Overview

overview

10

Static

static

8

74d571874b...2f.exe

windows7-x64

10

74d571874b...2f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 21:03

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General

  • Target

    74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe

  • Size

    255KB

  • MD5

    ae43e6be2ce789ba4d5185b6d242adda

  • SHA1

    50a717c9f14eea606c03def87b76828a7b343edb

  • SHA256

    74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f

  • SHA512

    6fc10aca0d04b8194affcbb20a778144678d8e5c1a91c300c32723e0b200533dcc1076ed08b14553dc364f6c32273153f80fecab3b814593b9c41c1b57171988

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJc:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI/

Score
10/10
evasionpersistencetrojanupx

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe
    "C:\Users\Admin\AppData\Local\Temp\74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Windows\SysWOW64\dfbdflarro.exe
      dfbdflarro.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3644
      • C:\Windows\SysWOW64\vuulpuiw.exe
        C:\Windows\system32\vuulpuiw.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1044
    • C:\Windows\SysWOW64\qnqniupmnbynccy.exe
      qnqniupmnbynccy.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c lyhzrywffbbqn.exe
        3⤵
          PID:2036
      • C:\Windows\SysWOW64\vuulpuiw.exe
        vuulpuiw.exe
        2⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2288
      • C:\Windows\SysWOW64\lyhzrywffbbqn.exe
        lyhzrywffbbqn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2620
      • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
        2⤵
        • Drops file in Windows directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:380

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Hidden Files and Directories

    2
    T1158

    Registry Run Keys / Startup Folder

    1
    T1060

    Winlogon Helper DLL

    1
    T1004

    Privilege Escalation

    Defense Evasion

    Hidden Files and Directories

    2
    T1158

    Modify Registry

    6
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Discovery

    Query Registry

    4
    T1012

    System Information Discovery

    5
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
      Filesize

      255KB

      MD5

      4040e1d18cb10be1f944e36d31c3402f

      SHA1

      f85edd641cf19e4db35ab2aa0183af2e7f86be2b

      SHA256

      d40ac52e295b5831f5ef1e444f499b47d37565c66856718634e3349d6f142f26

      SHA512

      e3d5cf24d68420f3362dc30dee03e25cae2b84223d43016c97a0f27271f8d71cc93256db40681e5146f1c5a6b4566d1c5e32d1a99fc6fb3c31f58492cdda13e4

      Download Submit
    • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
      Filesize

      255KB

      MD5

      319dc2ce4907cabbc04282263af0ebad

      SHA1

      36606efd63fdf3f5851e713d6585f92c53427d5c

      SHA256

      17f0ebcede6159ed2644d3cc14708b23ea851882eea1a4178b3f79b70a5ecedc

      SHA512

      7e7dc4a5a75b34e7e7235ddb2cf5ce1f0d1cf5a72b4378d49f19937d9b8d551207626e59e557f97460097eda99f712c4a64ec2a59934f4107dc4dbbc1080f024

      Download Submit
    • C:\Windows\SysWOW64\dfbdflarro.exe
      Filesize

      255KB

      MD5

      41e201a7262974d165d2daed2c280727

      SHA1

      d76fc0c55f09f1ec480082fcf0c6aaf9c64e5610

      SHA256

      b0cee2b2163827505f22af1d211e8a450941bec6236e6d09c0bac829aa4d3964

      SHA512

      2c64aea8da828c741bce6315dfab3db2d843984caec67c8ba02a20d70521126c87268ab7a4e6003a0a0b634126ec0b00a99b00fb4cee3abd31d1f09f0d760f21

      Download Submit
    • C:\Windows\SysWOW64\dfbdflarro.exe
      Filesize

      255KB

      MD5

      41e201a7262974d165d2daed2c280727

      SHA1

      d76fc0c55f09f1ec480082fcf0c6aaf9c64e5610

      SHA256

      b0cee2b2163827505f22af1d211e8a450941bec6236e6d09c0bac829aa4d3964

      SHA512

      2c64aea8da828c741bce6315dfab3db2d843984caec67c8ba02a20d70521126c87268ab7a4e6003a0a0b634126ec0b00a99b00fb4cee3abd31d1f09f0d760f21

      Download Submit
    • C:\Windows\SysWOW64\lyhzrywffbbqn.exe
      Filesize

      255KB

      MD5

      1e0fc1c9044f556a8b9f836898298e41

      SHA1

      2bfcf3fc3bde9e9ef257ca633da640de4f72cacd

      SHA256

      39704dd63f8f51f2ddb99b85d710e2814f51d96d2a043cc3a19d07e9ff5cbbf9

      SHA512

      494012d027c94f4472166597d60612c57251b1353affcb1bdadd2d41189f334ea8dd7073ca3a2041025ed6f9a2998e28669f857d99280eb482fc96fcf06556d7

