Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    02/09/2023, 15:32

General

  • Target

    2023-08-22_2b2a8c039a67d33ac608fe5660540063_mafia_JC.exe

  • Size

    190KB

  • MD5

    2b2a8c039a67d33ac608fe5660540063

  • SHA1

    71088b9594deb4296b74e0c5d340b425934c366e

  • SHA256

    11bd912c5454ced0323488a0844a9c413463c759443d465e7cda28f73db75382

  • SHA512

    2b6167ecd95c7a6bf018e836f72614e784bb4db127f1d053c4b959f6cb378c1cb6e2d6f48e3ff2fbbd8f1538580ca9eb6286935538b2ef388b00f4157b8e0f3b

  • SSDEEP

    3072:bD/LRRwelzjlJlBbZpz9lZoVCVBxuH1KKMuoZvVTDz4CxcUTnEv55bAe8:P/Lgep51PzCAuLyvJDMCNnA55A

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-08-22_2b2a8c039a67d33ac608fe5660540063_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-08-22_2b2a8c039a67d33ac608fe5660540063_mafia_JC.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\HWID.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\HWID.txt

    Filesize

    271B

    MD5

    90c2e3fe2b408dcd082e73698ea93fd8

    SHA1

    35acdb5b9e9a5ac5f9df038c5561e443e9d2f182

    SHA256

    f911a500fa40a8e3ac1cc8b5cd9085b1a257184924ec82ad4a103cc93d53c481

    SHA512

    84fe60c9052aaf5d65d84553f05142989ec45ea61d7dd278165deee12fbc8dff0c4c4aa58175bd8ed3516a8b89de3c580dae7dbdb415c5a5f8d1d526da7729d6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    7f438af45ae2ce207f39c15d7d3496a1

    SHA1

    15e62890bb53e04ab33fcb73e6676187e93cb22d

    SHA256

    a8b7d1be358de00b27738ec6043f901411c0632bf3f524df72d390b5a1f84b06

    SHA512

    666a388387936b0d0c52ae434631f42659b95df2622aaa0a45d59168169ebdced7c25013903e45599cef7eab068a24ddbef8d8c4c87c8874f2ec1eaee5bc5354

  • C:\Users\Admin\AppData\Local\Temp\Cab44B0.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar4520.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf