General

  • Target
    arkasm-win64-beta.zip
  • Size 14.4MB
  • Sample260706-mayn4adv5v
  • SHA256 d0326fe0338948001b214ea90c077fb1fe7e3d1b1f9a61a59517897b63efcb5c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Arkasm.dll
    • Size 13.0MB
    • SHA256 ce637e40c97a020a355d5b5a2577c90ea655dd9344f395808cb40ac247affb56
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Arkasm.exe
    • Size 335KB
    • SHA256 49dff10e1ee0e5baf734d2333aec826854e7eed0174200a40524fb1fdc39d495
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      Discord.Net.Commands.dll
    • Size 134KB
    • SHA256 2e2564acdb1ebffc5c4e5aa829c2e38d7e680ce884991b640793bb923b73cc48
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Discord.Net.Core.dll
    • Size 899KB
    • SHA256 562ea915901f212c133f5cdc5153f00fc221564064cbecb02934450bad77004c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      Discord.Net.Interactions.dll
    • Size 234KB
    • SHA256 ccb837985fe7e0c6c55578a5e51692fc0acce80829961a4e02cf4c5f16ddb56d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Discord.Net.Rest.dll
    • Size 1.4MB
    • SHA256 da0e80e2a626acc8ef5da93e97593247d74776d6f6731d7bebfefd8825d46d86
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Discord.Net.WebSocket.dll
    • Size 917KB
    • SHA256 477dfad5b54c07551b4ef1f472933ab42fe0f4824d71ec5edc5dc86137f364a1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Discord.Net.Webhook.dll
    • Size 31KB
    • SHA256 0a6fda2521102afcbd1313f4bb176e485b17d65494983bd79177a29de3fc6a5d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Microsoft.Bcl.AsyncInterfaces.dll
    • Size 15KB
    • SHA256 5705d245072d3eb78400547b32147dbb6e2c8b02ba8bda76729798f5efdeaecb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Microsoft.Extensions.DependencyInjection.Abstractions.dll
    • Size 62KB
    • SHA256 a0106a638facae621f870eda720cb6c980c1d5d49c2f4351134e3fe043b9291b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Microsoft.Extensions.Primitives.dll
    • Size 38KB
    • SHA256 5cd1d5c39b226ab4cc310d34f4f750803eccad0d22aa727dd9c24e592484d6fb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      Microsoft.Win32.TaskScheduler.dll
    • Size 327KB
    • SHA256 64e766bc4a5797079402a55cdf54b30d5d4a22f0dd849e83db3fe53d7b6feefc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Newtonsoft.Json.dll
    • Size 706KB
    • SHA256 a28c251dfe36d881e9e2462e171441b8b0ec156fe3f452602c9149b1b9efe05b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Semver.dll
    • Size 71KB
    • SHA256 a99edcb96efce3d6ff019c667e132d81d879f5a92bc9337591e0b7309d7f493f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      SteamCMD.ConPTY.dll
    • Size 31KB
    • SHA256 4e1567d3a1f4db6c03cea8390226447f68d7644812a87fa6eb88ddbe72458622
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      System.CodeDom.dll
    • Size 179KB
    • SHA256 ec5040b3470b1b50f94ce821d7a496fe664c461026ee3db27170f05088873913
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

Score
1/10

behavioral2

Score
1/10

behavioral3

Score
7/10

behavioral4

adwarepersistenceransomwarespyware
Score
8/10

behavioral5

Score
1/10

behavioral6

Score
1/10

behavioral7

Score
1/10

behavioral8

adwarepersistenceransomwarespyware
Score
8/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

Score
1/10

behavioral22

adwarepersistenceransomwarespyware
Score
6/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

Score
1/10

behavioral32

adwarepersistenceransomwarespyware
Score
6/10