Analysis

  • max time kernel
    193s
  • max time network
    301s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-05-2024 23:23

General

  • Target

    b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd.exe

  • Size

    365KB

  • MD5

    b1dec1297755fa5d0dd45742506cc365

  • SHA1

    8129aab6ae529b053cf2e7ef82cf25108789b0bb

  • SHA256

    b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd

  • SHA512

    04bb173e13e0848433a1b638188d0c6981f570b00534836c09833528d7bf44f61d813b3132d0288f8c594402b65b0172fc8078d7eed1d39384ed35d8d9386987

  • SSDEEP

    6144:0j9PNW6k+7KXF5gUZwnAFpPLr2PXEVT1NjGzG4YqJcbbYTOO1:0j9PA6d7K4UZwQ2Xw1mt+b8OO1

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 19 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\b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd.exe
    "C:\Users\Admin\AppData\Local\Temp\b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Users\Admin\AppData\Local\Temp\u2t8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2t8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:756
    • C:\Users\Admin\AppData\Local\Temp\u2t8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2t8.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:652
      • 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:4260

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\iolo\dm\ioloDMLog.txt

    Filesize

    2KB

    MD5

    d99d9118716ca48d23d0dddafaa7d9a7

    SHA1

    50b80e6fa172be41529ec74c8b7566fd65a4e351

    SHA256

    a40107abf32391a17f140b412d6b68f43c15fe98567dcf682b1c2c8b477560bb

    SHA512

    ee17d2f772abb86f549c48e8d7a9cda5d55fffc133bba0d779e2c02808abed3bf4ab2336a91c013bdcc87002967ce89633796feb67cf6f282ee34640d2f857cb

  • C:\Users\Admin\AppData\Local\Temp\u2t8.0.exe

    Filesize

    206KB

    MD5

    0917be53327ea132956255dcab650a82

    SHA1

    b60818917f645a8a9af3b530e3ae37c1f002be2f

    SHA256

    211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a

    SHA512

    a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a

  • C:\Users\Admin\AppData\Local\Temp\u2t8.1.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/652-37-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/652-82-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/756-38-0x00007FFB73BA0000-0x00007FFB73D7B000-memory.dmp

    Filesize

    1.9MB

  • memory/756-48-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/756-144-0x0000000000400000-0x0000000002AF1000-memory.dmp

    Filesize

    38.9MB

  • memory/756-112-0x0000000000400000-0x0000000002AF1000-memory.dmp

    Filesize

    38.9MB

  • memory/3644-1-0x00007FFB73BA0000-0x00007FFB73D7B000-memory.dmp

    Filesize

    1.9MB

  • memory/3644-13-0x0000000000400000-0x0000000001A25000-memory.dmp

    Filesize

    22.1MB

  • memory/3644-8-0x0000000000400000-0x0000000001A25000-memory.dmp

    Filesize

    22.1MB

  • memory/4260-113-0x000002824D6C0000-0x000002824D6CA000-memory.dmp

    Filesize

    40KB

  • memory/4260-124-0x000002826A600000-0x000002826A608000-memory.dmp

    Filesize

    32KB

  • memory/4260-111-0x000002824D580000-0x000002824D5A4000-memory.dmp

    Filesize

    144KB

  • memory/4260-109-0x000002824D560000-0x000002824D56C000-memory.dmp

    Filesize

    48KB

  • memory/4260-115-0x00000282663A0000-0x0000028266452000-memory.dmp

    Filesize

    712KB

  • memory/4260-114-0x000002824D6F0000-0x000002824D71A000-memory.dmp

    Filesize

    168KB

  • memory/4260-116-0x00000282664A0000-0x00000282664F0000-memory.dmp

    Filesize

    320KB

  • memory/4260-117-0x0000028266450000-0x0000028266472000-memory.dmp

    Filesize

    136KB

  • memory/4260-108-0x000002824BC60000-0x000002824BC70000-memory.dmp

    Filesize

    64KB

  • memory/4260-118-0x000002824D530000-0x000002824D53A000-memory.dmp

    Filesize

    40KB

  • memory/4260-122-0x00000282664F0000-0x00000282667F0000-memory.dmp

    Filesize

    3.0MB

  • memory/4260-110-0x000002824D550000-0x000002824D564000-memory.dmp

    Filesize

    80KB

  • memory/4260-125-0x000002826AC90000-0x000002826ACC8000-memory.dmp

    Filesize

    224KB

  • memory/4260-126-0x000002826A660000-0x000002826A668000-memory.dmp

    Filesize

    32KB

  • memory/4260-127-0x000002826AF90000-0x000002826AF9A000-memory.dmp

    Filesize

    40KB

  • memory/4260-128-0x000002826AFB0000-0x000002826B012000-memory.dmp

    Filesize

    392KB

  • memory/4260-129-0x000002826B010000-0x000002826B032000-memory.dmp

    Filesize

    136KB

  • memory/4260-130-0x000002826B560000-0x000002826BA86000-memory.dmp

    Filesize

    5.1MB

  • memory/4260-133-0x000002826AFA0000-0x000002826AFAC000-memory.dmp

    Filesize

    48KB

  • memory/4260-134-0x000002826B0F0000-0x000002826B166000-memory.dmp

    Filesize

    472KB

  • memory/4260-107-0x0000028266060000-0x000002826616A000-memory.dmp

    Filesize

    1.0MB

  • memory/4260-83-0x0000028247FC0000-0x000002824B7F4000-memory.dmp

    Filesize

    56.2MB

  • memory/4260-145-0x0000028266A10000-0x0000028266A2E000-memory.dmp

    Filesize

    120KB