      Download Submit
    • C:\Windows\SysWOW64\lyhzrywffbbqn.exe
      Filesize

      255KB

      MD5

      1e0fc1c9044f556a8b9f836898298e41

      SHA1

      2bfcf3fc3bde9e9ef257ca633da640de4f72cacd

      SHA256

      39704dd63f8f51f2ddb99b85d710e2814f51d96d2a043cc3a19d07e9ff5cbbf9

      SHA512

      494012d027c94f4472166597d60612c57251b1353affcb1bdadd2d41189f334ea8dd7073ca3a2041025ed6f9a2998e28669f857d99280eb482fc96fcf06556d7

      Download Submit
    • C:\Windows\SysWOW64\qnqniupmnbynccy.exe
      Filesize

      255KB

      MD5

      d518afeb1488ce85cfdf9440cd7d513c

      SHA1

      87db6ee93c3e1af0e6bdbb04d2b2489e3b477ec8

      SHA256

      74b7af957e2a2668b3cd6ed1409cc37814b728f67d2c0b55bea68ed34001ec5f

      SHA512

      41f8f723616f916415b4920f0243683a70b2d8dd11b0a1bc065e2552fbad70d5054499597f9e06d5fca42d6ecb38c919e9fa490b5ded52496ea526e7b8e662d8

      Download Submit
    • C:\Windows\SysWOW64\qnqniupmnbynccy.exe
      Filesize

      255KB

      MD5

      d518afeb1488ce85cfdf9440cd7d513c

      SHA1

      87db6ee93c3e1af0e6bdbb04d2b2489e3b477ec8

      SHA256

      74b7af957e2a2668b3cd6ed1409cc37814b728f67d2c0b55bea68ed34001ec5f

      SHA512

      41f8f723616f916415b4920f0243683a70b2d8dd11b0a1bc065e2552fbad70d5054499597f9e06d5fca42d6ecb38c919e9fa490b5ded52496ea526e7b8e662d8

      Download Submit
    • C:\Windows\SysWOW64\vuulpuiw.exe
      Filesize

      255KB

      MD5

      9c735fcd392b3351464befaf4d8829f9

      SHA1

      23ac8656364ba7f252efed38540568dfd1bd8a9e

      SHA256

      b567af00f85ed2379bf08ea638b7f9db69d182fe232dc186b5515ff729d8eebc

      SHA512

      21ad5d26bd785de4cc9c306083c94fbf5faa5ba43e70f516976debdf29c1e1f48363a04299b2e55a295e60b4f3bac159a9dd6cf8f7d71ad3e8525add64112aba

      Download Submit
    • C:\Windows\SysWOW64\vuulpuiw.exe
      Filesize

      255KB

      MD5

      9c735fcd392b3351464befaf4d8829f9

      SHA1

      23ac8656364ba7f252efed38540568dfd1bd8a9e

      SHA256

      b567af00f85ed2379bf08ea638b7f9db69d182fe232dc186b5515ff729d8eebc

      SHA512

      21ad5d26bd785de4cc9c306083c94fbf5faa5ba43e70f516976debdf29c1e1f48363a04299b2e55a295e60b4f3bac159a9dd6cf8f7d71ad3e8525add64112aba

      Download Submit
    • C:\Windows\SysWOW64\vuulpuiw.exe
      Filesize

      255KB

      MD5

      9c735fcd392b3351464befaf4d8829f9

      SHA1

      23ac8656364ba7f252efed38540568dfd1bd8a9e

      SHA256

      b567af00f85ed2379bf08ea638b7f9db69d182fe232dc186b5515ff729d8eebc

      SHA512

      21ad5d26bd785de4cc9c306083c94fbf5faa5ba43e70f516976debdf29c1e1f48363a04299b2e55a295e60b4f3bac159a9dd6cf8f7d71ad3e8525add64112aba

      Download Submit
    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit
    • memory/380-162-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp
      Filesize

      64KB

      Download
    • memory/380-156-0x0000000000000000-mapping.dmp
      Download
    • memory/380-164-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp
      Filesize

      64KB

      Download
    • memory/380-163-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp
      Filesize

      64KB

      Download
    • memory/380-161-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp
      Filesize

      64KB

      Download
    • memory/380-160-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp
      Filesize

      64KB

      Download
    • memory/380-165-0x00007FF82C530000-0x00007FF82C540000-memory.dmp
      Filesize

      64KB

      Download
    • memory/380-166-0x00007FF82C530000-0x00007FF82C540000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1044-170-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/1044-153-0x0000000000000000-mapping.dmp
      Download
    • memory/1044-155-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/2036-145-0x0000000000000000-mapping.dmp
      Download
    • memory/2288-142-0x0000000000000000-mapping.dmp
      Download
    • memory/2288-168-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/2288-148-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/2620-169-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/2620-149-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/2620-146-0x0000000000000000-mapping.dmp
      Download
    • memory/2912-152-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/2912-141-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/2912-137-0x0000000000000000-mapping.dmp
      Download
    • memory/3644-151-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/3644-140-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/3644-134-0x0000000000000000-mapping.dmp
      Download
    • memory/4376-133-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/4376-157-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download
    • memory/4376-132-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

      Download