xworm | dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6

Analysis

max time kernel
149s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 01:25

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General

Target

dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe
Size

83KB
MD5

2bebcc27d5c495d9b776162968f42b07
SHA1

bfa471133b6a8b74b35fa054e62871c6ce05f873
SHA256

dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6
SHA512

f6223ebb6ef6b1a4ded6c742ace5d93ea18dece22ff1f18c69003594e0274edd4ff4998fbb6890bdc98b5e3ce5fc08b2ce9aced270017449122f2d7733bba1cc
SSDEEP

1536:d6Mq/zy7LGGIGms90ANGA1A4C7bEkmWgq6QJ9zfcO57tkBvXdV:4Mq7OvI2GAMA+b13gMvz0O57tkB1V

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

courses-disney.gl.at.ply.gg:21335

127.0.0.1:21335

Attributes

Install_directory
%AppData%
install_file
svchost.exe
telegram
https://api.telegram.org/bot7006468177:AAEjUyc53owWdXWMasYo_ZE1Y7t2sH1O718/sendMessage?chat_id=809478226

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral2/memory/2432-1-0x0000000000920000-0x000000000093C000-memory.dmp family_xworm
C:\Users\Admin\AppData\Roaming\svchost.exe family_xworm
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

resource	yara_rule
behavioral2/memory/2432-1-0x0000000000920000-0x000000000093C000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\svchost.exe	family_xworm

Detects Windows executables referencing non-Windows User-Agents 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2432-1-0x0000000000920000-0x000000000093C000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
C:\Users\Admin\AppData\Roaming\svchost.exe	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects executables using Telegram Chat Bot 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2432-1-0x0000000000920000-0x000000000093C000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
C:\Users\Admin\AppData\Roaming\svchost.exe	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

4124 powershell.exe
4492 powershell.exe
2896 powershell.exe
4648 powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

Drops startup file 2 IoCs

Processes:

dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

4280 svchost.exe
2452 svchost.exe

pid	process
4280	svchost.exe
2452	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.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.

Processes:

flow ioc

21 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2188 schtasks.exe

flow	ioc
21	ip-api.com

pid	process
2188	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exedcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

pid	process
4124	powershell.exe
4124	powershell.exe
4492	powershell.exe
4492	powershell.exe
2896	powershell.exe
2896	powershell.exe
4648	powershell.exe
4648	powershell.exe
2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe
Token: SeDebugPrivilege	4124	powershell.exe
Token: SeDebugPrivilege	4492	powershell.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	4648	powershell.exe
Token: SeDebugPrivilege	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe
Token: SeDebugPrivilege	4280	svchost.exe
Token: SeDebugPrivilege	2452	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

pid process

2432 dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

pid	process
2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe

description	pid	process	target process
PID 2432 wrote to memory of 4124	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	powershell.exe
PID 2432 wrote to memory of 4124	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	powershell.exe
PID 2432 wrote to memory of 4492	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	powershell.exe
PID 2432 wrote to memory of 4492	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	powershell.exe
PID 2432 wrote to memory of 2896	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	powershell.exe
PID 2432 wrote to memory of 2896	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	powershell.exe
PID 2432 wrote to memory of 4648	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	powershell.exe
PID 2432 wrote to memory of 4648	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	powershell.exe
PID 2432 wrote to memory of 2188	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	schtasks.exe
PID 2432 wrote to memory of 2188	2432	dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe
"C:\Users\Admin\AppData\Local\Temp\dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2432

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4124

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4492

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2896

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4648

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2188

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4280

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2452

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
d3e8199b4634731cf0a0c26c1f14f588

SHA1
7f8fae27eb80055a436a6b5457978f32673d9ad4

SHA256
ef33f487f93c2977e92fb08d6bdcc9d48b5d1864c402f9d3fbf3e1b30e8b3b9a

SHA512
806a123100dbc1ca1b27bbad5b93c3a9a840dc795127af8523333a71259a8c5ef8aefccb83ef390f2644e013f138c4b7b63c584acccb197aada0c70c038032e2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
3db1c0d23daacf01eb99125ccc2787d3

SHA1
0849528de1ba411279231d635d8f39d54cc829d2

SHA256
bceb96f5c3d31447980eb8cd891bba75b3e5b6eb60abf4d829fc13cd8faf2582

SHA512
3d84635a3395bca1d91ce182ccfb9e38c8da87ad678704673a72d580e4251cedc5a6b2a89040a172a5687b67952e74a13673bd115bce7bdabaed06f89323de5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dsf11yfm.zky.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
83KB

MD5
2bebcc27d5c495d9b776162968f42b07

SHA1
bfa471133b6a8b74b35fa054e62871c6ce05f873

SHA256
dcf95d14fbf8ed9cef6cf7be3e71a753d5334c1be5deaba771d8354f5bd0f5e6

SHA512
f6223ebb6ef6b1a4ded6c742ace5d93ea18dece22ff1f18c69003594e0274edd4ff4998fbb6890bdc98b5e3ce5fc08b2ce9aced270017449122f2d7733bba1cc

Download Submit
memory/2432-1-0x0000000000920000-0x000000000093C000-memory.dmp

Filesize
112KB

Download
memory/2432-2-0x00007FFCCC4C0000-0x00007FFCCCF81000-memory.dmp

Filesize
10.8MB

Download
memory/2432-0-0x00007FFCCC4C3000-0x00007FFCCC4C5000-memory.dmp

Filesize
8KB

Download
memory/2432-57-0x00007FFCCC4C0000-0x00007FFCCCF81000-memory.dmp

Filesize
10.8MB

Download
memory/4124-9-0x000001ECF1990000-0x000001ECF19B2000-memory.dmp

Filesize
136KB

Download
memory/4124-18-0x00007FFCCC4C0000-0x00007FFCCCF81000-memory.dmp

Filesize
10.8MB

Download
memory/4124-15-0x00007FFCCC4C0000-0x00007FFCCCF81000-memory.dmp

Filesize
10.8MB

Download
memory/4124-14-0x00007FFCCC4C0000-0x00007FFCCCF81000-memory.dmp

Filesize
10.8MB

Download
memory/4124-3-0x00007FFCCC4C0000-0x00007FFCCCF81000-memory.dmp

Filesize
10.8MB

Download