Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2024 11:11

General

  • Target

    payment.exe

  • Size

    478KB

  • MD5

    1db8a24af26be22dfbdfa94f2557044b

  • SHA1

    7f6f8a15fe47b5ba205e5f09c82c80296ac57e4e

  • SHA256

    9ca715647dc7025d4ea21adc4a9eda922d8d8d17397d4751026397b4e44ec5b4

  • SHA512

    e0fa830452b183b252de64cbaa39abd65c7b8c24517694a618abbf0ea56bbed00bd417f84b2c29b350126a6e3c29582787c3eb7296816bb62554e8b83fbefc38

  • SSDEEP

    12288:T2PJbEeX/Se2Zu/ZAeJBcRMibOOASlCDkR:T2Px//SlWBcOibOOf

Malware Config

Extracted

Family

xworm

Version

3.1

C2

45.149.241.217:7000

Mutex

ir8qgmTYaaTz9RIP

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment.exe
    "C:\Users\Admin\AppData\Local\Temp\payment.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3048
    • 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\payment.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2948
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oSFbzqGxN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1860
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oSFbzqGxN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB17.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:984
    • C:\Users\Admin\AppData\Local\Temp\payment.exe
      "C:\Users\Admin\AppData\Local\Temp\payment.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • 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

    bc9ff13af13a609e0c18534b6ecfca54

    SHA1

    b2e15aa9375213b35511ee1056ebf660b6f5a4fb

    SHA256

    e12ad1195af5abf4467a9705747afb930cd84c8aa0cb948a799a44fba9dc3fb4

    SHA512

    372e168932057186e2d8887aa488087216723b3654d9eb78b19899916a527e93295985117ed7874a4dd430af57b48921d0d85c47ed28c5828ef69db3be245325

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a31ye0ew.mf4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB17.tmp

    Filesize

    1KB

    MD5

    d8315dc4b1c979ac2f95e477f6be7bf0

    SHA1

    2e429f1cb20164cc9a9f9ad38f1994b79ccf0a3e

    SHA256

    6b024a16b04b720ddb2eb1167ed6bb12d6bda405e3a1eabb56cb5921164edb8e

    SHA512

    ffcd2cceec45eac21f7ee109958f899e60fded8afd0d6ee200c7a16ac0ce131aaf3fd5fa919530618fdc6644004a78759064ae480a635fcea4099bbaddb61ca3

  • memory/1632-36-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1860-77-0x0000000007920000-0x000000000792A000-memory.dmp

    Filesize

    40KB

  • memory/1860-54-0x00000000753D0000-0x000000007541C000-memory.dmp

    Filesize

    304KB

  • memory/1860-79-0x0000000007AB0000-0x0000000007AC1000-memory.dmp

    Filesize

    68KB

  • memory/1860-78-0x0000000007B30000-0x0000000007BC6000-memory.dmp

    Filesize

    600KB

  • memory/1860-81-0x0000000007AF0000-0x0000000007B04000-memory.dmp

    Filesize

    80KB

  • memory/1860-74-0x0000000007790000-0x0000000007833000-memory.dmp

    Filesize

    652KB

  • memory/1860-52-0x0000000007750000-0x0000000007782000-memory.dmp

    Filesize

    200KB

  • memory/1860-80-0x0000000007AE0000-0x0000000007AEE000-memory.dmp

    Filesize

    56KB

  • memory/1860-82-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

    Filesize

    104KB

  • memory/1860-19-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1860-83-0x0000000007BD0000-0x0000000007BD8000-memory.dmp

    Filesize

    32KB

  • memory/1860-20-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1860-90-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1860-39-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2948-17-0x00000000059B0000-0x0000000005FD8000-memory.dmp

    Filesize

    6.2MB

  • memory/2948-73-0x0000000006E30000-0x0000000006E4E000-memory.dmp

    Filesize

    120KB

  • memory/2948-37-0x0000000006250000-0x00000000065A4000-memory.dmp

    Filesize

    3.3MB

  • memory/2948-24-0x0000000005FE0000-0x0000000006046000-memory.dmp

    Filesize

    408KB

  • memory/2948-22-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2948-89-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2948-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2948-25-0x0000000006050000-0x00000000060B6000-memory.dmp

    Filesize

    408KB

  • memory/2948-50-0x0000000006880000-0x000000000689E000-memory.dmp

    Filesize

    120KB

  • memory/2948-51-0x0000000006910000-0x000000000695C000-memory.dmp

    Filesize

    304KB

  • memory/2948-16-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2948-53-0x00000000753D0000-0x000000007541C000-memory.dmp

    Filesize

    304KB

  • memory/2948-75-0x00000000081E0000-0x000000000885A000-memory.dmp

    Filesize

    6.5MB

  • memory/2948-23-0x00000000058C0000-0x00000000058E2000-memory.dmp

    Filesize

    136KB

  • memory/2948-15-0x0000000002F60000-0x0000000002F96000-memory.dmp

    Filesize

    216KB

  • memory/2948-76-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

    Filesize

    104KB

  • memory/3048-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/3048-10-0x0000000002560000-0x00000000025B0000-memory.dmp

    Filesize

    320KB

  • memory/3048-9-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3048-8-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/3048-7-0x0000000004EE0000-0x0000000004EFC000-memory.dmp

    Filesize

    112KB

  • memory/3048-6-0x0000000005040000-0x00000000050DC000-memory.dmp

    Filesize

    624KB

  • memory/3048-4-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

    Filesize

    40KB

  • memory/3048-5-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3048-3-0x0000000004D30000-0x0000000004DC2000-memory.dmp

    Filesize

    584KB

  • memory/3048-2-0x0000000005240000-0x00000000057E4000-memory.dmp

    Filesize

    5.6MB

  • memory/3048-1-0x0000000000220000-0x000000000029A000-memory.dmp

    Filesize

    488KB

  • memory/3048-49-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB