Analysis

  • max time kernel
    142s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2024 02:01

General

  • Target

    8b1a2ef2b76d08c29302656a6376d742.exe

  • Size

    771KB

  • MD5

    8b1a2ef2b76d08c29302656a6376d742

  • SHA1

    bea41846d23651ba1d554c47732199fd4ae2e2c4

  • SHA256

    0d3a7744bb8258525d141c25376fd566b459a07e4415db302758c965105fad02

  • SHA512

    16376e796d6d356dcf183d01faabca2264dd727b48a08671d08f30e3e47dd125ffa1561a424ab184d13a2474399d429f4659493996b650522594b46f2dfce1c7

  • SSDEEP

    12288:S1inTsze1xByP44fS8Ac65PzJLniYZ/C9OFEIif0F6rerfrEhU8zFVMB:DTlYwWS8Ac2tvZWqEIz6qrfiTMB

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe
    "C:\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe
      C:\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe

    Filesize

    771KB

    MD5

    eba446cb3d4ae6b8330a0a7da1ad9694

    SHA1

    191616b74efbf6f8b2917411d1bf881b7ea48fc5

    SHA256

    30e1957861b8e2c95bde7ffd361759db0b08cf7f56718c45546123d285996da7

    SHA512

    9e6be18384ab07eba9520ff4e8d4fb8e2be055871073ec60e4ad2e231a53ba6f94ba9ba51f32a09d89fb3367fad99261c2f9ca8afcc55622e5adc5c355cf076e

  • memory/960-13-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/960-15-0x0000000001620000-0x0000000001686000-memory.dmp

    Filesize

    408KB

  • memory/960-20-0x0000000004ED0000-0x0000000004F2F000-memory.dmp

    Filesize

    380KB

  • memory/960-21-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/960-30-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/960-34-0x000000000B600000-0x000000000B63C000-memory.dmp

    Filesize

    240KB

  • memory/960-36-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2352-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2352-1-0x0000000001470000-0x00000000014D6000-memory.dmp

    Filesize

    408KB

  • memory/2352-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2352-12-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB