Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2023, 14:16

General

  • Target

    NEAS.a5ccc387d60c9c023ee6496769514920.exe

  • Size

    413KB

  • MD5

    a5ccc387d60c9c023ee6496769514920

  • SHA1

    02668059a26e854ce373aad9dfc3bc53cb95bfe9

  • SHA256

    b9f9cb3b8950c6dffac47fe497f32f508ef11b8da30627f27d4a7fa52ac57f41

  • SHA512

    308463338b286c8a0e7a51efdc4541a285428b536435244b9b0c9ba3782514a9e6c52d922aba90214b20c3362ab238622e79e93b14c74d3bcafec23a3249344a

  • SSDEEP

    6144:tI5eAEnpuDqztmqLywYr2DVoHRIAxHRoBkz6ywgOp5OnZLO9ynEv0o2QLyT3jE:tDG+z+wMIAxHRSC6ngjZ4FMxTTE

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.a5ccc387d60c9c023ee6496769514920.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.a5ccc387d60c9c023ee6496769514920.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\n6166\s6166.exe
      "C:\Users\Admin\AppData\Local\Temp\n6166\s6166.exe" ins.exe /u 5193805b-c284-4f85-b972-26465bc06f2f /h d62580.api.socdn.com /e 12351048 /v "C:\Users\Admin\AppData\Local\Temp\NEAS.a5ccc387d60c9c023ee6496769514920.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabB0BB.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarB2A2.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\Temp\n6166\s6166.exe

    Filesize

    289KB

    MD5

    4bc38e4f6b974a45abfc4b613fe6e9e0

    SHA1

    85a08f2521d12827c4feef154eacf11786e6291c

    SHA256

    7bcf24e296488478d1e7ba299cebbe8fdacad41b5a28f1e9b1c908f4f2e2bea0

    SHA512

    1e2a5239c3313cb6336cc12d16de4637d70dbf9299e20c94ac37279ffaa9c5c82eb52410df088b7673a47042c19464569f42b3306e5b9211c00fc406b318534d

  • C:\Users\Admin\AppData\Local\Temp\n6166\s6166.exe

    Filesize

    289KB

    MD5

    4bc38e4f6b974a45abfc4b613fe6e9e0

    SHA1

    85a08f2521d12827c4feef154eacf11786e6291c

    SHA256

    7bcf24e296488478d1e7ba299cebbe8fdacad41b5a28f1e9b1c908f4f2e2bea0

    SHA512

    1e2a5239c3313cb6336cc12d16de4637d70dbf9299e20c94ac37279ffaa9c5c82eb52410df088b7673a47042c19464569f42b3306e5b9211c00fc406b318534d

  • C:\Users\Admin\AppData\Local\Temp\n6166\s6166.exe

    Filesize

    289KB

    MD5

    4bc38e4f6b974a45abfc4b613fe6e9e0

    SHA1

    85a08f2521d12827c4feef154eacf11786e6291c

    SHA256

    7bcf24e296488478d1e7ba299cebbe8fdacad41b5a28f1e9b1c908f4f2e2bea0

    SHA512

    1e2a5239c3313cb6336cc12d16de4637d70dbf9299e20c94ac37279ffaa9c5c82eb52410df088b7673a47042c19464569f42b3306e5b9211c00fc406b318534d

  • \Users\Admin\AppData\Local\Temp\n6166\s6166.exe

    Filesize

    289KB

    MD5

    4bc38e4f6b974a45abfc4b613fe6e9e0

    SHA1

    85a08f2521d12827c4feef154eacf11786e6291c

    SHA256

    7bcf24e296488478d1e7ba299cebbe8fdacad41b5a28f1e9b1c908f4f2e2bea0

    SHA512

    1e2a5239c3313cb6336cc12d16de4637d70dbf9299e20c94ac37279ffaa9c5c82eb52410df088b7673a47042c19464569f42b3306e5b9211c00fc406b318534d

  • \Users\Admin\AppData\Local\Temp\n6166\s6166.exe

    Filesize

    289KB

    MD5

    4bc38e4f6b974a45abfc4b613fe6e9e0

    SHA1

    85a08f2521d12827c4feef154eacf11786e6291c

    SHA256

    7bcf24e296488478d1e7ba299cebbe8fdacad41b5a28f1e9b1c908f4f2e2bea0

    SHA512

    1e2a5239c3313cb6336cc12d16de4637d70dbf9299e20c94ac37279ffaa9c5c82eb52410df088b7673a47042c19464569f42b3306e5b9211c00fc406b318534d

  • \Users\Admin\AppData\Local\Temp\n6166\s6166.exe

    Filesize

    289KB

    MD5

    4bc38e4f6b974a45abfc4b613fe6e9e0

    SHA1

    85a08f2521d12827c4feef154eacf11786e6291c

    SHA256

    7bcf24e296488478d1e7ba299cebbe8fdacad41b5a28f1e9b1c908f4f2e2bea0

    SHA512

    1e2a5239c3313cb6336cc12d16de4637d70dbf9299e20c94ac37279ffaa9c5c82eb52410df088b7673a47042c19464569f42b3306e5b9211c00fc406b318534d

  • \Users\Admin\AppData\Local\Temp\n6166\s6166.exe

    Filesize

    289KB

    MD5

    4bc38e4f6b974a45abfc4b613fe6e9e0

    SHA1

    85a08f2521d12827c4feef154eacf11786e6291c

    SHA256

    7bcf24e296488478d1e7ba299cebbe8fdacad41b5a28f1e9b1c908f4f2e2bea0

    SHA512

    1e2a5239c3313cb6336cc12d16de4637d70dbf9299e20c94ac37279ffaa9c5c82eb52410df088b7673a47042c19464569f42b3306e5b9211c00fc406b318534d

  • memory/2104-80-0x00000000025C0000-0x00000000025D0000-memory.dmp

    Filesize

    64KB

  • memory/2104-78-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2104-0-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2104-3-0x00000000025C0000-0x00000000025D0000-memory.dmp

    Filesize

    64KB

  • memory/2228-76-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-82-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-75-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-25-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

    Filesize

    9.6MB

  • memory/2228-77-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-24-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-79-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-23-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

    Filesize

    9.6MB

  • memory/2228-81-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

    Filesize

    9.6MB

  • memory/2228-74-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB

  • memory/2228-83-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-84-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

    Filesize

    9.6MB

  • memory/2228-85-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-87-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-88-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-89-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-90-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-91-0x0000000001FE0000-0x0000000002060000-memory.dmp

    Filesize

    512KB

  • memory/2228-92-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

    Filesize

    9.6MB