Analysis

  • max time kernel
    127s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2023 16:18

General

  • Target

    NEAS.3fdad99a17a6766fe396081f82394f5e2da0142651427da64a5b6e28c9df2fd4.exe

  • Size

    161KB

  • MD5

    422f5cdf619404563b0c3e249bd121d4

  • SHA1

    1a364144342602074a8140ec4da5eb4f0be26274

  • SHA256

    3fdad99a17a6766fe396081f82394f5e2da0142651427da64a5b6e28c9df2fd4

  • SHA512

    b63d22bb9556ed2d2aeefb94d9ef2245e76f433d897d5fba402d686682af3b3df14c20b7dc64694436245473a7bab8d6de8aafc6633e7e91f535f8c9ecbd3aa6

  • SSDEEP

    3072:Hp5SexkWi1Lbi4eTMlwDCnu/q/IF+l4xjwKX9H:JvGWwbnWJ/gIF+lmL

Malware Config

Extracted

Path

C:\Users\86daf-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion 86daf. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/F65261108B8B72D0 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.top/F65261108B8B72D0 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: EaeeIe+9Qgw3kkDrvk7w3XMIaMLYnGmuCVto09SY60ESov4bdQ3XGRVIIhaValrf a2RYErvXzcuW1EjxfK+k0S/I4JwLEPX+OL4gtxH8C10SXmgAuNWcbati/F6es7eG HDVog1nUhDIINqtsZ7vr/JrQvK4jpPoRQntMbg3I04a/s3+qaat6/MhRjQO9CpnE HuT0gfWc1lKv32x/IPqwDGyI58TTZ0fAzH+cjxE555Rb3gVT/vHe83kSd36G5hQ2 RoI4QfdDJLwb+1R/sNLUZ5lR+/qs3bsah+uoSwbBaN868uYijWiUxWuru27QQ+zQ 5pqen5NmQyOKuI6R71bMAR6ecQwwP2ngwMmCaqVhyqzbB93Ue+qHG+TDC+mEXGiM 2qVh8FQMulWcHM4lIa8VjPPJI5OXBPgCIM6MeDh+oZF7sR8Jfn2ujOKQQatRQUWX aiz/FaoUrY9ukr0wzl9tSBO6xED9F07Y2O1b7MHNf/ANmwqs8VR5vvEvBJmLy83y EeZuNfoKamjGZCbctjHXCgjk+BMsHytOOnPR0H2bBXKTi89QYXO1zslE/qM6nz5l 5KNsmC2dhr8Rrj8KOFoGngncnIhwQO0WYmLqg6ofm39ymKSq35aVSIhWKyxpf/iq 866iEVqRfILryZQXe4iXvaO8GkWfToxXZanbcm4i+sSTgDXO0IV643b9DjogG8+U g6DdECIRqPSWPI/f8WYN24j4D+P51E9ueQ9NS5/7bXbRnaC2+haGbxev8FPnIWr9 UU/GhdJKWQhQ3uvUPOKEdVWcXA2JmQqbQffjw5SMuDj3ZGXLj9G+vMUnRgO6kFsp HxEERq/IAeUcK1TBjOU0FlrISlig7dbD8SqWDQWeQeMB17sZj6Mkv2kpgQq8Fvsv vnxMm7iVyOwsclMZJruNwucZnhIIkYJ6tOg7cMBuqXIOjYplflsgM8mJGqZBoG7i EJ06FrdxMNlPiHmXWpYCeVDQmZobuWkQVWnB6nk2Jsz7uGXZ1+p3As4yapxJ1F5X hLjNSmO5qaU0Dcom447cpGnUeO855aUuRKYEtUg0InMPkDS3KaKVFwAapsHWp1wj qUd/xst+XGro0J4ZEAxBlvut7zXwmYEolRsU6XlyIzXJ8xaXOkOmMXdnEFhekQu+ Tw79bVwrXv/mlyCiWMbzuQLvIV2bs7yvesyTwdAcbfk01gEq930LpFBstml481Lg 90qVgvabmts= Extension name: 86daf ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/F65261108B8B72D0

http://decryptor.top/F65261108B8B72D0

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 46 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.3fdad99a17a6766fe396081f82394f5e2da0142651427da64a5b6e28c9df2fd4.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.3fdad99a17a6766fe396081f82394f5e2da0142651427da64a5b6e28c9df2fd4.exe"
    1⤵
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:2328
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2260

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\86daf-readme.txt
    Filesize

    6KB

    MD5

    82ac74317415dfb2f1987e9912dcb503

    SHA1

    72af33bebcd13c3d8beb13adc77ff4560db49c46

    SHA256

    907015801480c68fc268e60a4bf52d6a2c4b0bda4312dcc0baec929f21432d25

    SHA512

    152051723ef87dcf4608cd653e32ec3af59f34f78171912d248ca325e166646f2c91d8d95b7db0ec515cd4d6f35ea219400d59446818819512e640ca1ba3624c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    d5f8a5e438461cba2d34e8ee57752d9c

    SHA1

    64480bcbb64e20c48a9a2d993f7c76bf3d7ca8a0

    SHA256

    149b194200507522e946c4f7c78cd793bae996550b48153745a56a442415ef26

    SHA512

    ba2ceafd6bb919747fa00f608d5fe48d6968929386ad20d726ffadd4f2ba64ff92dc4fcd1a860e95be2545ccc629a1e1d1198f1bdb126ac6394d30ecbfa723a7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    1c5cc1a683ef6c551f5389fc39605c39

    SHA1

    7e23c59e24928e753132844ee6fb4d4fdf958bbe

    SHA256

    2b2ab4302309c2deaad6ddd379e389c347d3239a4e1f6df8bfe11c7f489df134

    SHA512

    8a46401cb962845eeba958e1cf0fe3c073e6b918294e04ecc10398518f262e538a64da2a708d93356e904c11739afbe96d8a2502941b75f2efd726114ac7116d

  • C:\Users\Admin\AppData\Local\Temp\Cab55C0.tmp
    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar744B.tmp
    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf