Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2024 18:56

General

  • Target

    183c36ee3ad752f285926be4964605bc382369baea99bb528a14f34f24fd1a0f.exe

  • Size

    4.2MB

  • MD5

    ea139ce157017edaa2f1e02a542511f1

  • SHA1

    232813abc1d12b97993d003856576888aa726fbd

  • SHA256

    183c36ee3ad752f285926be4964605bc382369baea99bb528a14f34f24fd1a0f

  • SHA512

    6dbd95b8408ba2bb6912c4317b9604ccb887891ba14506588df7756a6b1ca6337c22c3edbcadaec0b4fdc50e5c55c682d6f6182535082e8cc608899602bea8bf

  • SSDEEP

    98304:EK7gDjHWlGX0IteolSDXduV/CybcRj80N/sXDx30D+1cNJt/b6Bl9k3:EK7gHlEAtl8Xchbc91m3W1/aLm

Malware Config

Extracted

Family

cryptbot

C2

bbu01.pro

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\183c36ee3ad752f285926be4964605bc382369baea99bb528a14f34f24fd1a0f.exe
    "C:\Users\Admin\AppData\Local\Temp\183c36ee3ad752f285926be4964605bc382369baea99bb528a14f34f24fd1a0f.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Program Files (x86)\Hop\Set.exe
      "C:\Program Files (x86)\Hop\Set.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks computer location settings
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:952
    • C:\Program Files (x86)\Hop\Setup.exe
      "C:\Program Files (x86)\Hop\Setup.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:3104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Hop\Set.exe

    Filesize

    2.0MB

    MD5

    57a124f28215ba2dfbe7b8d264b0741b

    SHA1

    285f1f0ede5561caba18c6d5f6b95efd7f652293

    SHA256

    683f4c758e2b8cfc95d9df625c17ece1d9c3fe4ab4fb33e8924d0bc8618eb6b7

    SHA512

    9f45535df4e00acb612f3d15be1d4082e1027d3cdb39a9547a2d8e8c86d2e8950a0285512eacbbd6ce73608ab3f28edbf0c90059a83497d3f392e457435a3557

  • C:\Program Files (x86)\Hop\Setup.exe

    Filesize

    2.2MB

    MD5

    f15df54a6784030231c5ac44bd99c487

    SHA1

    ab3e392fc7ac8503ac6013fbe1981f21274ce0c4

    SHA256

    0eb59683e2dfd231d3a0a4bdf17d9a2c6871e29f99dcef2bef80dcd3006edd86

    SHA512

    1be6149eb8a0c9a94ae1d92a97256b388f982a9c1021d3c3ec049b6354a5d3c253af2dbb9517ef3c9f1b9600ed18a2f59a6d6b3ab5a94b110dd7d719d48c4321

  • C:\ProgramData\1QbTsGKC\Files\_Info.txt

    Filesize

    1KB

    MD5

    0e6b2966a02bc68b6e3f2b579e3c5af6

    SHA1

    68022d1ea14e0afd3eaabe07f7f9be640d97bd10

    SHA256

    cb99e475de78bb4d53fa855e5047cb1860863d8c18cef83e85478cc0d3b762f5

    SHA512

    a9bf443a5be7585d05b08e8e913ebe4d1b211eb189ce07811283133e03e70e2cd0799ed54ca44f1b919f0becae8882bbfc117702f96966dd0cb6686410c0211b

  • C:\ProgramData\1QbTsGKC\Files\_Info.txt

    Filesize

    4KB

    MD5

    484b3c381756074fd7c9650ea39f67d6

    SHA1

    14a22fdf8f135c3a691b792616815c4af9cde881

    SHA256

    4986eb6d105f8dd88876d9ad86772285a68e325e5aa8075f6324d6d2cf3738f0

    SHA512

    9f25747772cd6e3c14beb95f77bbe75868e24aed6a91f03b50c36989f81e3960234f8e7ee863201e0ecc0f684a439600ce7bf6d5f2ab62f478997834fb523a77

  • C:\ProgramData\1QbTsGKC\xcxZ6QhRsBmGUJy.zip

    Filesize

    507KB

    MD5

    be2b4d8018915b5f1a966a609b9c5c7c

    SHA1

    5df43b217d76d0117703437e5a7ff47999b4c5be

    SHA256

    8941f0bc4c43e9fe881dd6229f6b525e93b80c77bf2a5488be25ee8486863e84

    SHA512

    b13f9832cff7f9311d3684db66d457342e7e072c7388488cb939ea70e336f273c3a6fbb2f19adb2a3abafeef96a2c309d1d76e3b6676846a5d5965f16fbbb371

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\line[1].txt

    Filesize

    148B

    MD5

    c672c5ffd1a94b729484cc279d2a8a93

    SHA1

    3e3ce8ad41d3ffe36d461a21ded8fead5d11e88b

    SHA256

    087e2c68049f6d81393d62c9fbca232111ec9e0411f5cc9ab1e718475581eaea

    SHA512

    969821c1ea8ae7b400e0e603326a3eb76ad22c21572a12b34e50f97f174f53456e937872c1a5980f7401d702c56c00ec0c5fa4d9cdc38b7d2c6200037f12aae3

  • C:\Users\Admin\AppData\Local\Temp\nsz9D6A.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

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

    Filesize

    15KB

    MD5

    b1ad7eb365618775fb6b5b6674a47ed4

    SHA1

    0ccb020bc70c4b69029998596fd201869b7964df

    SHA256

    2883989c626b906f8b20e2562e6c470ee852d589cb02d43474a3f0fbd33cd68c

    SHA512

    a72f97add6cd8ee16c205a4d393c9de7b32cf012a9d5ddbc91a21867ad690151d290cfd682dd1dabc41e76544eb75ef8225bd8e2368c0a6911607d74ea1039a2

  • memory/952-47-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-13-0x0000000076FE4000-0x0000000076FE6000-memory.dmp

    Filesize

    8KB

  • memory/952-24-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-17-0x0000000009E70000-0x0000000009E71000-memory.dmp

    Filesize

    4KB

  • memory/952-25-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-26-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-16-0x0000000009EB0000-0x0000000009EB1000-memory.dmp

    Filesize

    4KB

  • memory/952-27-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-15-0x0000000009E00000-0x0000000009E01000-memory.dmp

    Filesize

    4KB

  • memory/952-14-0x0000000009E80000-0x0000000009E81000-memory.dmp

    Filesize

    4KB

  • memory/952-28-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-29-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-30-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-31-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-32-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-33-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-34-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-35-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-43-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-44-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-45-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-46-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-19-0x0000000009E60000-0x0000000009E61000-memory.dmp

    Filesize

    4KB

  • memory/952-48-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-23-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-60-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-20-0x0000000009FD0000-0x0000000009FD1000-memory.dmp

    Filesize

    4KB

  • memory/952-12-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/952-18-0x0000000009E90000-0x0000000009E91000-memory.dmp

    Filesize

    4KB

  • memory/952-21-0x0000000000401000-0x000000000045D000-memory.dmp

    Filesize

    368KB

  • memory/952-22-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/3104-220-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-81-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-222-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-67-0x0000000005270000-0x0000000005271000-memory.dmp

    Filesize

    4KB

  • memory/3104-66-0x00000000052D0000-0x00000000052D1000-memory.dmp

    Filesize

    4KB

  • memory/3104-65-0x00000000052B0000-0x00000000052B1000-memory.dmp

    Filesize

    4KB

  • memory/3104-85-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-68-0x0000000005290000-0x0000000005291000-memory.dmp

    Filesize

    4KB

  • memory/3104-223-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-70-0x0000000000471000-0x00000000004D0000-memory.dmp

    Filesize

    380KB

  • memory/3104-244-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-82-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-69-0x00000000052C0000-0x00000000052C1000-memory.dmp

    Filesize

    4KB

  • memory/3104-224-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-225-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-63-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-228-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-231-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-234-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-237-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-240-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB

  • memory/3104-78-0x0000000000470000-0x00000000009B9000-memory.dmp

    Filesize

    5.3MB