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Analysis

  • max time kernel
    74s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2024, 13:47 UTC

General

  • Target

    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe

  • Size

    4.3MB

  • MD5

    5fcf1c70847c8d629264384d6d6c8acf

  • SHA1

    d9edad7806c30dd9b980d4705a0891339621cf7a

  • SHA256

    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73

  • SHA512

    5f317afdee88fadd924f2f3f3eb95226a627ccf8061357fe0a3fb7e2d8ace5da2bf5fc383038c2b191eea94a804e36611bcc2226b565955fa6e3d6f8510f4175

  • SSDEEP

    98304:V+7uR57NzRP1qxQ/EprGbbEV70UA6Wmu+aUzh1Zxs:A7QLlP1eQ+rGE70UN6WW

Malware Config

Extracted

Family

cryptbot

Signatures

  • CryptBot

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

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    "C:\Users\Admin\AppData\Local\Temp\e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2116

Network

  • flag-us
    DNS
    httpbin.org
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    8.8.8.8:53
    Request
    httpbin.org
    IN A
    Response
  • flag-us
    DNS
    httpbin.org
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    8.8.8.8:53
    Request
    httpbin.org
    IN AAAA
    Response
    httpbin.org
    IN A
    98.85.100.80
    httpbin.org
    IN A
    34.226.108.155
  • flag-us
    DNS
    home.fivetk5sb.top
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    8.8.8.8:53
    Request
    home.fivetk5sb.top
    IN A
    Response
    home.fivetk5sb.top
    IN A
    185.121.15.192
  • flag-us
    DNS
    home.fivetk5sb.top
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    8.8.8.8:53
    Request
    home.fivetk5sb.top
    IN AAAA
    Response
  • flag-gb
    POST
    http://home.fivetk5sb.top/niCGMfnfOxUBXxpLhBBB1734796753
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    185.121.15.192:80
    Request
    POST /niCGMfnfOxUBXxpLhBBB1734796753 HTTP/1.1
    Host: home.fivetk5sb.top
    Accept: */*
    Content-Type: application/json
    Content-Length: 384625
    Response
    HTTP/1.1 200 OK
    Server: nginx/1.22.1
    Date: Wed, 25 Dec 2024 13:48:19 GMT
    Content-Type: text/html; charset=utf-8
    Content-Length: 1
    Connection: close
  • flag-us
    DNS
    home.fivetk5sb.top
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    8.8.8.8:53
    Request
    home.fivetk5sb.top
    IN A
    Response
    home.fivetk5sb.top
    IN A
    185.121.15.192
  • flag-us
    DNS
    home.fivetk5sb.top
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    8.8.8.8:53
    Request
    home.fivetk5sb.top
    IN AAAA
    Response
  • flag-gb
    GET
    http://home.fivetk5sb.top/niCGMfnfOxUBXxpLhBBB1734796753?argument=0
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    185.121.15.192:80
    Request
    GET /niCGMfnfOxUBXxpLhBBB1734796753?argument=0 HTTP/1.1
    Host: home.fivetk5sb.top
    Accept: */*
    Response
    HTTP/1.1 404 NOT FOUND
    Server: nginx/1.22.1
    Date: Wed, 25 Dec 2024 13:48:20 GMT
    Content-Type: text/html; charset=utf-8
    Content-Length: 207
    Connection: close
  • flag-us
    DNS
    home.fivetk5sb.top
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    8.8.8.8:53
    Request
    home.fivetk5sb.top
    IN A
    Response
    home.fivetk5sb.top
    IN A
    185.121.15.192
  • flag-us
    DNS
    home.fivetk5sb.top
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    8.8.8.8:53
    Request
    home.fivetk5sb.top
    IN AAAA
    Response
  • flag-gb
    POST
    http://home.fivetk5sb.top/niCGMfnfOxUBXxpLhBBB1734796753
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    Remote address:
    185.121.15.192:80
    Request
    POST /niCGMfnfOxUBXxpLhBBB1734796753 HTTP/1.1
    Host: home.fivetk5sb.top
    Accept: */*
    Content-Type: application/json
    Content-Length: 31
    Response
    HTTP/1.1 404 NOT FOUND
    Server: nginx/1.22.1
    Date: Wed, 25 Dec 2024 13:48:21 GMT
    Content-Type: text/html; charset=utf-8
    Content-Length: 207
    Connection: close
  • 98.85.100.80:443
    httpbin.org
    tls
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    1.5kB
    6.4kB
    14
    15
  • 185.121.15.192:80
    http://home.fivetk5sb.top/niCGMfnfOxUBXxpLhBBB1734796753
    http
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    396.4kB
    10.9kB
    291
    268

    HTTP Request

    POST http://home.fivetk5sb.top/niCGMfnfOxUBXxpLhBBB1734796753

    HTTP Response

    200
  • 185.121.15.192:80
    http://home.fivetk5sb.top/niCGMfnfOxUBXxpLhBBB1734796753?argument=0
    http
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    328 B
    544 B
    5
    4

    HTTP Request

    GET http://home.fivetk5sb.top/niCGMfnfOxUBXxpLhBBB1734796753?argument=0

    HTTP Response

    404
  • 185.121.15.192:80
    http://home.fivetk5sb.top/niCGMfnfOxUBXxpLhBBB1734796753
    http
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    401 B
    544 B
    5
    4

    HTTP Request

    POST http://home.fivetk5sb.top/niCGMfnfOxUBXxpLhBBB1734796753

    HTTP Response

    404
  • 8.8.8.8:53
    httpbin.org
    dns
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    160 B
    250 B
    2
    2

    DNS Request

    httpbin.org

    DNS Request

    httpbin.org

    DNS Response

    98.85.100.80
    34.226.108.155

  • 8.8.8.8:53
    home.fivetk5sb.top
    dns
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    174 B
    226 B
    2
    2

    DNS Request

    home.fivetk5sb.top

    DNS Request

    home.fivetk5sb.top

    DNS Response

    185.121.15.192

  • 8.8.8.8:53
    home.fivetk5sb.top
    dns
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    174 B
    226 B
    2
    2

    DNS Request

    home.fivetk5sb.top

    DNS Request

    home.fivetk5sb.top

    DNS Response

    185.121.15.192

  • 8.8.8.8:53
    home.fivetk5sb.top
    dns
    e78ed16dc1488e89f074a3b7f92683910d50f3849c7e94531b13cccf5eface73_Sigmanly.exe
    174 B
    226 B
    2
    2

    DNS Request

    home.fivetk5sb.top

    DNS Request

    home.fivetk5sb.top

    DNS Response

    185.121.15.192

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2116-0-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-1-0x0000000077DD0000-0x0000000077DD2000-memory.dmp

    Filesize

    8KB

  • memory/2116-2-0x0000000000CF1000-0x0000000000F7B000-memory.dmp

    Filesize

    2.5MB

  • memory/2116-3-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-4-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-5-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-6-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-7-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-8-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-9-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-10-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-11-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-12-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-13-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-14-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-15-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

  • memory/2116-17-0x0000000000CF0000-0x0000000001964000-memory.dmp

    Filesize

    12.5MB

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