Analysis

  • max time kernel
    44s
  • max time network
    83s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 00:19

General

  • Target

    30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe

  • Size

    4.3MB

  • MD5

    8224815c8c0c61c69ea1a557609164cc

  • SHA1

    8713e77ff6b3734189fc79ce347596ef73f1e0e9

  • SHA256

    30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f

  • SHA512

    8b657df0edc65fcc86f3d70a7231c9f91485ec10eb36a7979a0deda301da36fdfbc1322931d86db0f8a57afe64e361a036b26cdaf72162de5f25e23c7a7ac757

Malware Config

Signatures

  • Enumerates VirtualBox registry keys 2 TTPs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Executes dropped EXE 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 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.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe
    "C:\Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Modifies system certificate store
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe
      "C:\Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe" /test
      2⤵
      • Executes dropped EXE
      PID:1108
    • C:\Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe
      "C:\Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe" /restart /util
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\Чистилка\settings.json
    Filesize

    638B

    MD5

    7b1f4611fde318efe702102a65a7cf37

    SHA1

    3b6b25f7858135a903f06e4236d4d288179c32b8

    SHA256

    0fee7a989e4db82caa219cc5663e97678e1162267a7a170002755390716068f2

    SHA512

    d4e66fe6fb5265452ec3f66e36461c1707808881a6371a9caf6a074f0a17f3af3e89bb66db2ebc16fa9361d569afef6d3cf9287914728a86e7bc8800fad9fbbc

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

    60KB

    MD5

    308336e7f515478969b24c13ded11ede

    SHA1

    8fb0cf42b77dbbef224a1e5fc38abc2486320775

    SHA256

    889b832323726a9f10ad03f85562048fdcfe20c9ff6f9d37412cf477b4e92ff9

    SHA512

    61ad97228cd6c3909ef3ac5e4940199971f293bdd0d5eb7916e60469573a44b6287c0fa1e0b6c1389df35eb6c9a7d2a61fdb318d4a886a3821ef5a9dab3ac24f

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

    342B

    MD5

    8ae8f4b5a8a2b10f24a270f9519ed450

    SHA1

    0e7e9a2b371b5c08a6cce92db9e1452def4eb331

    SHA256

    9af62fdf1372d1bef3679639567734ef7ab6d196adfac0b366f964a683143b4a

    SHA512

    db88b3aa978899f8e3a0ff0aca1bfdbcd9450390232cb144b74cf3ce4ae16ca7dbe59b0e73a0be81fc66cb625d612927e90178397253381151809a12d360e855

  • C:\Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe
    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

  • C:\Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe
    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

  • C:\Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe
    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

  • C:\Users\Admin\AppData\Local\Temp\cln24AC.tmp
    Filesize

    49KB

    MD5

    abee4387ab69da821ed9397cc651597d

    SHA1

    5d14f4afdbe15448bf884b528ffffab874f920a7

    SHA256

    ac1dfd38d2fa61e28211e196cd3d754f6ccfb220e8c1beba52e54825cf615e22

    SHA512

    e014294cb60b66bd259f4a6ce262fc9eca30a30e7674dae178dbac6132ba464120e5d1076ee81c1210a2f42f819d94373733172cef9fda77c9effb4eed53a904

  • C:\WINDOWS\FONTS\PNS.TTF
    Filesize

    127KB

    MD5

    df8c626474a73ab7a8b511655597c7c4

    SHA1

    5de28f387ea88553d195d1978286d43c33231969

    SHA256

    723091ba5a1b8e65164075516d69c00c71225c6dde61ffc32dd4047803ab42b5

    SHA512

    c8f7d1577cb70610c40b96c835faca6b916c4924b5061351c8a67287567556b2014efb7c73cdcc4fb6533829541cd0264b8a9e428d3c572e29c06b0d96633d59

  • \Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe
    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

  • \Users\Admin\AppData\Local\Temp\30b08b811058c44c8e892dd894cbe6ecbd660cb233b84732c7e3742ef770ab7f.exe
    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

  • memory/1108-56-0x0000000000000000-mapping.dmp
  • memory/1504-54-0x0000000076561000-0x0000000076563000-memory.dmp
    Filesize

    8KB

  • memory/1688-60-0x0000000000000000-mapping.dmp