Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 16:17

General

  • Target

    5f93d1ba8286162e4e7ebe907745b186d2301534fd8b39a84f129f3857f16c30.exe

  • Size

    821KB

  • MD5

    7c36f1554bb662abddb2fafb5db3037d

  • SHA1

    4d2b146919805242a1699139d2937bae4fddfd4b

  • SHA256

    5f93d1ba8286162e4e7ebe907745b186d2301534fd8b39a84f129f3857f16c30

  • SHA512

    caa4b4b05fdd1a5b68979ed0c2388c727dd3d89d34a2351e7e392e1dd1764a87a0af1106e7beaa65a287cd625088daeb9ccfcad4fed8ca39b273fa7142c53665

  • SSDEEP

    24576:PBKn35eX+HnjaKB2LJKI923eTuOmvzzx428hYTGu:EpjHnj3B2VKI92uuOmrOSTGu

Malware Config

Extracted

Family

xworm

Version

5.0

C2

212.162.149.53:7071

Mutex

9GNxvcpH1EHQrLdj

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Extracted

Family

redline

Botnet

FOZ

C2

212.162.149.53:36014

Signatures

  • Detect Xworm Payload 2 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Redline family
  • Xworm

    Xworm is a remote access trojan written in C#.

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

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f93d1ba8286162e4e7ebe907745b186d2301534fd8b39a84f129f3857f16c30.exe
    "C:\Users\Admin\AppData\Local\Temp\5f93d1ba8286162e4e7ebe907745b186d2301534fd8b39a84f129f3857f16c30.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:4252
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YkxAHNcqEmoeLS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1480
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YkxAHNcqEmoeLS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD64.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1800
    • C:\Users\Admin\AppData\Local\Temp\5f93d1ba8286162e4e7ebe907745b186d2301534fd8b39a84f129f3857f16c30.exe
      "C:\Users\Admin\AppData\Local\Temp\5f93d1ba8286162e4e7ebe907745b186d2301534fd8b39a84f129f3857f16c30.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4212
      • C:\Users\Admin\AppData\Local\Temp\XClient.exe
        "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3504
      • C:\Users\Admin\AppData\Local\Temp\build.exe
        "C:\Users\Admin\AppData\Local\Temp\build.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5f93d1ba8286162e4e7ebe907745b186d2301534fd8b39a84f129f3857f16c30.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe

    Filesize

    40KB

    MD5

    1c5cf825e29b63a62c3c8b1589d51a1e

    SHA1

    ea4f1dceeeea35b6bd17f4040511bbd0341246a8

    SHA256

    d868406f1fdc6a5c15a70f03f6279fb8a3fe190ea5a4911bf6839fc483c753b0

    SHA512

    c780aff70b930ea221ffd96081c02116f76d2c7b20590fff6ab04038e2aef50ad57eb8f28a67c4dfdb6a00e3fe393e1238d448c3f346585242ee18d180203fd2

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3fg103le.m2b.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\build.exe

    Filesize

    300KB

    MD5

    1ed2ecae05aaa1c505136f5252287cc7

    SHA1

    2c73c09437c4c1d5e90013a6ca7a65ac0a5fadc5

    SHA256

    d771f70ba342e5d4cd7f129a4a2b4a6c6c7293233135f266db33f356986a70f9

    SHA512

    ca82139310ea62ec8703f6fcb19d843644a5ce40323e8f7857c9fd3173bb0796eb20f9002209b9fcbfa7ce9858fe3b932e070f8449bc2736b6712d39515d9219

  • C:\Users\Admin\AppData\Local\Temp\tmpBD64.tmp

    Filesize

    1KB

    MD5

    607df7a91968b7e6e8cdd0eb6154fce4

    SHA1

    9e100ea2beb3f29796e5aefd218c23d5599a368b

    SHA256

    2ce1e6b3038cd42ac56388e6e1f2f85db20621d1a2d678802de4cafb20bcf667

    SHA512

    ee3c035c7ac471bdf5ffa41792894827ecdc4111444b62bf0a936d4e0046466a44018614371f6166f9f082d81618775e0f5e5222bf8780aecab5816171643d6c

  • memory/1480-39-0x00000000064A0000-0x00000000064BE000-memory.dmp

    Filesize

    120KB

  • memory/1480-15-0x0000000004ED0000-0x0000000004F06000-memory.dmp

    Filesize

    216KB

  • memory/1480-98-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/1480-91-0x0000000007AF0000-0x0000000007AF8000-memory.dmp

