xworm | 153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564

max time kernel
55s
max time network
58s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05/03/2025, 23:55

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Reason

Machine shutdown

Report Analysis Logs

General

Target

ExodusInject.exe
Size

227KB
MD5

38b7704d2b199559ada166401f1d51c1
SHA1

3376eec35cd4616ba8127b976a8667e7a0aac87d
SHA256

153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564
SHA512

07b828073c8f80c5498501c8f64decb5effa702c8bc3d60a2f7d5de36d493b469cbbf413fb0c92c0aadd6ee139bfb75f3b9e936230212d42e57d2ec5671e9b27
SSDEEP

3072:iBIVzZQgudhV3mypQgbNjcEHBAnpK37nXY8q004Q78ePsi74tyJhbgKL/VoilIBS:Ur3mypQX8mOeP/9/VtLGH+8l

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

137.184.74.73:5000

Mutex

Y2rnj2CSRObOXXLb

Attributes

Install_directory
%ProgramData%
install_file
System.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1900-31-0x0000000000260000-0x000000000026E000-memory.dmp	family_xworm

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

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.

execution

PowerShell

T1059.001

pid	Process
1928	powershell.exe
2624	powershell.exe

Deletes itself 1 IoCs

pid	Process
1088	cmd.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.lnk	AggregatorHost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.lnk	AggregatorHost.exe

Executes dropped EXE 1 IoCs

pid	Process
1900	AggregatorHost.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2100	timeout.exe

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

pid	Process
2520	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1928	powershell.exe
2624	powershell.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	ExodusInject.exe
Token: SeBackupPrivilege	2960	vssvc.exe
Token: SeRestorePrivilege	2960	vssvc.exe
Token: SeAuditPrivilege	2960	vssvc.exe
Token: SeDebugPrivilege	1928	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	1900	AggregatorHost.exe
Token: SeDebugPrivilege	1900	AggregatorHost.exe
Token: SeShutdownPrivilege	1292	shutdown.exe
Token: SeRemoteShutdownPrivilege	1292	shutdown.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 1928	2760	ExodusInject.exe	34
PID 2760 wrote to memory of 1928	2760	ExodusInject.exe	34
PID 2760 wrote to memory of 1928	2760	ExodusInject.exe	34
PID 2760 wrote to memory of 2624	2760	ExodusInject.exe	36
PID 2760 wrote to memory of 2624	2760	ExodusInject.exe	36
PID 2760 wrote to memory of 2624	2760	ExodusInject.exe	36
PID 2760 wrote to memory of 1088	2760	ExodusInject.exe	39
PID 2760 wrote to memory of 1088	2760	ExodusInject.exe	39
PID 2760 wrote to memory of 1088	2760	ExodusInject.exe	39
PID 1088 wrote to memory of 2100	1088	cmd.exe	41
PID 1088 wrote to memory of 2100	1088	cmd.exe	41
PID 1088 wrote to memory of 2100	1088	cmd.exe	41
PID 2404 wrote to memory of 1900	2404	taskeng.exe	42
PID 2404 wrote to memory of 1900	2404	taskeng.exe	42
PID 2404 wrote to memory of 1900	2404	taskeng.exe	42
PID 1900 wrote to memory of 2520	1900	AggregatorHost.exe	43
PID 1900 wrote to memory of 2520	1900	AggregatorHost.exe	43
PID 1900 wrote to memory of 2520	1900	AggregatorHost.exe	43
PID 1900 wrote to memory of 1292	1900	AggregatorHost.exe	45
PID 1900 wrote to memory of 1292	1900	AggregatorHost.exe	45
PID 1900 wrote to memory of 1292	1900	AggregatorHost.exe	45

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
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe
"C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760
- 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\AggregatorHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1928
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'AggregatorHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp77BF.tmp.bat""
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2100

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2960

C:\Windows\system32\taskeng.exe
taskeng.exe {BACC978E-776D-4EE5-96AA-8F89B37B7B9B} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
  C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "System" /tr "C:\ProgramData\System.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2520
- - C:\Windows\system32\shutdown.exe
    shutdown.exe /f /s /t 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1292

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:788

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp77BF.tmp.bat

Filesize
164B

MD5
a21a01b1eea54f7fdc0d414f801913f1

SHA1
41f5656a0ed2e40f89a75a90d6d0398cd21b456b

SHA256
b1cde353935d626f7318ac513a5a85ff05500dc6a2795f82658af20f0a0976b1

SHA512
5328f1c4bd1205fa909a026da8abafa9d2444a0aaaf2353ac470fac13cff5da9d5b8faedae81885bf12490658fd7d25f3ea2ccd137a464ef88c0781d5d481175

Download Submit
C:\Users\Admin\AppData\Roaming\AggregatorHost.exe

Filesize
227KB

MD5
38b7704d2b199559ada166401f1d51c1

SHA1
3376eec35cd4616ba8127b976a8667e7a0aac87d

SHA256
153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564

SHA512
07b828073c8f80c5498501c8f64decb5effa702c8bc3d60a2f7d5de36d493b469cbbf413fb0c92c0aadd6ee139bfb75f3b9e936230212d42e57d2ec5671e9b27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
b31b9aee2a0f7422575dadbc21b8e768

SHA1
c1d90d552a242ac25f213c1e2db05390974a6bbb

SHA256
40aaa61ef56f02ec91efefe6b002614f1dd2921395651862871e9853dba356dd

SHA512
61e1ef53fbde2efe2405d373b727feb78fae42496fe3a41e9cbbb48f6f6b47bd183c8895922ee3c4ddfdc70467235d2f050846df3571cf72a215f05f52b54e45

Download Submit
memory/1900-31-0x0000000000260000-0x000000000026E000-memory.dmp

Filesize
56KB

Download
memory/1900-30-0x0000000000BE0000-0x0000000000C20000-memory.dmp

Filesize
256KB

Download
memory/1928-6-0x000000001B200000-0x000000001B4E2000-memory.dmp

Filesize
2.9MB

Download
memory/1928-7-0x0000000001DF0000-0x0000000001DF8000-memory.dmp

Filesize
32KB

Download
memory/2624-14-0x000000001B230000-0x000000001B512000-memory.dmp

Filesize
2.9MB

Download
memory/2624-15-0x0000000002670000-0x0000000002678000-memory.dmp

Filesize
32KB

Download
memory/2760-26-0x000007FEF6500000-0x000007FEF6EEC000-memory.dmp

Filesize
9.9MB

Download
memory/2760-0-0x000007FEF6503000-0x000007FEF6504000-memory.dmp

Filesize
4KB

Download
memory/2760-8-0x000007FEF6503000-0x000007FEF6504000-memory.dmp

Filesize
4KB

Download
memory/2760-1-0x0000000000CC0000-0x0000000000D00000-memory.dmp

Filesize
256KB

Download
memory/2760-37-0x000007FEF6500000-0x000007FEF6EEC000-memory.dmp

Filesize
9.9MB

Download

Resubmissions

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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