Analysis

  • max time kernel
    37s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 12:50

General

  • Target

    50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe

  • Size

    372KB

  • MD5

    326c69656644cf65b35197f01dfff9f5

  • SHA1

    608a56e5c389f7720ed34ce2ae5ad37b0c27f58f

  • SHA256

    50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3

  • SHA512

    0db28735ccaa6efced000dd70e7edeb6b0520e1657a461a07cc05f159a206d0761752c840348d4df5b5faab24a1d074dca23427335724956131e40366678e303

  • SSDEEP

    6144:pGPxzYVfryibS0RMb2oP6jZRDu82So+jO8PdCkniwVUBh0V+VtdQT6lXs:pGPx0zzb9RMbP6jZhGSo+jOpiXI2V+VI

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 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe
    "C:\Users\Admin\AppData\Local\Temp\50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Users\Admin\AppData\Local\Temp\u180.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u180.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2580
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 1968
        3⤵
        • Program crash
        PID:1680
    • C:\Users\Admin\AppData\Local\Temp\u180.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u180.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5068
      • 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⤵
          PID:1860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 1196
        2⤵
        • Program crash
        PID:4092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1584 -ip 1584
      1⤵
        PID:3408
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2580 -ip 2580
        1⤵
          PID:2992

        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

          e5d807424f9ed2e5a3435f8defa5694a

          SHA1

          5b7a5a5b9d07c2c5013420f1a79aabd09a7e265d

          SHA256

          ae53743d50ba1fcb9d2858c8cbcf3a179a7b90405600da4a4b72887e03a81bc7

          SHA512

          7b2e91c6b59b3f9d31100c7953d612b73cc1476a26344df490cccc7e511c162d2ed20cc9ee62b7f415ec77612ecb33b1f350be6907fd86a6c6ace45490f23d32

        • C:\Users\Admin\AppData\Local\Temp\u180.0.exe

          Filesize

          231KB

          MD5

          879b731bc25ad06eea7282496b49363e

          SHA1

          b8d419721f28e130cce781e5968f40ac2c5e7456

          SHA256

          ab5ad9f5fd8938c963a1602539d2409a514f26e8263b9f424b3a79fc3632f98f

          SHA512

          6c69b11027063f24ee98c7202b4a8fd8c0cf023f4819231710c93707d2624127b41b8337f7a7e7de45d8c9b2b9ecf8e7c469b47ab1916c6468ab439a038b06c2

        • C:\Users\Admin\AppData\Local\Temp\u180.1.exe

          Filesize

          4.6MB

          MD5

          397926927bca55be4a77839b1c44de6e

          SHA1

          e10f3434ef3021c399dbba047832f02b3c898dbd

          SHA256

          4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

          SHA512

          cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

        • memory/1584-31-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/1584-30-0x0000000002870000-0x00000000028DC000-memory.dmp

          Filesize

          432KB

        • memory/1584-29-0x0000000000400000-0x0000000002599000-memory.dmp

          Filesize

          33.6MB

        • memory/1584-1-0x0000000002920000-0x0000000002A20000-memory.dmp

          Filesize

          1024KB

        • memory/1584-13-0x0000000000400000-0x0000000002599000-memory.dmp

          Filesize

          33.6MB

        • memory/1584-3-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/1584-2-0x0000000002870000-0x00000000028DC000-memory.dmp

          Filesize

          432KB

        • memory/1860-151-0x000002075F380000-0x000002075F680000-memory.dmp

          Filesize

          3.0MB

        • memory/1860-145-0x000002075F300000-0x000002075F350000-memory.dmp

          Filesize

          320KB

        • memory/1860-166-0x0000020764610000-0x000002076462E000-memory.dmp

          Filesize

          120KB

        • memory/1860-165-0x00000207646B0000-0x0000020764726000-memory.dmp

          Filesize

          472KB

        • memory/1860-128-0x0000020740F10000-0x0000020744744000-memory.dmp

          Filesize

          56.2MB

        • memory/1860-155-0x0000020763740000-0x0000020763778000-memory.dmp

          Filesize

          224KB

        • memory/1860-137-0x000002075EF20000-0x000002075F02A000-memory.dmp

          Filesize

          1.0MB

        • memory/1860-140-0x0000020746510000-0x0000020746524000-memory.dmp

          Filesize

          80KB

        • memory/1860-139-0x0000020746520000-0x000002074652C000-memory.dmp

          Filesize

          48KB

        • memory/1860-138-0x0000020744BE0000-0x0000020744BF0000-memory.dmp

          Filesize

          64KB

        • memory/1860-141-0x0000020746530000-0x0000020746554000-memory.dmp

          Filesize

          144KB

        • memory/1860-143-0x000002075F1C0000-0x000002075F1EA000-memory.dmp

          Filesize

          168KB

        • memory/1860-142-0x0000020746550000-0x000002074655A000-memory.dmp

          Filesize

          40KB

        • memory/1860-144-0x000002075F200000-0x000002075F2B2000-memory.dmp

          Filesize

          712KB

        • memory/1860-146-0x000002075F350000-0x000002075F372000-memory.dmp

          Filesize

          136KB

        • memory/1860-156-0x0000020763700000-0x000002076370E000-memory.dmp

          Filesize

          56KB

        • memory/1860-147-0x000002075F1B0000-0x000002075F1BA000-memory.dmp

          Filesize

          40KB

        • memory/1860-164-0x00000207645D0000-0x00000207645DC000-memory.dmp

          Filesize

          48KB

        • memory/1860-161-0x0000020764E20000-0x0000020765348000-memory.dmp

          Filesize

          5.2MB

        • memory/1860-154-0x0000020763030000-0x0000020763038000-memory.dmp

          Filesize

          32KB

        • memory/1860-157-0x0000020763720000-0x0000020763728000-memory.dmp

          Filesize

          32KB

        • memory/1860-160-0x00000207648D0000-0x00000207648F2000-memory.dmp

          Filesize

          136KB

        • memory/1860-159-0x0000020764870000-0x00000207648D2000-memory.dmp

          Filesize

          392KB

        • memory/1860-158-0x0000020764850000-0x000002076485A000-memory.dmp

          Filesize

          40KB

        • memory/2580-153-0x0000000000400000-0x0000000002576000-memory.dmp

          Filesize

          33.5MB

        • memory/2580-52-0x0000000000400000-0x0000000002576000-memory.dmp

          Filesize

          33.5MB

        • memory/2580-54-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/2580-104-0x0000000000400000-0x0000000002576000-memory.dmp

          Filesize

          33.5MB

        • memory/5068-51-0x0000000000400000-0x00000000008AD000-memory.dmp

          Filesize

          4.7MB

        • memory/5068-110-0x0000000000400000-0x00000000008AD000-memory.dmp

          Filesize

          4.7MB