Overview

overview

10

Static

static

10

1/0178b79b...bd.exe

windows7-x64

10

1/0178b79b...bd.exe

windows10-2004-x64

10

1/0280cde4...60.exe

windows7-x64

10

1/0280cde4...60.exe

windows10-2004-x64

10

1/08b76206...65.exe

windows7-x64

10

1/08b76206...65.exe

windows10-2004-x64

10

1/0e4fc438...91.exe

windows7-x64

3

1/0e4fc438...91.exe

windows10-2004-x64

10

1/0fb86a8b...05.exe

windows7-x64

10

1/0fb86a8b...05.exe

windows10-2004-x64

10

1/25898c73...8f.exe

windows7-x64

10

1/25898c73...8f.exe

windows10-2004-x64

10

1/2c2e9491...3c.exe

windows7-x64

3

1/2c2e9491...3c.exe

windows10-2004-x64

10

1/2ef0f582...2e.exe

windows7-x64

3

1/2ef0f582...2e.exe

windows10-2004-x64

10

1/39884fc0...82.exe

windows7-x64

10

1/39884fc0...82.exe

windows10-2004-x64

10

1/3a72ecec...8a.exe

windows7-x64

10

1/3a72ecec...8a.exe

windows10-2004-x64

10

1/3bfcb4f7...71.exe

windows7-x64

8

1/3bfcb4f7...71.exe

windows10-2004-x64

10

1/4103411f...f5.exe

windows7-x64

10

1/4103411f...f5.exe

windows10-2004-x64

10

1/4e0fdb84...95.exe

windows7-x64

3

1/4e0fdb84...95.exe

windows10-2004-x64

7

1/5297372f...33.exe

windows7-x64

5

1/5297372f...33.exe

windows10-2004-x64

5

1/68292f38...e4.exe

windows7-x64

3

1/68292f38...e4.exe

windows10-2004-x64

10

1/6da4696b...e5.exe

windows7-x64

7

1/6da4696b...e5.exe

windows10-2004-x64

7

Resubmissions

02-08-2024 12:16

240802-pfv69s1drg 10

02-08-2024 12:15

240802-pe6ava1dra 10

02-08-2024 12:14

240802-pefp7a1dqh 10

02-08-2024 12:06

240802-n97ays1dpa 10

01-08-2024 01:57

240801-cdsl5szgma 10

Analysis

  • max time kernel
    145s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 01:57

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General

  • Target

    1/0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.exe

  • Size

    146KB

  • MD5

    2357ecbcf3b566c76c839daf7ecf2681

  • SHA1

    89d9b7c3eff0a15dc9dbbfe2163de7d5e9479f58

  • SHA256

    0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305

  • SHA512

    bb5630ae44e684f2dfc74478c57bf97a94045501a64022d563e87f2a60d777307cab2b5a14e6764d25a2fd1f27901624c1ee76ca551d5a5e3a21abc4befef401

  • SSDEEP

    3072:V6glyuxE4GsUPnliByocWepo2NVLiguo/pyEwUS:V6gDBGpvEByocWeauV2gvzwU

Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\7V7uPExzv.README.txt

Ransom Note
~~~NULLBULGE LOCK - BASED ON LOCKBIT~~~ >>>> Your data is encrypted... but dont freak out If we encrypted you, you majorly fucked up. But... all can be saved But not for free, we require an xmr payment >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption. Life is too short to be sad. Dont be sad money is only paper. Your files are more important than paper right? If we do not give you decrypter then nobody will pay us in the future. To us, our reputation is very important. There is no dissatisfied victim after payment. >>>> You may contact us and decrypt one file for free on these TOR sites with your personal DECRYPTION ID Download and install TOR Browser https://www.torproject.org/ Write to a chat and wait for the answer, we will always answer you. Sometimes you will need to wait a while Links for Tor Browser: http://nullblgtk7dwzpfklgktzll27ovvnj7pvqkoprmhubnnb32qcbmcpgid.onion/ Link for the normal browser http://group.goocasino.org https://nullbulge.com >>>> Your personal DECRYPTION ID: 217B9D5D58C4AD3C66A215A922AD137A >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems!
URLs

http://nullblgtk7dwzpfklgktzll27ovvnj7pvqkoprmhubnnb32qcbmcpgid.onion/

http://group.goocasino.org

https://nullbulge.com

Signatures

  • Renames multiple (633) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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 Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.exe
    "C:\Users\Admin\AppData\Local\Temp\1\0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4168
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:836
    • C:\ProgramData\DEF7.tmp
      "C:\ProgramData\DEF7.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4836
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\DEF7.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3636
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1452
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{3B0ECC7B-C322-4C21-8AD9-E5049F94BB52}.xps" 133669511139330000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:1644

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-113082768-653872390-2867000172-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      fc41598f40442768e976d36342d95cc9

      SHA1

      cf7e5df2ca4051a6386aa2999b89042e01949b40

      SHA256

      c921f5fb7d72529c2151469b300d9db1cf24ab79975e859c3a0879e648693583

      SHA512

      a90b85a87e4d8bd8379bb0ad1cf292678ca218ae49192afb28ecb3c9cba2b80733dad15cfcb0507e796663f548082fe6ea2410c34c16bb2121ed664b539a5f17

      Download Submit

    • C:\7V7uPExzv.README.txt
      Filesize

      1KB

      MD5

      4b03f226cdb8a6444719f11c87d43d16

      SHA1

      376e570446da0728414be6a4e2646e1686a5ce83

      SHA256

      c3a7d1567839ba61e8033fb4618fcb58225ed4e516704973b444047376521e41

      SHA512

      4cf77740aa2e31b54dd4efe6f11d59edca299bcfe8581cf99478ae5da557668e06137ff6c8e9552327f4ce0ad5fa91609d1bd3fad3d5f08623f0dd74be868619

      Download Submit

    • C:\ProgramData\DEF7.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\1\EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
      Filesize

      146KB

      MD5

      2efb0d5002dbd6278608123864ce7ef3

      SHA1

      a1ad37e29ad0441b74907ac23bcb4ee95fe5708f

      SHA256

      f6ccb6092d6ab2ebc593f35b733cf580edc6be4b30cb8404227bfb48fe2a1ed7

      SHA512

      7851d05b334f7fd819811229b5268d99625524ee234eb0b199751002aaf89aa9e87b6c16c9a6de0da366205a94d72c926abfe07ecc00bd8af5ade11c8a1dd02c

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-113082768-653872390-2867000172-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      99a63c7788b4fc840ff0482a5ede9772

      SHA1

      37b453dc297265388545097339256b88148f7017

      SHA256

      3df62214b66355d46b82de58562f42c5d957b6be90587e8fa2d3866befe542b5

      SHA512

      adca4588dcd916a680750890054cbc778cb2f8d448423d71b90c523af6c79a68e33f351a753e18b83748e078ef794e9ca371604f7388b5589eec38432cda7a0a

      Download Submit

    • memory/1644-2983-0x00007FF8BC890000-0x00007FF8BC8A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1644-2986-0x00007FF8BC890000-0x00007FF8BC8A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1644-2985-0x00007FF8BC890000-0x00007FF8BC8A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1644-2987-0x00007FF8BC890000-0x00007FF8BC8A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1644-2984-0x00007FF8BC890000-0x00007FF8BC8A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1644-3016-0x00007FF8BA4F0000-0x00007FF8BA500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1644-3017-0x00007FF8BA4F0000-0x00007FF8BA500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4168-0-0x0000000002610000-0x0000000002620000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4168-1-0x0000000002610000-0x0000000002620000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4168-2-0x0000000002610000-0x0000000002620000-memory.dmp

      Filesize

      64KB

      Download