xworm | c1154d35742a0359eb645c7b5db4590096de42bfaee33701ed17758bed0ce8e7

General

Target

Aq.exe
Size

58KB
MD5

74bc243ae7a708ff855d909cd335015e
SHA1

1ae8eaa354fb74477eff655768044fbe4c70061e
SHA256

c1154d35742a0359eb645c7b5db4590096de42bfaee33701ed17758bed0ce8e7
SHA512

8c73551601b6683cb417678b6f9306333c7f7ab87ec38a3a2b6e16399e9ea58dd6e21b8de28dfb215bd3d64669095a1fdc3af40ab45963f7824fc434f91b75e1
SSDEEP

1536:1eh4s4QPbdRsdhz/IbHYfcOeHJ6xuOyQnQua:kxRsHUbHocBUuOJnNa

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

IDKTOBEHONESTNIGAS-56344.portmap.io:56344

Attributes

Install_directory
%LocalAppData%

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/232-1-0x0000000000D00000-0x0000000000D14000-memory.dmp	family_xworm
behavioral1/files/0x002400000002ab52-48.dat	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 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
5764	powershell.exe
6112	powershell.exe
3564	powershell.exe

Drops startup file 2 IoCs

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Windows\CurrentVersion\Run\Aq = "C:\\Users\\Admin\\AppData\\Local\\Aq.exe"	Aq.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

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.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
3328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5764	powershell.exe
5764	powershell.exe
6112	powershell.exe
6112	powershell.exe
3564	powershell.exe
3564	powershell.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	232	Aq.exe
Token: SeDebugPrivilege	5764	powershell.exe
Token: SeDebugPrivilege	6112	powershell.exe
Token: SeDebugPrivilege	3564	powershell.exe
Token: SeDebugPrivilege	232	Aq.exe
Token: SeDebugPrivilege	1388	taskmgr.exe
Token: SeSystemProfilePrivilege	1388	taskmgr.exe
Token: SeCreateGlobalPrivilege	1388	taskmgr.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe

Suspicious use of SendNotifyMessage 25 IoCs

pid	Process
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe
1388	taskmgr.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 5764	232	Aq.exe	78
PID 232 wrote to memory of 5764	232	Aq.exe	78
PID 232 wrote to memory of 6112	232	Aq.exe	80
PID 232 wrote to memory of 6112	232	Aq.exe	80
PID 232 wrote to memory of 3564	232	Aq.exe	82
PID 232 wrote to memory of 3564	232	Aq.exe	82
PID 232 wrote to memory of 3328	232	Aq.exe	84
PID 232 wrote to memory of 3328	232	Aq.exe	84

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\Aq.exe
"C:\Users\Admin\AppData\Local\Temp\Aq.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:232
- 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\Aq.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5764
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Aq.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:6112
- 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\Aq.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3564
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Aq" /tr "C:\Users\Admin\AppData\Local\Aq.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3328

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /0
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Aq.exe

Filesize
58KB

MD5
74bc243ae7a708ff855d909cd335015e

SHA1
1ae8eaa354fb74477eff655768044fbe4c70061e

SHA256
c1154d35742a0359eb645c7b5db4590096de42bfaee33701ed17758bed0ce8e7

SHA512
8c73551601b6683cb417678b6f9306333c7f7ab87ec38a3a2b6e16399e9ea58dd6e21b8de28dfb215bd3d64669095a1fdc3af40ab45963f7824fc434f91b75e1

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

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

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

Filesize
944B

MD5
051a74485331f9d9f5014e58ec71566c

SHA1
4ed0256a84f2e95609a0b4d5c249bca624db8fe4

SHA256
3f67e4ba795fd89d33e9a1fe7547e297a82ae50b8f25eedc2b33a27866b28888

SHA512
1f15fd8ca727b198495ef826002c1cbcc63e98eecb2e92abff48354ae668e6c3aaf9bd3005664967ae75637bacee7e730ce36142483d08ae6a068d9ae3e0e17d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zsjecwpu.xiq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Aq.lnk

Filesize
937B

MD5
21e199e9a946aebf0510d003b18622e2

SHA1
6bbc9afc5a8fa7eb48d893bd4b993a1429d2c095

SHA256
9141a4f28baffcd1fdd2c8f2fdfbb3a4f3931ee961a232d1b3f6f5277f747014

SHA512
c47793379ee463cce633cf25904ca9aa45741475b7ccd52372f30386edb121101ce6be58538d9365e433762963b2316bb7bdcd204eb29efdc4208a7f354a9666

Download Submit
memory/232-1-0x0000000000D00000-0x0000000000D14000-memory.dmp

Filesize
80KB

Download
memory/232-2-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download
memory/232-0-0x00007FFB24D73000-0x00007FFB24D75000-memory.dmp

Filesize
8KB

Download
memory/232-50-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download
memory/232-46-0x00007FFB24D73000-0x00007FFB24D75000-memory.dmp

Filesize
8KB

Download
memory/1388-63-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/1388-60-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/1388-59-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/1388-57-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/1388-61-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/1388-62-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/1388-51-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/1388-52-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/1388-53-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/1388-58-0x0000019A98F70000-0x0000019A98F71000-memory.dmp

Filesize
4KB

Download
memory/5764-4-0x000002006F8A0000-0x000002006F8C2000-memory.dmp

Filesize
136KB

Download
memory/5764-13-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download
memory/5764-14-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download
memory/5764-19-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download
memory/5764-15-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download
memory/5764-18-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download
memory/5764-3-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads