Analysis

  • max time kernel
    197s
  • max time network
    298s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07-05-2024 23:08

General

  • Target

    73cf32b2f6aff72dc11d609f61ebaae2d5827f18c97b48d71fd724c19f394771.exe

  • Size

    372KB

  • MD5

    9f712ea5a04bfae2238764f668305642

  • SHA1

    864debdeec4d00430661070fc1dab479cfc8a6ef

  • SHA256

    73cf32b2f6aff72dc11d609f61ebaae2d5827f18c97b48d71fd724c19f394771

  • SHA512

    25ff360b96fd99abf9e0a6afbd489e3efdf76685b246384cd61ab692a828a1ee7cc508afd95273c10b45c5b7d358bee142a860b134f75375358045bf3b1363d3

  • SSDEEP

    6144:pl+08UGGfdzF7qxvwcB793ituNKkzXwGZTapV:p808UGgdtqrhauN3XwwapV

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • 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 web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73cf32b2f6aff72dc11d609f61ebaae2d5827f18c97b48d71fd724c19f394771.exe
    "C:\Users\Admin\AppData\Local\Temp\73cf32b2f6aff72dc11d609f61ebaae2d5827f18c97b48d71fd724c19f394771.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Users\Admin\AppData\Local\Temp\u3y4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3y4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4576
    • C:\Users\Admin\AppData\Local\Temp\u3y4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3y4.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4452
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Are.docx

    Filesize

    11KB

    MD5

    a33e5b189842c5867f46566bdbf7a095

    SHA1

    e1c06359f6a76da90d19e8fd95e79c832edb3196

    SHA256

    5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

    SHA512

    f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

  • C:\Users\Admin\AppData\Local\Temp\u3y4.0.exe

    Filesize

    262KB

    MD5

    49c818da112894812df1468c79b96bbc

    SHA1

    b943d8877e19b59cd6f61f702c659e635fd96a4f

    SHA256

    7dee0c70282dffb5642fe42e1d7480ace50d58fad04f41f240b99dd7be432a3a

    SHA512

    5171905e30b07b72a32f12b0d9a39003d1a8aa83feeb25cb867a2290eed5e8bf3c6b2d7e5eb85be31a1bc818726dafd899d9956440804b2ef47d46e41c259732

  • C:\Users\Admin\AppData\Local\Temp\u3y4.1.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/1572-134-0x000002C350520000-0x000002C350528000-memory.dmp

    Filesize

    32KB

  • memory/1572-132-0x000002C34C400000-0x000002C34C700000-memory.dmp

    Filesize

    3.0MB

  • memory/1572-145-0x000002C351770000-0x000002C35178E000-memory.dmp

    Filesize

    120KB

  • memory/1572-144-0x000002C351810000-0x000002C351886000-memory.dmp

    Filesize

    472KB

  • memory/1572-143-0x000002C3516C0000-0x000002C3516CC000-memory.dmp

    Filesize

    48KB

  • memory/1572-140-0x000002C351C90000-0x000002C3521B6000-memory.dmp

    Filesize

    5.1MB

  • memory/1572-139-0x000002C351730000-0x000002C351752000-memory.dmp

    Filesize

    136KB

  • memory/1572-137-0x000002C3516B0000-0x000002C3516BA000-memory.dmp

    Filesize

    40KB

  • memory/1572-138-0x000002C3516D0000-0x000002C351732000-memory.dmp

    Filesize

    392KB

  • memory/1572-136-0x000002C350580000-0x000002C350588000-memory.dmp

    Filesize

    32KB

  • memory/1572-135-0x000002C3513B0000-0x000002C3513E8000-memory.dmp

    Filesize

    224KB

  • memory/1572-127-0x000002C331C20000-0x000002C331C2A000-memory.dmp

    Filesize

    40KB

  • memory/1572-116-0x000002C32DEE0000-0x000002C331714000-memory.dmp

    Filesize

    56.2MB

  • memory/1572-119-0x000002C333540000-0x000002C33354C000-memory.dmp

    Filesize

    48KB

  • memory/1572-118-0x000002C333510000-0x000002C333520000-memory.dmp

    Filesize

    64KB

  • memory/1572-117-0x000002C34C040000-0x000002C34C14A000-memory.dmp

    Filesize

    1.0MB

  • memory/1572-121-0x000002C333580000-0x000002C3335A4000-memory.dmp

    Filesize

    144KB

  • memory/1572-120-0x000002C333530000-0x000002C333544000-memory.dmp

    Filesize

    80KB

  • memory/1572-122-0x000002C331C10000-0x000002C331C1A000-memory.dmp

    Filesize

    40KB

  • memory/1572-125-0x000002C34C380000-0x000002C34C3D0000-memory.dmp

    Filesize

    320KB

  • memory/1572-124-0x000002C34C280000-0x000002C34C332000-memory.dmp

    Filesize

    712KB

  • memory/1572-126-0x000002C34C3D0000-0x000002C34C3F2000-memory.dmp

    Filesize

    136KB

  • memory/1572-123-0x000002C34BDF0000-0x000002C34BE1A000-memory.dmp

    Filesize

    168KB

  • memory/4452-104-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/4452-115-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/4576-11-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/4576-13-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4576-169-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/4576-151-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/4576-10-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/4576-60-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/4576-12-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/4576-131-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/5116-51-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/5116-36-0x0000000000400000-0x0000000001A27000-memory.dmp

    Filesize

    22.2MB

  • memory/5116-50-0x0000000000400000-0x0000000001A27000-memory.dmp

    Filesize

    22.2MB

  • memory/5116-2-0x0000000003630000-0x000000000369C000-memory.dmp

    Filesize

    432KB

  • memory/5116-3-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/5116-1-0x0000000001AC0000-0x0000000001BC0000-memory.dmp

    Filesize

    1024KB