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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 19:18

General

  • Target

    UniversalRecoilV2.exe

  • Size

    6.7MB

  • MD5

    d8e739ca8627a709dbd025c95eec3c09

  • SHA1

    cb0d1baefa7b97e355e16b1bbfa418334c579e80

  • SHA256

    6d97acf787fc0571e81d0c82c301f91005523246319a2b17eb9db765e754ad89

  • SHA512

    85bbb0e0c2059d9a141edf49102d43aef55ffab458f52f7bb755bd434499629a936fa39c3ec8d60e289232ab4abe2cdf1ffd55b59d914e18d62a2114a5006ebf

  • SSDEEP

    196608:6aLfVOixPlm+6Q9JqjodWfeNSkfoIKtAINPsbET9iorQ:NLXlm+6vjLGybNEbET9Z

Malware Config

Extracted

Family

stealc

Botnet

game

C2

http://193.233.112.44

Attributes
  • url_path

    /383ccd496f3c5eee.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies registry class 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\UniversalRecoilV2.exe
    "C:\Users\Admin\AppData\Local\Temp\UniversalRecoilV2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Users\Admin\AppData\Roaming\gWsmPty.exe
      "C:\Users\Admin\AppData\Roaming\gWsmPty.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2412
    • C:\Users\Admin\AppData\Roaming\VC_redistx64.exe
      "C:\Users\Admin\AppData\Roaming\VC_redistx64.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:348
    • C:\Users\Admin\AppData\Roaming\UniversalRecoilV2.exe
      "C:\Users\Admin\AppData\Roaming\UniversalRecoilV2.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

    Filesize

    2KB

    MD5

    c7fe02ffdd5f7f12c528a4323390d5ab

    SHA1

    80d5f6bb6b4cdcfc1c06c09c3e78a9d186272275

    SHA256

    6a0137e0f7c36958744ec79adadcbea14eeb41c36cfc25ce6f3b96c67f7e2ed1

    SHA512

    80dd702a2d66542f1fc4099cfd222dd6b5b16c239956e24b11f5bfa9a329152cc95c04a38eedfef099861ff2b6956d1b97b8bb8904df27012e489beadf03ac54

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

    Filesize

    1KB

    MD5

    ede63194b54a4f2d8143fc1c742a2b0f

    SHA1

    09bc993f8641ce7d1111e84d6b8b38eb67c73a27

    SHA256

    d9c63dd8dbb996f7bbe85c9f1b73ec71b6f7355d76e3384d00a301ecead6b2bc

    SHA512

    95b1c48548d68ba227ee7eb65ddd9c55d16cadeebc3ff8cee903cd118cb3ea6af4cbc3a62583f2e766d2113d0780789d9c9e5ba821d15b8126c2ee716ed3d202

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

    Filesize

    450B

    MD5

    2b89303c1400888151687d2913bc0e63

    SHA1

    5e8b31d814c1334b9e6b1d462c5e69a5f129da17

    SHA256

    50d0ca2355e57501e788f05b4cec7acef975e550ccfca2a7cf75493b7653b401

    SHA512

    03a0d0b791dcd6b9f58c33de9c60165858856e714c6cd941fbb28ab75563a75ea78c97db49097df899560db05bbaa55e0734738544dcae853d3a6722f97296ef

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

    Filesize

    458B

    MD5

    90cda208891c6a56b303076c10c71d1a

    SHA1

    f09284b73a47db0cacaaecb7653707f2b0274ce9

    SHA256

    23cc0ba477edcc4344481d5ec59f9c268f0e0f57d7b6fdc42b12cfca59cba1b0

    SHA512

    dd592ee506e8e4309410a9005a21de876016236994f4109a602920d6ea100aadd8462a1e7233983e9f046064cbaad3f858b8e683b7c66536d3c862faee1ce935

  • C:\Users\Admin\AppData\Roaming\UniversalRecoilV2.exe

    Filesize

    3.2MB

    MD5

    acf8907ce64638007fb5514265812c67

    SHA1

    daa5404df21afc0cbfc126b9544fa68f3833e3f8

    SHA256

    9fe5fb74600e204a4739a0ed262f16ab6c7eb9f970f61d6315a8e5010f9bc3d4

    SHA512

    aa7478af047621b9f6d828356a20905f46a520cf364bc639ff0c21b5e9ae8eb29d5edcb2dd00c4dc327ca5348868d754c7068aff132d27d21e606e3ff821f9b6

  • C:\Users\Admin\AppData\Roaming\VC_redistx64.exe

    Filesize

    2.9MB

    MD5

    507acc8f3249adef7468989fee931211

    SHA1

    4d66286973a21e76b0e2c746bac00fa28d446ca9

    SHA256

    6abb77dce6d4af42005e673cb089b6d41e0ef0b88a6411f4d5dfd8e8b4858154

    SHA512

    2faee963523b401bf1e588c86bfeef899067456f22848d299525acde5d2ce28a66f769d741deea2e6b218b4e1b0c0f7f4cc08cfc1c2fd8eac5375b3c183b7ee3

  • C:\Users\Admin\AppData\Roaming\gWsmPty.exe

    Filesize

    322KB

    MD5

    c57f035e099bfe7f8d56917a22266dc9

    SHA1

    88a4ab3cef2b3d293b6d94b8d5b38298d1ec6d87

    SHA256

    d075bbba29912ff7a321ee5dcb32159b9de8e27e716a1aad9ed52bb9d9ccc4a3

    SHA512

    836f345be084eeaef97144faa845a697f3c40a5f643088ee355d71cbedac23506c4d53267220bfa467872e850faebbc5a3919fbeb5628534619d39fbcbf1e1e4

  • memory/348-55-0x0000000000400000-0x0000000000B78000-memory.dmp

    Filesize

    7.5MB

  • memory/348-35-0x0000000077EC4000-0x0000000077EC6000-memory.dmp

    Filesize

    8KB

  • memory/348-36-0x0000000000400000-0x0000000000B78000-memory.dmp

    Filesize

    7.5MB

  • memory/348-37-0x0000000000400000-0x0000000000B78000-memory.dmp

    Filesize

    7.5MB

  • memory/348-26-0x0000000000400000-0x0000000000B78000-memory.dmp

    Filesize

    7.5MB

  • memory/1004-101-0x00000000004F0000-0x0000000000842000-memory.dmp

    Filesize

    3.3MB

  • memory/1004-57-0x00000000004F0000-0x0000000000842000-memory.dmp

    Filesize

    3.3MB

  • memory/1864-4-0x000000001C030000-0x000000001C6C4000-memory.dmp

    Filesize

    6.6MB

  • memory/1864-3-0x00007FF969F00000-0x00007FF96A9C1000-memory.dmp

    Filesize

    10.8MB

  • memory/1864-5-0x00000000019B0000-0x00000000019B6000-memory.dmp

    Filesize

    24KB

  • memory/1864-0-0x00007FF969F03000-0x00007FF969F05000-memory.dmp

    Filesize

    8KB

  • memory/1864-38-0x00007FF969F00000-0x00007FF96A9C1000-memory.dmp

    Filesize

    10.8MB

  • memory/1864-2-0x00000000019A0000-0x00000000019A6000-memory.dmp

    Filesize

    24KB

  • memory/1864-1-0x0000000000B40000-0x00000000011FA000-memory.dmp

    Filesize

    6.7MB

  • memory/2412-14-0x0000000000CD0000-0x0000000000F33000-memory.dmp

    Filesize

    2.4MB

  • memory/2412-58-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2412-160-0x0000000000CD0000-0x0000000000F33000-memory.dmp

    Filesize

    2.4MB