Analysis

  • max time kernel
    25s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2023 13:02

General

  • Target

    9e37ed80e9b94624b4eb15b005cada730d941cfa.exe

  • Size

    318KB

  • MD5

    5570e31ee5a4dbcdde6b302867fbf790

  • SHA1

    9e37ed80e9b94624b4eb15b005cada730d941cfa

  • SHA256

    29ae2323ba55db42ad131386ef87f2748bc3fd98327b54a1bcc6378387494c8c

  • SHA512

    95995c8877a967c6a0c8aba008bb4fa411df31e7b7105504b247a24c80d10fd157b1b0ca2f2350e9c59024ce6e29d525051d7d8f4fccd9ee629ce1a2385a2487

  • SSDEEP

    6144:/Ya6Tsc4TrmPM1oY2QZ9w9wcBiPaJpKe8O9x7WwRG9PWx3H:/Yhscz0W44xgQAeRtWwRG9PI3

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e37ed80e9b94624b4eb15b005cada730d941cfa.exe
    "C:\Users\Admin\AppData\Local\Temp\9e37ed80e9b94624b4eb15b005cada730d941cfa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\wavzoko.exe
      "C:\Users\Admin\AppData\Local\Temp\wavzoko.exe" C:\Users\Admin\AppData\Local\Temp\tgrhauvyrc.by
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1356
      • C:\Users\Admin\AppData\Local\Temp\wavzoko.exe
        "C:\Users\Admin\AppData\Local\Temp\wavzoko.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tgrhauvyrc.by

    Filesize

    5KB

    MD5

    c19f417818f429bcc99e529909872359

    SHA1

    25d4d082dad2cf65bf44c58718317b409e01418b

    SHA256

    365f61059d937c3d4c847e134899bc6b8244730edb4fc5642d52b8ff0c8ee321

    SHA512

    4e868d0ed4591c3ff51d4d1abaffb5a765432244f0c63c582bc9fa9550c49d81b101cda076f8b97a7268d8d9ebfc97f1664a010aa24b1b9d91c7dc2f9cc1578a

  • C:\Users\Admin\AppData\Local\Temp\twtymfrs.nvh

    Filesize

    262KB

    MD5

    1e078a08a8d8857dabaab737913569e6

    SHA1

    f86a67a2e4135dd6516c0e618e85d933b2300798

    SHA256

    d5f5b2891cfe2279fe0e5da852131f79820ad1baa2aed177e3ca84908e5e345d

    SHA512

    33d05e411290db107d7fd34bd0fc4bfda6104eb52998492d2505b8d04750e95542e8e8776357d2205daa93b41be84c89c4bd12abcd441cd9d8c2a261ed5007d4

  • C:\Users\Admin\AppData\Local\Temp\wavzoko.exe

    Filesize

    112KB

    MD5

    2e21145755dcef581599802e78bd463f

    SHA1

    e140616627f35991ca3e326e8b54b862344ddb58

    SHA256

    bb63247da14e18cbc29927b2266ec06ae423d1d6deb9b69eaa1817abe483183e

    SHA512

    299c398316ada37b424c75ea0303344945ac2333fdaafb3d561e1121fa0a5015761f11b00a5622ba6d636c2a497b906baf3e4a2d3a95be92a7510d5dacd7928f

  • C:\Users\Admin\AppData\Local\Temp\wavzoko.exe

    Filesize

    112KB

    MD5

    2e21145755dcef581599802e78bd463f

    SHA1

    e140616627f35991ca3e326e8b54b862344ddb58

    SHA256

    bb63247da14e18cbc29927b2266ec06ae423d1d6deb9b69eaa1817abe483183e

    SHA512

    299c398316ada37b424c75ea0303344945ac2333fdaafb3d561e1121fa0a5015761f11b00a5622ba6d636c2a497b906baf3e4a2d3a95be92a7510d5dacd7928f

  • C:\Users\Admin\AppData\Local\Temp\wavzoko.exe

    Filesize

    112KB

    MD5

    2e21145755dcef581599802e78bd463f

    SHA1

    e140616627f35991ca3e326e8b54b862344ddb58

    SHA256

    bb63247da14e18cbc29927b2266ec06ae423d1d6deb9b69eaa1817abe483183e

    SHA512

    299c398316ada37b424c75ea0303344945ac2333fdaafb3d561e1121fa0a5015761f11b00a5622ba6d636c2a497b906baf3e4a2d3a95be92a7510d5dacd7928f

  • \Users\Admin\AppData\Local\Temp\wavzoko.exe

    Filesize

    112KB

    MD5

    2e21145755dcef581599802e78bd463f

    SHA1

    e140616627f35991ca3e326e8b54b862344ddb58

    SHA256

    bb63247da14e18cbc29927b2266ec06ae423d1d6deb9b69eaa1817abe483183e

    SHA512

    299c398316ada37b424c75ea0303344945ac2333fdaafb3d561e1121fa0a5015761f11b00a5622ba6d636c2a497b906baf3e4a2d3a95be92a7510d5dacd7928f

  • \Users\Admin\AppData\Local\Temp\wavzoko.exe

    Filesize

    112KB

    MD5

    2e21145755dcef581599802e78bd463f

    SHA1

    e140616627f35991ca3e326e8b54b862344ddb58

    SHA256

    bb63247da14e18cbc29927b2266ec06ae423d1d6deb9b69eaa1817abe483183e

    SHA512

    299c398316ada37b424c75ea0303344945ac2333fdaafb3d561e1121fa0a5015761f11b00a5622ba6d636c2a497b906baf3e4a2d3a95be92a7510d5dacd7928f

  • memory/668-66-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/668-67-0x0000000001DA0000-0x0000000001DD0000-memory.dmp

    Filesize

    192KB

  • memory/2012-54-0x00000000753F1000-0x00000000753F3000-memory.dmp

    Filesize

    8KB