Analysis

  • max time kernel
    197s
  • max time network
    300s
  • 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 23:44

General

  • Target

    fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe

  • Size

    403KB

  • MD5

    57898e37ce8ca2e0cd1a0e205eb857ae

  • SHA1

    45eb8c36ef0198d205a68c50190e0983cf6b55b2

  • SHA256

    fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b

  • SHA512

    f7fe7d4236070aefcec13c5d4de692ce899328fe989c94fdaeec42d05de0ccb1c7c03c20ab7ed3c23882603199ed7d06ee2371549fd9966325bb1ee8f6472f6a

  • SSDEEP

    6144:psA3pbjuJg1hDDcvytIS1Kq0j9Or2rGIJl5KBFRvDHf1:psmpbjuJgzbh0BO6Vl0Vvj1

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\fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe
    "C:\Users\Admin\AppData\Local\Temp\fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:168
    • C:\Users\Admin\AppData\Local\Temp\u4o.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u4o.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:208
    • C:\Users\Admin\AppData\Local\Temp\u4o.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u4o.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1456
      • 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:2164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Are.docx

    Filesize

    11KB

    MD5

    a33e5b189842c5867f46566bdbf7a095

    SHA1

    e1c06359f6a76da90d19e8fd95e79c832edb3196

    SHA256

    5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

    SHA512

    f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\Users\Admin\AppData\Local\Temp\u4o.0.exe

    Filesize

    206KB

    MD5

    0917be53327ea132956255dcab650a82

    SHA1

    b60818917f645a8a9af3b530e3ae37c1f002be2f

    SHA256

    211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a

    SHA512

    a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a

  • C:\Users\Admin\AppData\Local\Temp\u4o.1.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/168-14-0x0000000000400000-0x0000000002B22000-memory.dmp

    Filesize

    39.1MB

  • memory/168-3-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/168-15-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/168-1-0x0000000002D70000-0x0000000002E70000-memory.dmp

    Filesize

    1024KB

  • memory/168-2-0x0000000002CA0000-0x0000000002D0C000-memory.dmp

    Filesize

    432KB

  • memory/208-40-0x0000000000400000-0x0000000002AF1000-memory.dmp

    Filesize

    38.9MB

  • memory/208-49-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/208-146-0x0000000000400000-0x0000000002AF1000-memory.dmp

    Filesize

    38.9MB

  • memory/1456-77-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/2164-91-0x000001A01C310000-0x000001A01C33A000-memory.dmp

    Filesize

    168KB

  • memory/2164-121-0x000001A0208B0000-0x000001A0208B8000-memory.dmp

    Filesize

    32KB

  • memory/2164-92-0x000001A01C8A0000-0x000001A01C952000-memory.dmp

    Filesize

    712KB

  • memory/2164-93-0x000001A01C9A0000-0x000001A01C9F0000-memory.dmp

    Filesize

    320KB

  • memory/2164-85-0x000001A01C660000-0x000001A01C76A000-memory.dmp

    Filesize

    1.0MB

  • memory/2164-90-0x000001A003A30000-0x000001A003A3A000-memory.dmp

    Filesize

    40KB

  • memory/2164-94-0x000001A01C9F0000-0x000001A01CA12000-memory.dmp

    Filesize

    136KB

  • memory/2164-98-0x000001A003A40000-0x000001A003A4A000-memory.dmp

    Filesize

    40KB

  • memory/2164-102-0x000001A01CA20000-0x000001A01CD20000-memory.dmp

    Filesize

    3.0MB

  • memory/2164-86-0x000001A003A50000-0x000001A003A60000-memory.dmp

    Filesize

    64KB

  • memory/2164-88-0x000001A003A60000-0x000001A003A74000-memory.dmp

    Filesize

    80KB

  • memory/2164-89-0x000001A01C2F0000-0x000001A01C314000-memory.dmp

    Filesize

    144KB

  • memory/2164-125-0x000001A020BD0000-0x000001A020BD8000-memory.dmp

    Filesize

    32KB

  • memory/2164-122-0x000001A021A30000-0x000001A021A68000-memory.dmp

    Filesize

    224KB

  • memory/2164-129-0x000001A021D80000-0x000001A021DA2000-memory.dmp

    Filesize

    136KB

  • memory/2164-128-0x000001A021D20000-0x000001A021D82000-memory.dmp

    Filesize

    392KB

  • memory/2164-127-0x000001A021D00000-0x000001A021D0A000-memory.dmp

    Filesize

    40KB

  • memory/2164-130-0x000001A0222D0000-0x000001A0227F6000-memory.dmp

    Filesize

    5.1MB

  • memory/2164-133-0x000001A021D10000-0x000001A021D1C000-memory.dmp

    Filesize

    48KB

  • memory/2164-134-0x000001A021E60000-0x000001A021ED6000-memory.dmp

    Filesize

    472KB

  • memory/2164-135-0x000001A021DC0000-0x000001A021DDE000-memory.dmp

    Filesize

    120KB

  • memory/2164-87-0x000001A003A70000-0x000001A003A7C000-memory.dmp

    Filesize

    48KB

  • memory/2164-84-0x000001A000000000-0x000001A003834000-memory.dmp

    Filesize

    56.2MB