Analysis

  • max time kernel
    123s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    31-01-2022 21:03

General

  • Target

    5a9468a87997f2363995e264505105f6a235b66543bb28635fb74f78704e9111.exe

  • Size

    203KB

  • MD5

    75758f7b5ce71fa918c1c7c68d3bd524

  • SHA1

    4a6ac65f6f8304bacbf176fce156cc0393aae565

  • SHA256

    5a9468a87997f2363995e264505105f6a235b66543bb28635fb74f78704e9111

  • SHA512

    0d6ee5345777439f69fb5b49ef7ba7687bc40467d618f77e1c81ba08ef645e1596f3019496b2df7e229ae1f274edb17cdc81124a7ca0a6478a157ca6865fae7a

Score
8/10

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 6 IoCs
  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a9468a87997f2363995e264505105f6a235b66543bb28635fb74f78704e9111.exe
    "C:\Users\Admin\AppData\Local\Temp\5a9468a87997f2363995e264505105f6a235b66543bb28635fb74f78704e9111.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3204
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe cca8caa2ea64754bd3fcd86962d91025 QdFWC7rsiE6oT18xQcR8EQ.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:1940
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4928

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/4928-131-0x0000018DA7B90000-0x0000018DA7BA0000-memory.dmp
    Filesize

    64KB

  • memory/4928-130-0x0000018DA7B30000-0x0000018DA7B40000-memory.dmp
    Filesize

    64KB

  • memory/4928-132-0x0000018DAA880000-0x0000018DAA884000-memory.dmp
    Filesize

    16KB