Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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.

  • 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 7 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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of WriteProcessMemory 14 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:2344
    • 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
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:1216
    • 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
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:2160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Oc6jYD2F\47283761.txt

    Filesize

    148B

    MD5

    c672c5ffd1a94b729484cc279d2a8a93

    SHA1

    3e3ce8ad41d3ffe36d461a21ded8fead5d11e88b

    SHA256

    087e2c68049f6d81393d62c9fbca232111ec9e0411f5cc9ab1e718475581eaea

    SHA512

    969821c1ea8ae7b400e0e603326a3eb76ad22c21572a12b34e50f97f174f53456e937872c1a5980f7401d702c56c00ec0c5fa4d9cdc38b7d2c6200037f12aae3

  • C:\ProgramData\Oc6jYD2F\EaIbmKVX4L.zip

    Filesize

    45KB

    MD5

    35e92b5dc3ea7fed083d0eb4fff7fe6a

    SHA1

    7d88788a972ceec83f53911458b90dd4dbb66943

    SHA256

    eccb537b03004ee5bde491778a39ae9b5d2f88e436fd69fd327fb6d8ffdc4426

    SHA512

    86629e596186a3b8fb0552561c5dfc1fc1f04048403c78f3396650f81096aac90bc1c1e6e2a93c28333ec3fc52a2b57ebac79916fdb4c73a5b4110b0425ab3cb

  • C:\Users\Admin\AppData\Local\Temp\Cab1B21.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar1D17.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Program Files (x86)\Hop\Set.exe

    Filesize

    2.0MB

    MD5

    57a124f28215ba2dfbe7b8d264b0741b

    SHA1

    285f1f0ede5561caba18c6d5f6b95efd7f652293

    SHA256

    683f4c758e2b8cfc95d9df625c17ece1d9c3fe4ab4fb33e8924d0bc8618eb6b7

    SHA512

    9f45535df4e00acb612f3d15be1d4082e1027d3cdb39a9547a2d8e8c86d2e8950a0285512eacbbd6ce73608ab3f28edbf0c90059a83497d3f392e457435a3557

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

    Filesize

    2.2MB

    MD5

    f15df54a6784030231c5ac44bd99c487

    SHA1

    ab3e392fc7ac8503ac6013fbe1981f21274ce0c4

    SHA256

    0eb59683e2dfd231d3a0a4bdf17d9a2c6871e29f99dcef2bef80dcd3006edd86

    SHA512

    1be6149eb8a0c9a94ae1d92a97256b388f982a9c1021d3c3ec049b6354a5d3c253af2dbb9517ef3c9f1b9600ed18a2f59a6d6b3ab5a94b110dd7d719d48c4321

  • \Users\Admin\AppData\Local\Temp\nsp8190.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • memory/1216-82-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-22-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-24-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-25-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-26-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-27-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-28-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-23-0x0000000001240000-0x0000000001760000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-21-0x0000000000401000-0x000000000045D000-memory.dmp

    Filesize

    368KB

  • memory/1216-79-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-81-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-20-0x0000000077460000-0x0000000077462000-memory.dmp

    Filesize

    8KB

  • memory/1216-83-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-87-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-19-0x0000000000400000-0x0000000000920000-memory.dmp

    Filesize

    5.1MB

  • memory/1216-18-0x0000000001240000-0x0000000001760000-memory.dmp

    Filesize

    5.1MB

  • memory/2160-136-0x00000000011D0000-0x0000000001719000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-138-0x0000000000C80000-0x00000000011C9000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-149-0x0000000000C80000-0x00000000011C9000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-132-0x0000000000C80000-0x00000000011C9000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-133-0x00000000011D0000-0x0000000001719000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-134-0x0000000000C80000-0x00000000011C9000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-96-0x00000000011D0000-0x0000000001719000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-97-0x00000000011D0000-0x0000000001719000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-147-0x0000000000C80000-0x00000000011C9000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-140-0x0000000000C80000-0x00000000011C9000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-143-0x0000000000C80000-0x00000000011C9000-memory.dmp

    Filesize

    5.3MB

  • memory/2160-145-0x0000000000C80000-0x00000000011C9000-memory.dmp

    Filesize

    5.3MB

  • memory/2344-90-0x0000000002830000-0x0000000002D79000-memory.dmp

    Filesize

    5.3MB

  • memory/2344-17-0x0000000002830000-0x0000000002D50000-memory.dmp

    Filesize

    5.1MB