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Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 05:31

General

  • Target

    2a191009fb7b2665ee2f1f78a6f38211.exe

  • Size

    2.5MB

  • MD5

    2a191009fb7b2665ee2f1f78a6f38211

  • SHA1

    a15fd55d33a4484cde777089a50dd6a73938c540

  • SHA256

    f91f8abfb1586925a6096ffd1a862550211a55d286cd0394d4ab984a529e4c58

  • SHA512

    15daf728e0dcc43b24ed35de35c2d5682df7b1664c48a7a8f41ff6aba4d7f60608123477a0a7daef702dc1ded937066c93c3c8e4f6e25d54c98fd90d54a6285f

  • SSDEEP

    49152:oky796EvMtTx435MtV+Oj29Ls3t/cwCxHHlc2KP1z8o/MO2Uqed3yBI1rp:o7AEvgVOy29Ls3JslVYzjMO26ie

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\is-KBR0D.tmp\WMF.exe
    "C:\Users\Admin\AppData\Local\Temp\is-KBR0D.tmp\WMF.exe" /aid=0 /sub=0 /sid=42 /name="4.rar" /fid= /stats=cS71pQPkuOys9C/drFU6n3IGsFZjWHRvzkHz3c2b3dwwR8mVZjZgLS2XN8hbXBHVQJx8wSdATUdUxi47zhaKew== /param=0
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:2336
  • C:\Users\Admin\AppData\Local\Temp\is-RHR5G.tmp\2a191009fb7b2665ee2f1f78a6f38211.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-RHR5G.tmp\2a191009fb7b2665ee2f1f78a6f38211.tmp" /SL5="$3009A,2280122,153088,C:\Users\Admin\AppData\Local\Temp\2a191009fb7b2665ee2f1f78a6f38211.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2424
  • C:\Users\Admin\AppData\Local\Temp\2a191009fb7b2665ee2f1f78a6f38211.exe
    "C:\Users\Admin\AppData\Local\Temp\2a191009fb7b2665ee2f1f78a6f38211.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-RHR5G.tmp\2a191009fb7b2665ee2f1f78a6f38211.tmp

    Filesize

    92KB

    MD5

    1969e47c426b8837edbdbbf0549ee6a4

    SHA1

    12bde3c18052d50f179771bfdfb15d1f2361b0d5

    SHA256

    d5a7882c1d8623c628c931145b43364457e574b637b72052a28af92f217fd35b

    SHA512

    25f70473dde14d049653cc0413d0df9111527711845fdaaa338359b637b685fc2c1009ed07eff058d7ec2fe1361b04f17bfd5868cae69f220b8d8e2e8333182b

  • \Users\Admin\AppData\Local\Temp\is-KBR0D.tmp\WMF.exe

    Filesize

    92KB

    MD5

    4cb044d57bddd0b705aa5b7830fd5b5a

    SHA1

    ddce53d16b07aae98dbf8569b4d995af98cc0bad

    SHA256

    e487de6d91828f8d2e9b36a27326c37041931bb87c8e5a9f5819e47d7ea7bdde

    SHA512

    813f811f758980e8b6b25b2366e5fbf355767250ea78c7d878f11539ef2499af2fe983183ec4648ffd4461b335a5767b3b39fd251bee8cb08d461fd3455404b0

  • \Users\Admin\AppData\Local\Temp\is-KBR0D.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-RHR5G.tmp\2a191009fb7b2665ee2f1f78a6f38211.tmp

    Filesize

    96KB

    MD5

    0891fb7e8219987c7fefbf7b230ddf09

    SHA1

    4a8624e7a6a90a973c78892e36a82980ce855bf3

    SHA256

    4e12a0daede8c5917d94c57e6648888c85d8547a68f30b30319b33e68e857ef4

    SHA512

    e76770dd899bcfa8c5d76a9397f6c1dd1463e53744886e5f50870678de6a1506e5a25ec82e3388487b0136fc472e97c01a5a0afeab19a4c61810696707f6ec2f

  • memory/2336-38-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2336-42-0x0000000000400000-0x00000000007E2000-memory.dmp

    Filesize

    3.9MB

  • memory/2336-46-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2424-8-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2424-41-0x0000000000400000-0x0000000000529000-memory.dmp

    Filesize

    1.2MB

  • memory/2508-0-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2508-2-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2508-40-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB