Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01-05-2024 12:22

General

  • Target

    bbf4239f42f53e8b6e1dafc178bad44d1ef109ad51a0b5e5a22a0b831a7407a2.exe

  • Size

    380KB

  • MD5

    0d47731cf5722ac576b27d591d6534a7

  • SHA1

    edc50b8f3e6ab722301a8a9cd5ee6e305fb84245

  • SHA256

    bbf4239f42f53e8b6e1dafc178bad44d1ef109ad51a0b5e5a22a0b831a7407a2

  • SHA512

    6681014cd2416b4e023296749d83944446a5fc41aa43265ddeb255a2e0f05979d391597790af30f9fdddb02b6f37123731efb6e831a072e2bdb29f664c2ef78b

  • SSDEEP

    6144:RuE7FLKXiQUZO1WiXTLY4LCXr2UD9ztU8AYTUAcCeZQ0Sehb/:RuE7FS1eOtLY4LCb2UE87Qf6ehb/

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 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 3 IoCs
  • Loads dropped DLL 3 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • 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 30 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbf4239f42f53e8b6e1dafc178bad44d1ef109ad51a0b5e5a22a0b831a7407a2.exe
    "C:\Users\Admin\AppData\Local\Temp\bbf4239f42f53e8b6e1dafc178bad44d1ef109ad51a0b5e5a22a0b831a7407a2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3728
    • C:\Users\Admin\AppData\Local\Temp\u2vk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vk.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 2092
        3⤵
        • Program crash
        PID:4892
    • C:\Users\Admin\AppData\Local\Temp\u2vk.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vk.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3268
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:952
    • C:\Users\Admin\AppData\Local\Temp\u2vk.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vk.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4620
      • 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:4768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 1560
      2⤵
      • Program crash
      PID:3316
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3728 -ip 3728
    1⤵
      PID:400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2616 -ip 2616
      1⤵
        PID:3360

      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\f62f9cde

        Filesize

        1.4MB

        MD5

        69ea2423ea64b24f33374ee451745075

        SHA1

        531e6fb500d9ba734067c848a76967a27ad83ffc

        SHA256

        ba78e6440d2d7a36a86a8102010615cd789074b88778597f4f5c8adb9d399f4b

        SHA512

        60b25e413e71e038bc4d4bd82804611a1638939309b229ee45163f871f63d6921aa07a7a4e8a017e611a5828e271f5eb48dfacadf58284a445dd23dc30ef5c97

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

        Filesize

        2KB

        MD5

        70a04cd2f8ed075cfdbd7ccb3735fbb4

        SHA1

        8d0d0e401a6eec2d52c82597d9263e715f5e5e5a

        SHA256

        07562901bfc4f1515c3979db5af9668d3a160ccab97285818f124cde58ff054c

        SHA512

        2159202acc5a36c51faad0013971b22807b89b365b5a26622adeb96f1d6783e38bd081e4a3c777258c0379d6de2727cab4b4187faeb3416020c06c9948e9e817

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

        Filesize

        3KB

        MD5

        852c1a8ca5a0260e0333364fc966131f

        SHA1

        89b9b1f617109322613aa5476d54a477767d8d21

        SHA256

        a946e8797b137075a0cf2a0a83ef2f97d190d16188f060c1e332d35f86bdec46

        SHA512

        6a32c8a25ae94351d56306e4f662171d6deaa624219fbe03ddb674243aaf73ae4f4c46c61b1a176cc8559804248d88cebefcb61b13e01b31477c5c82e61849a4

      • C:\Users\Admin\AppData\Local\Temp\tmp3862.tmp

        Filesize

        20KB

        MD5

        a603e09d617fea7517059b4924b1df93

        SHA1

        31d66e1496e0229c6a312f8be05da3f813b3fa9e

        SHA256

        ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

        SHA512

        eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

      • C:\Users\Admin\AppData\Local\Temp\tmp3884.tmp

        Filesize

        20KB

        MD5

        22be08f683bcc01d7a9799bbd2c10041

        SHA1

        2efb6041cf3d6e67970135e592569c76fc4c41de

        SHA256

        451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

        SHA512

        0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

      • C:\Users\Admin\AppData\Local\Temp\u2vk.0.exe

        Filesize

        236KB

        MD5

        4cfcf8f2027e1d4d261783f86080f207

        SHA1

        96a181cb275192ade859834199b41be4692cca37

        SHA256

        1bab9cc0f94e17f183e08080461dbe06b67b0407985809645fee6e916c48ae58

        SHA512

        ca5ff3ebf01f89585ce4a897480b2cb3333ac0c46761352dfaf08614b23264c14b92f67205a5e359fdd1c191b8d26a8119d2509d55fcedeb5b056c2c3ff1c3f7

      • C:\Users\Admin\AppData\Local\Temp\u2vk.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u2vk.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u2vk.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u2vk.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u2vk.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u2vk.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u2vk.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/952-278-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

        Filesize

        120KB

      • memory/952-277-0x00000000062F0000-0x000000000681C000-memory.dmp

        Filesize

        5.2MB

      • memory/952-267-0x0000000071440000-0x0000000072757000-memory.dmp

        Filesize

        19.1MB

      • memory/952-270-0x0000000000A00000-0x0000000000AC6000-memory.dmp

        Filesize

        792KB

      • memory/952-271-0x0000000005060000-0x00000000050F2000-memory.dmp

        Filesize

        584KB

      • memory/952-272-0x0000000005710000-0x0000000005CB6000-memory.dmp

        Filesize

        5.6MB

      • memory/952-273-0x00000000053A0000-0x0000000005562000-memory.dmp

        Filesize

        1.8MB

      • memory/952-275-0x00000000051D0000-0x0000000005220000-memory.dmp

        Filesize

        320KB

      • memory/952-274-0x0000000005250000-0x00000000052C6000-memory.dmp

        Filesize

        472KB

      • memory/952-276-0x0000000005040000-0x000000000504A000-memory.dmp

        Filesize

        40KB

      • memory/952-279-0x0000000005EC0000-0x0000000005F26000-memory.dmp

        Filesize

        408KB

      • memory/952-298-0x0000000007710000-0x000000000771A000-memory.dmp

        Filesize

        40KB

      • memory/1008-172-0x0000000072A20000-0x0000000072B9D000-memory.dmp

        Filesize

        1.5MB

      • memory/1008-103-0x00007FFC55080000-0x00007FFC55289000-memory.dmp

        Filesize

        2.0MB

      • memory/1008-102-0x0000000072A20000-0x0000000072B9D000-memory.dmp

        Filesize

        1.5MB

      • memory/2616-129-0x0000000002CB0000-0x0000000002DB0000-memory.dmp

        Filesize

        1024KB

      • memory/2616-218-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/2616-130-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3268-219-0x00007FFC55080000-0x00007FFC55289000-memory.dmp

        Filesize

        2.0MB

      • memory/3268-265-0x0000000072A20000-0x0000000072B9D000-memory.dmp

        Filesize

        1.5MB

      • memory/3728-128-0x0000000003130000-0x000000000319D000-memory.dmp

        Filesize

        436KB

      • memory/3728-1-0x0000000002D40000-0x0000000002E40000-memory.dmp

        Filesize

        1024KB

      • memory/3728-2-0x0000000003130000-0x000000000319D000-memory.dmp

        Filesize

        436KB

      • memory/3728-127-0x0000000000400000-0x0000000002B1D000-memory.dmp

        Filesize

        39.1MB

      • memory/3728-3-0x0000000000400000-0x0000000002B1D000-memory.dmp

        Filesize

        39.1MB

      • memory/3728-16-0x0000000000400000-0x0000000002B1D000-memory.dmp

        Filesize

        39.1MB

      • memory/4620-221-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4620-233-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4768-239-0x00000198403B0000-0x00000198403D4000-memory.dmp

        Filesize

        144KB

      • memory/4768-254-0x000001985D5B0000-0x000001985D5BE000-memory.dmp

        Filesize

        56KB

      • memory/4768-255-0x000001985DC70000-0x000001985DC7A000-memory.dmp

        Filesize

        40KB

      • memory/4768-256-0x000001985DF10000-0x000001985DF32000-memory.dmp

        Filesize

        136KB

      • memory/4768-257-0x000001985E460000-0x000001985E988000-memory.dmp

        Filesize

        5.2MB

      • memory/4768-261-0x000001985DC90000-0x000001985DC9C000-memory.dmp

        Filesize

        48KB

      • memory/4768-260-0x000001985DCE0000-0x000001985DD30000-memory.dmp

        Filesize

        320KB

      • memory/4768-262-0x000001985DD30000-0x000001985DD52000-memory.dmp

        Filesize

        136KB

      • memory/4768-263-0x000001985DD60000-0x000001985DD7E000-memory.dmp

        Filesize

        120KB

      • memory/4768-253-0x000001985D5E0000-0x000001985D618000-memory.dmp

        Filesize

        224KB

      • memory/4768-252-0x000001985DC60000-0x000001985DC68000-memory.dmp

        Filesize

        32KB

      • memory/4768-250-0x0000019859240000-0x0000019859540000-memory.dmp

        Filesize

        3.0MB

      • memory/4768-246-0x0000019840340000-0x000001984034A000-memory.dmp

        Filesize

        40KB

      • memory/4768-245-0x00000198591C0000-0x0000019859236000-memory.dmp

        Filesize

        472KB

      • memory/4768-244-0x0000019858D40000-0x0000019858DA2000-memory.dmp

        Filesize

        392KB

      • memory/4768-243-0x00000198590C0000-0x000001985913A000-memory.dmp

        Filesize

        488KB

      • memory/4768-242-0x0000019858D10000-0x0000019858D3A000-memory.dmp

        Filesize

        168KB

      • memory/4768-241-0x0000019859010000-0x00000198590C2000-memory.dmp

        Filesize

        712KB

      • memory/4768-240-0x0000019858CF0000-0x0000019858CFA000-memory.dmp

        Filesize

        40KB

      • memory/4768-238-0x0000019840380000-0x0000019840394000-memory.dmp

        Filesize

        80KB

      • memory/4768-236-0x0000019840370000-0x0000019840380000-memory.dmp

        Filesize

        64KB

      • memory/4768-237-0x0000019840390000-0x000001984039C000-memory.dmp

        Filesize

        48KB

      • memory/4768-235-0x0000019858DB0000-0x0000019858EC0000-memory.dmp

        Filesize

        1.1MB

      • memory/4768-234-0x000001983AC70000-0x000001983E568000-memory.dmp

        Filesize

        57.0MB