Overview

overview

10

Static

static

10

virussign....b0.exe

windows7-x64

10

virussign....b0.exe

windows10-2004-x64

10

virussign....60.exe

windows7-x64

7

virussign....60.exe

windows10-2004-x64

7

virussign....40.exe

windows7-x64

7

virussign....40.exe

windows10-2004-x64

7

virussign....e0.exe

windows7-x64

7

virussign....e0.exe

windows10-2004-x64

7

virussign....00.exe

windows7-x64

10

virussign....00.exe

windows10-2004-x64

10

virussign....90.exe

windows7-x64

7

virussign....90.exe

windows10-2004-x64

7

virussign....40.exe

windows7-x64

7

virussign....40.exe

windows10-2004-x64

7

virussign....10.exe

windows7-x64

5

virussign....10.exe

windows10-2004-x64

5

virussign....60.exe

windows7-x64

7

virussign....60.exe

windows10-2004-x64

7

virussign....c0.exe

windows7-x64

10

virussign....c0.exe

windows10-2004-x64

10

virussign....d0.exe

windows7-x64

7

virussign....d0.exe

windows10-2004-x64

7

virussign....b0.exe

windows7-x64

10

virussign....b0.exe

windows10-2004-x64

10

virussign....10.exe

windows7-x64

7

virussign....10.exe

windows10-2004-x64

7

virussign....e0.exe

windows7-x64

7

virussign....e0.exe

windows10-2004-x64

7

virussign....20.exe

windows7-x64

7

virussign....20.exe

windows10-2004-x64

7

virussign....c0.exe

windows7-x64

7

virussign....c0.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2024, 17:08 UTC

Sharing

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Report Analysis Logs

General

  • Target

    virussign.com_ca6b0e41f6273b8c6a022729b7a7efd0.exe

  • Size

    54KB

  • MD5

    ca6b0e41f6273b8c6a022729b7a7efd0

  • SHA1

    5e0d21098a203223ee7572808364085cba6bcd5d

  • SHA256

    993b235bdbbc30ac6f56f1f38c8193d9bf510dbb2f35379dea5f02dae33908ce

  • SHA512

    2b04e49c6ef1fd2e206a660b285abf953c4675aaaccf7a1d972063cb88eb40eff30484efc9d57ca73e91b5ee04c29d9a1c7549bb7d061f7861005c53ff3c2dca

  • SSDEEP

    1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIN:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVb

Score
7/10
discoverypersistence

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\virussign.com_ca6b0e41f6273b8c6a022729b7a7efd0.exe
    "C:\Users\Admin\AppData\Local\Temp\virussign.com_ca6b0e41f6273b8c6a022729b7a7efd0.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2276

Network

  • flag-us
    DNS
    209.205.72.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    209.205.72.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    88.210.23.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    88.210.23.2.in-addr.arpa
    IN PTR
    Response
    88.210.23.2.in-addr.arpa
    IN PTR
    a2-23-210-88deploystaticakamaitechnologiescom
  • flag-us
    DNS
    73.159.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    73.159.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    28.118.140.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    28.118.140.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    56.163.245.4.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    56.163.245.4.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    0.205.248.87.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    0.205.248.87.in-addr.arpa
    IN PTR
    Response
    0.205.248.87.in-addr.arpa
    IN PTR
    https-87-248-205-0lgwllnwnet
  • flag-us
    DNS
    19.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    19.229.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    19.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    19.229.111.52.in-addr.arpa
    IN PTR
  • flag-us
    DNS
    83.210.23.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    83.210.23.2.in-addr.arpa
    IN PTR
    Response
    83.210.23.2.in-addr.arpa
    IN PTR
    a2-23-210-83deploystaticakamaitechnologiescom
No results found
  • 8.8.8.8:53
    209.205.72.20.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    209.205.72.20.in-addr.arpa

  • 8.8.8.8:53
    88.210.23.2.in-addr.arpa
    dns
    70 B
     133 B
     1
    1

    DNS Request

    88.210.23.2.in-addr.arpa

  • 8.8.8.8:53
    73.159.190.20.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    73.159.190.20.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
     144 B
     1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    28.118.140.52.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    28.118.140.52.in-addr.arpa

  • 8.8.8.8:53
    56.163.245.4.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    56.163.245.4.in-addr.arpa

  • 8.8.8.8:53
    198.187.3.20.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    198.187.3.20.in-addr.arpa

  • 8.8.8.8:53
    0.205.248.87.in-addr.arpa
    dns
    71 B
     116 B
     1
    1

    DNS Request

    0.205.248.87.in-addr.arpa

  • 8.8.8.8:53
    19.229.111.52.in-addr.arpa
    dns
    144 B
     158 B
     2
    1

    DNS Request

    19.229.111.52.in-addr.arpa

    DNS Request

    19.229.111.52.in-addr.arpa

  • 8.8.8.8:53
    83.210.23.2.in-addr.arpa
    dns
    70 B
     133 B
     1
    1

    DNS Request

    83.210.23.2.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe
    Filesize

    54KB

    MD5

    e900b40305e21f8bedf310a0438a416b

    SHA1

    8babde992e32bc6c40e7f317929ae6e7854b2745

    SHA256

    a186e14b0fe964400275fcecf80ccca289a885e8ffd8159a684c4872da257b1d

    SHA512

    1c4823c83a52e398e42fb37fb4f5a4d61c200eeedbf4472357b66271491401c3c0258226f94cb043e18615f1957916aea61bfe2855d8b80f49985f5af1082215

    Download Submit

  • memory/2276-6-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2592-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2592-4-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

    Download

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