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Analysis

  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2024, 22:35

General

  • Target

    61f5cf9b9425fe31152a53c8e1f850c575b9332da40c1491e374f06fc44dadaa.exe

  • Size

    416KB

  • MD5

    5a304097bbad807ab8c6e530ecccd1e7

  • SHA1

    06f7500dc67eca8fb5d71e3cccfe2a7fc690e60a

  • SHA256

    61f5cf9b9425fe31152a53c8e1f850c575b9332da40c1491e374f06fc44dadaa

  • SHA512

    019bf1d3a4f9925138c5f33bccba773ded34975adc7d973ac081128511a8ccce8d478389a9ef7908b2eac8caecbf0dc8f1f1560d4ec295f696bcaae14bb53bcd

  • SSDEEP

    6144:xNDSLZK+bH6tSYLDidexnCihNJnrWXy1JFIHbP3ShohW90M:LSLZKK/dCCibRz4PiLaM

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 26 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\61f5cf9b9425fe31152a53c8e1f850c575b9332da40c1491e374f06fc44dadaa.exe
    "C:\Users\Admin\AppData\Local\Temp\61f5cf9b9425fe31152a53c8e1f850c575b9332da40c1491e374f06fc44dadaa.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Users\Admin\AppData\Local\Temp\u68.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u68.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 2408
        3⤵
        • Program crash
        PID:4708
    • C:\Users\Admin\AppData\Local\Temp\u68.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u68.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2460
      • 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:1576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 1508
      2⤵
      • Program crash
      PID:4888
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 224 -ip 224
    1⤵
      PID:2424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2044 -ip 2044
      1⤵
        PID:4876

      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

        3KB

        MD5

        c5138a1b17f76d007d960714973fbef3

        SHA1

        2ea29a163e02407699c9547320fdbaf24c202eef

        SHA256

        928eda0de51301b2fd7475befde3f634b8e1bf908228f1b14fdb9b80917a0b74

        SHA512

        0a68ea1c13edbdf450bbabe610256c67df493ec2ede9608b52f386368967ce6d176683a346628d8a696f95b77f6d7965d0e5f0add067e0e143ac4cde61781bd2

      • C:\Users\Admin\AppData\Local\Temp\u68.0.exe

        Filesize

        274KB

        MD5

        fae96a12ae35c2243801206ca089798d

        SHA1

        52b8769b202701900f03c386623232ee23fb90d3

        SHA256

        1b32e30cfeea17e7f29f8c907c42cafc3a18da4306007b5c5bc38cb6bb4f1750

        SHA512

        7a3d2284145b98b8db779e1a941f48125fd3fee00dc147fb6a2c0ecf0840b9c52973930871182e402726878de2bfb0dd7e4d64396e4280700511e2ac81aa7abe

      • C:\Users\Admin\AppData\Local\Temp\u68.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/224-30-0x0000000002BD0000-0x0000000002C3C000-memory.dmp

        Filesize

        432KB

      • memory/224-29-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/224-28-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/224-5-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/224-1-0x0000000002C60000-0x0000000002D60000-memory.dmp

        Filesize

        1024KB

      • memory/224-2-0x0000000002BD0000-0x0000000002C3C000-memory.dmp

        Filesize

        432KB

      • memory/224-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1576-114-0x000001B06F680000-0x000001B06F6AA000-memory.dmp

        Filesize

        168KB

      • memory/1576-123-0x000001B06FCC0000-0x000001B06FFC0000-memory.dmp

        Filesize

        3.0MB

      • memory/1576-159-0x000001B074C00000-0x000001B074C1E000-memory.dmp

        Filesize

        120KB

      • memory/1576-108-0x000001B06F7E0000-0x000001B06F8F0000-memory.dmp

        Filesize

        1.1MB

      • memory/1576-109-0x000001B056BE0000-0x000001B056BF0000-memory.dmp

        Filesize

        64KB

      • memory/1576-110-0x000001B056C00000-0x000001B056C0C000-memory.dmp

        Filesize

        48KB

      • memory/1576-111-0x000001B056BF0000-0x000001B056C04000-memory.dmp

        Filesize

        80KB

      • memory/1576-112-0x000001B06F660000-0x000001B06F684000-memory.dmp

        Filesize

        144KB

      • memory/1576-113-0x000001B056B10000-0x000001B056B1A000-memory.dmp

        Filesize

        40KB

      • memory/1576-158-0x000001B074BD0000-0x000001B074BF2000-memory.dmp

        Filesize

        136KB

      • memory/1576-115-0x000001B06FA30000-0x000001B06FAE2000-memory.dmp

        Filesize

        712KB

      • memory/1576-116-0x000001B06FAE0000-0x000001B06FB5A000-memory.dmp

        Filesize

        488KB

      • memory/1576-117-0x000001B06FB60000-0x000001B06FBC2000-memory.dmp

        Filesize

        392KB

      • memory/1576-118-0x000001B06FC40000-0x000001B06FCB6000-memory.dmp

        Filesize

        472KB

      • memory/1576-119-0x000001B056B20000-0x000001B056B2A000-memory.dmp

        Filesize

        40KB

      • memory/1576-97-0x000001B051660000-0x000001B054F58000-memory.dmp

        Filesize

        57.0MB

      • memory/1576-125-0x000001B0701E0000-0x000001B0701E8000-memory.dmp

        Filesize

        32KB

      • memory/1576-127-0x000001B070240000-0x000001B07024E000-memory.dmp

        Filesize

        56KB

      • memory/1576-126-0x000001B070270000-0x000001B0702A8000-memory.dmp

        Filesize

        224KB

      • memory/1576-128-0x000001B070330000-0x000001B07033A000-memory.dmp

        Filesize

        40KB

      • memory/1576-129-0x000001B074DB0000-0x000001B074DD2000-memory.dmp

        Filesize

        136KB

      • memory/1576-133-0x000001B075300000-0x000001B075828000-memory.dmp

        Filesize

        5.2MB

      • memory/1576-151-0x000001B074B80000-0x000001B074BD0000-memory.dmp

        Filesize

        320KB

      • memory/1576-152-0x000001B074B30000-0x000001B074B3C000-memory.dmp

        Filesize

        48KB

      • memory/2044-51-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/2044-63-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2044-98-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/2044-161-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/2044-166-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/2044-180-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/2460-79-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2460-50-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB