Analysis

  • max time kernel
    90s
  • max time network
    128s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 07:02

General

  • Target

    85a077e4192e6627fe3c5456064ff0c9e1fa820cc65f0dfafbf521cdadc8df4d.exe

  • Size

    416KB

  • MD5

    9ba89c00d13169621699738cc85a9aa7

  • SHA1

    f82740951d84bf99843aa46f3eae0e7c7a8791bf

  • SHA256

    85a077e4192e6627fe3c5456064ff0c9e1fa820cc65f0dfafbf521cdadc8df4d

  • SHA512

    c12c5d371202898a15ef07f84589308996ae90040a9ce16968dba025ea14a2555980426e82432f1e1298888b7ad615a75d7d5192cd041a874a485fd642f8c6e6

  • SSDEEP

    6144:uE9fYb7tyBIBFPOofY+dZLomCu9PVDro/rTsKIknXjrxPmHQTNWekuMiv:uEeHtJBFNYnKJro/rIKdXjF+w8Huv

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).

  • Program crash 2 IoCs
  • 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 25 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\85a077e4192e6627fe3c5456064ff0c9e1fa820cc65f0dfafbf521cdadc8df4d.exe
    "C:\Users\Admin\AppData\Local\Temp\85a077e4192e6627fe3c5456064ff0c9e1fa820cc65f0dfafbf521cdadc8df4d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\Temp\u1ng.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ng.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 2484
        3⤵
        • Program crash
        PID:4528
    • C:\Users\Admin\AppData\Local\Temp\u1ng.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ng.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2032
      • 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:4700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 1192
      2⤵
      • Program crash
      PID:4648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2140 -ip 2140
    1⤵
      PID:2932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 3712 -ip 3712
      1⤵
        PID:3340

      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:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        2KB

        MD5

        7d317ce8036d59af7f30f18029c5013b

        SHA1

        788190b48395b0abc848ebc4bbe01573bebef7fb

        SHA256

        fb7df6308b20865751ad10a14de94ed5056db0a4827692cbfeb6656439926279

        SHA512

        22f9602909097484fdcba740de60f1c28ae4f54439f39f3ba270d65f40a9c5f87215d9ff326612607dafb8a5b74156b82eaa3782fbcc740e4654850dcdd43de3

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        086003d39298400016df5c829e4bfa61

        SHA1

        eaba477a5adb14844063255601612ec881f0ad4e

        SHA256

        82fc811cd503973b434a8ce73ae52f0f8daa8e41e9453f89e77709a9c788ca87

        SHA512

        c72055689febee1824dbc1c6c5e32ebd23b28e6eb4ea92cc0ecdec513ebc7d651fe79e1d631c5a141e80c9940beae09b73f2b96f8d15972891a6ebc09801bae1

      • C:\Users\Admin\AppData\Local\Temp\u1ng.0.exe

        Filesize

        275KB

        MD5

        83493b3717b3e54113b89fe0e5b765a1

        SHA1

        0e0b8f1f0a18258e9130f151c06b163418f7a90e

        SHA256

        3cf852a87b37cd494844030de64eec372931b19570a10e0896fc18c94bb99627

        SHA512

        85dd3e6cfc6ed41fe045627d5f701455d94320e7ad21e2ffaff55607b390224e70b2923c2e327e68463fe91a84755fc04f3e3e753720c7d0ede53ba129df0121

      • C:\Users\Admin\AppData\Local\Temp\u1ng.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2032-58-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2032-61-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2140-33-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2140-27-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/2140-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

        Filesize

        1024KB

      • memory/2140-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2140-2-0x0000000002DA0000-0x0000000002E0C000-memory.dmp

        Filesize

        432KB

      • memory/3712-62-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/3712-174-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/3712-168-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/3712-94-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3712-92-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/4700-71-0x000001586B0C0000-0x000001586B172000-memory.dmp

        Filesize

        712KB

      • memory/4700-86-0x000001586FCA0000-0x000001586FCC2000-memory.dmp

        Filesize

        136KB

      • memory/4700-72-0x000001586B1C0000-0x000001586B210000-memory.dmp

        Filesize

        320KB

      • memory/4700-73-0x000001586B210000-0x000001586B232000-memory.dmp

        Filesize

        136KB

      • memory/4700-74-0x0000015850AA0000-0x0000015850AAA000-memory.dmp

        Filesize

        40KB

      • memory/4700-78-0x000001586B240000-0x000001586B540000-memory.dmp

        Filesize

        3.0MB

      • memory/4700-80-0x000001586FC60000-0x000001586FC68000-memory.dmp

        Filesize

        32KB

      • memory/4700-81-0x000001586F5A0000-0x000001586F5D8000-memory.dmp

        Filesize

        224KB

      • memory/4700-83-0x000001586F590000-0x000001586F598000-memory.dmp

        Filesize

        32KB

      • memory/4700-82-0x000001586F570000-0x000001586F57E000-memory.dmp

        Filesize

        56KB

      • memory/4700-84-0x000001586FC80000-0x000001586FC8A000-memory.dmp

        Filesize

        40KB

      • memory/4700-70-0x000001586ADF0000-0x000001586AE1A000-memory.dmp

        Filesize

        168KB

      • memory/4700-85-0x000001586FF30000-0x000001586FF92000-memory.dmp

        Filesize

        392KB

      • memory/4700-87-0x00000158704C0000-0x00000158709E8000-memory.dmp

        Filesize

        5.2MB

      • memory/4700-90-0x000001586FCC0000-0x000001586FCCC000-memory.dmp

        Filesize

        48KB

      • memory/4700-91-0x000001586FDA0000-0x000001586FE16000-memory.dmp

        Filesize

        472KB

      • memory/4700-69-0x000001586ADC0000-0x000001586ADCA000-memory.dmp

        Filesize

        40KB

      • memory/4700-68-0x000001586AD90000-0x000001586ADB4000-memory.dmp

        Filesize

        144KB

      • memory/4700-126-0x000001586FD00000-0x000001586FD1E000-memory.dmp

        Filesize

        120KB

      • memory/4700-67-0x0000015850B10000-0x0000015850B24000-memory.dmp

        Filesize

        80KB

      • memory/4700-66-0x00000158523F0000-0x00000158523FC000-memory.dmp

        Filesize

        48KB

      • memory/4700-65-0x0000015850B00000-0x0000015850B10000-memory.dmp

        Filesize

        64KB

      • memory/4700-64-0x000001586AE50000-0x000001586AF5A000-memory.dmp

        Filesize

        1.0MB

      • memory/4700-63-0x000001584CE10000-0x0000015850644000-memory.dmp

        Filesize

        56.2MB