    Filesize

    32KB

  • memory/1480-90-0x0000000007B10000-0x0000000007B2A000-memory.dmp

    Filesize

    104KB

  • memory/1480-89-0x0000000007A10000-0x0000000007A24000-memory.dmp

    Filesize

    80KB

  • memory/1480-88-0x0000000007A00000-0x0000000007A0E000-memory.dmp

    Filesize

    56KB

  • memory/1480-17-0x00000000056A0000-0x0000000005CC8000-memory.dmp

    Filesize

    6.2MB

  • memory/1480-16-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/1480-87-0x00000000079D0000-0x00000000079E1000-memory.dmp

    Filesize

    68KB

  • memory/1480-19-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/1480-86-0x0000000007A50000-0x0000000007AE6000-memory.dmp

    Filesize

    600KB

  • memory/1480-85-0x0000000007840000-0x000000000784A000-memory.dmp

    Filesize

    40KB

  • memory/1480-23-0x0000000005E60000-0x0000000005EC6000-memory.dmp

    Filesize

    408KB

  • memory/1480-84-0x00000000077D0000-0x00000000077EA000-memory.dmp

    Filesize

    104KB

  • memory/1480-22-0x0000000005D40000-0x0000000005DA6000-memory.dmp

    Filesize

    408KB

  • memory/1480-21-0x00000000055E0000-0x0000000005602000-memory.dmp

    Filesize

    136KB

  • memory/1480-36-0x0000000005ED0000-0x0000000006224000-memory.dmp

    Filesize

    3.3MB

  • memory/1480-83-0x0000000007E20000-0x000000000849A000-memory.dmp

    Filesize

    6.5MB

  • memory/1480-82-0x00000000074A0000-0x0000000007543000-memory.dmp

    Filesize

    652KB

  • memory/1480-81-0x0000000007470000-0x000000000748E000-memory.dmp

    Filesize

    120KB

  • memory/1480-70-0x0000000007430000-0x0000000007462000-memory.dmp

    Filesize

    200KB

  • memory/1480-41-0x00000000064E0000-0x000000000652C000-memory.dmp

    Filesize

    304KB

  • memory/1480-71-0x0000000074F30000-0x0000000074F7C000-memory.dmp

    Filesize

    304KB

  • memory/1480-20-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/1492-66-0x0000000006510000-0x0000000006B28000-memory.dmp

    Filesize

    6.1MB

  • memory/1492-64-0x0000000000A60000-0x0000000000AB2000-memory.dmp

    Filesize

    328KB

  • memory/1492-67-0x0000000005EF0000-0x0000000005FFA000-memory.dmp

    Filesize

    1.0MB

  • memory/1492-68-0x0000000005500000-0x0000000005512000-memory.dmp

    Filesize

    72KB

  • memory/1492-101-0x00000000080F0000-0x000000000861C000-memory.dmp

    Filesize

    5.2MB

  • memory/1492-100-0x00000000072A0000-0x0000000007462000-memory.dmp

    Filesize

    1.8MB

  • memory/1492-99-0x0000000007B70000-0x0000000007BC0000-memory.dmp

    Filesize

    320KB

  • memory/1492-69-0x0000000005690000-0x00000000056CC000-memory.dmp

    Filesize

    240KB

  • memory/3504-52-0x0000000000D60000-0x0000000000D70000-memory.dmp

    Filesize

    64KB

  • memory/4212-38-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/4212-29-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/4212-65-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-4-0x00000000053C0000-0x00000000053CA000-memory.dmp

    Filesize

    40KB

  • memory/4252-3-0x00000000052F0000-0x0000000005382000-memory.dmp

    Filesize

    584KB

  • memory/4252-37-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-5-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-1-0x0000000000840000-0x0000000000914000-memory.dmp

    Filesize

    848KB

  • memory/4252-10-0x0000000006A40000-0x0000000006AE2000-memory.dmp

    Filesize

    648KB

  • memory/4252-9-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-8-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/4252-7-0x0000000006690000-0x00000000066AC000-memory.dmp

    Filesize

    112KB

  • memory/4252-0-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/4252-2-0x0000000005990000-0x0000000005F34000-memory.dmp

    Filesize

    5.6MB

  • memory/4252-6-0x00000000055D0000-0x000000000566C000-memory.dmp

    Filesize

    624KB