AppData\Local\Temp\0b9402e3f5e3c992579e0cd5d51f04a1.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\beast public blondie .mpeg.exe

    Filesize

    9KB

    MD5

    bcfc02804ca0feaf643ae2d9332100e1

    SHA1

    8c08b4127c410562be2b60623cd0cad01011a085

    SHA256

    46ab6512c262e25334e646e1fd0fd86889e17fede98bd1fed7a324be0e6d7826

    SHA512

    7b04cd25481a6d364e35ff5dfc458b29dea70eeab2a3094ededec2348a65ccff299cb23205eebce99e60b5ee78d84a08f7b84cee04f7b82048fec03b59894fd2

  • C:\debug.txt

    Filesize

    183B

    MD5

    b832132e65d91daac950428436bae0c8

    SHA1

    d4abb0c100d34a111e7257d3504cfe93f4500bd4

    SHA256

    2219471ba7345561925d0ec8d3d5a796ac2720c0490a8f666161f7d06905cbee

    SHA512

    0b3e112384c4f27fe9212174e0484e915b4d1c8e25a59fdba2aadc1840222a33ed735fc5bddcf1ebe873ceeaa59e77e6589a6bb956da8e28a9228bcda27de4aa

  • memory/1416-126-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-112-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-144-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-141-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-95-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-80-0x00000000049D0000-0x00000000049EE000-memory.dmp

    Filesize

    120KB

  • memory/1416-138-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-106-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-109-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-135-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-115-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-120-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-123-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-129-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1416-132-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1708-105-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1708-91-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2588-81-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2588-90-0x00000000046E0000-0x00000000046FE000-memory.dmp

    Filesize

    120KB