Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2024 03:09

General

  • Target

    bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe

  • Size

    464KB

  • MD5

    52625f5f6f0a73342fd19a10946563be

  • SHA1

    b048bc9baf7e11f4b65c779e8eada27244c13bb8

  • SHA256

    bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895

  • SHA512

    39c0b784c663e30ff14bcaa5ee40a4dcde9303bab810e2253678f554bc4514836efd49b61175e307a6772142394b94ed1f5455dabbe28a295d61c8255ecbf8c4

  • SSDEEP

    6144:3ivSaPZbhGa/X/gSEmepzPuAPJvmdXKWXlpsSj1ddDYFkFnT9PCqgiRKovv:zaPZbEeX/3etPJsvsmKY9qqpjv

Malware Config

Extracted

Family

xworm

Version

5.0

C2

weidmachane.zapto.org:7000

Mutex

Y3sPpIW4xQztdVfl

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

latentbot

C2

weidmachane.zapto.org

Signatures

  • Detect Xworm Payload 1 IoCs
  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Latentbot family
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Stormkitty family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe
    "C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:804
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DxVTeXwK.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DxVTeXwK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6481.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2436
    • C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe
      "C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 1632
        3⤵
        • Program crash
        PID:392
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 952 -ip 952
    1⤵
      PID:724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      8761c17da183c5630e5863939822a0d5

      SHA1

      a4882b0a2d6a7977a04b9b45ba6cd71a29188bae

      SHA256

      d476e8dcb50ce66f62938233c9b3254f5b17134522748115b611f116d6eaf2f8

      SHA512

      4b148bbc27d2321b45fa839b86c2ad30640d3d2fc814dd14e344b1c8ed908222f1eeccaf1708bbc36fb893591e68ae31725254cde2a701ce6bf61cd72de1429a

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uijnijh4.e1z.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp6481.tmp

      Filesize

      1KB

      MD5

      a90390dad73f0f07cb228fbcb5937035

      SHA1

      7e5801678fa9c11627fb32173c1c31b90936452c

      SHA256

      56f2d4cda64bc50eb298ff9da3941b6fbca3eb0534ecb46e327ff17c6aac8674

      SHA512

      f1c77b4e74c9259583b51b776c4220c74a1d4e8e97999feddfc634f7eb6b1fedf7db361785e2e092640ac4bb6494328bc0f823061706d3ddd13e8f70c1a7d87b

    • memory/804-22-0x00000000055B0000-0x00000000055D2000-memory.dmp

      Filesize

      136KB

    • memory/804-77-0x00000000072A0000-0x00000000072AE000-memory.dmp

      Filesize

      56KB

    • memory/804-47-0x0000000005D20000-0x0000000005D3E000-memory.dmp

      Filesize

      120KB

    • memory/804-17-0x0000000004E50000-0x0000000005478000-memory.dmp

      Filesize

      6.2MB

    • memory/804-46-0x0000000005860000-0x0000000005BB4000-memory.dmp

      Filesize

      3.3MB

    • memory/804-18-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/804-87-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/804-19-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/804-15-0x00000000047E0000-0x0000000004816000-memory.dmp

      Filesize

      216KB

    • memory/804-16-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/804-79-0x00000000073B0000-0x00000000073CA000-memory.dmp

      Filesize

      104KB

    • memory/804-61-0x0000000074D60000-0x0000000074DAC000-memory.dmp

      Filesize

      304KB

    • memory/804-76-0x0000000007270000-0x0000000007281000-memory.dmp

      Filesize

      68KB

    • memory/804-75-0x00000000072F0000-0x0000000007386000-memory.dmp

      Filesize

      600KB

    • memory/804-48-0x0000000005D70000-0x0000000005DBC000-memory.dmp

      Filesize

      304KB

    • memory/804-74-0x00000000070E0000-0x00000000070EA000-memory.dmp

      Filesize

      40KB

    • memory/952-23-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/952-90-0x0000000001180000-0x000000000118E000-memory.dmp

      Filesize

      56KB

    • memory/952-88-0x0000000007DF0000-0x0000000008140000-memory.dmp

      Filesize

      3.3MB

    • memory/952-89-0x0000000008760000-0x0000000008880000-memory.dmp

      Filesize

      1.1MB

    • memory/952-91-0x0000000008880000-0x0000000008BD4000-memory.dmp

      Filesize

      3.3MB

    • memory/952-92-0x0000000008DE0000-0x0000000008E2C000-memory.dmp

      Filesize

      304KB

    • memory/1300-10-0x0000000003200000-0x0000000003250000-memory.dmp

      Filesize

      320KB

    • memory/1300-6-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/1300-1-0x0000000000F10000-0x0000000000F8A000-memory.dmp

      Filesize

      488KB

    • memory/1300-41-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/1300-2-0x0000000005E80000-0x0000000006424000-memory.dmp

      Filesize

      5.6MB

    • memory/1300-3-0x00000000058D0000-0x0000000005962000-memory.dmp

      Filesize

      584KB

    • memory/1300-5-0x0000000005B50000-0x0000000005BEC000-memory.dmp

      Filesize

      624KB

    • memory/1300-4-0x0000000005840000-0x000000000584A000-memory.dmp

      Filesize

      40KB

    • memory/1300-7-0x00000000059A0000-0x00000000059BC000-memory.dmp

      Filesize

      112KB

    • memory/1300-8-0x00000000744DE000-0x00000000744DF000-memory.dmp

      Filesize

      4KB

    • memory/1300-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

      Filesize

      4KB

    • memory/1300-9-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/3636-78-0x00000000071E0000-0x00000000071F4000-memory.dmp

      Filesize

      80KB

    • memory/3636-21-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/3636-80-0x00000000072C0000-0x00000000072C8000-memory.dmp

      Filesize

      32KB

    • memory/3636-30-0x0000000005670000-0x00000000056D6000-memory.dmp

      Filesize

      408KB

    • memory/3636-49-0x0000000006E20000-0x0000000006E52000-memory.dmp

      Filesize

      200KB

    • memory/3636-86-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/3636-73-0x0000000006FA0000-0x0000000006FBA000-memory.dmp

      Filesize

      104KB

    • memory/3636-72-0x00000000075E0000-0x0000000007C5A000-memory.dmp

      Filesize

      6.5MB

    • memory/3636-71-0x0000000006E70000-0x0000000006F13000-memory.dmp

      Filesize

      652KB

    • memory/3636-60-0x0000000006240000-0x000000000625E000-memory.dmp

      Filesize

      120KB

    • memory/3636-50-0x0000000074D60000-0x0000000074DAC000-memory.dmp

      Filesize

      304KB

    • memory/3636-29-0x0000000005590000-0x00000000055F6000-memory.dmp

      Filesize

      408KB