xworm | 324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898

General

Target

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
Size

73KB
MD5

d1f0deefdb07b39c1e18729e4af99f9f
SHA1

42aeb2f9ca2230bab8d731f31f812e83b33a2203
SHA256

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898
SHA512

67dc09db1b8d4dff43efa7f65c4cbca12e8a4cb2e187eb5632dab1e3c7ea268e4527a8dba416da1c92fe3fbe9e6b0337a0fea226083f4fb2cab69a7f01db00eb
SSDEEP

1536:GUxpUnNr95mi/T+TbyObuR1rLjQM+0bAPCI68UOTmvRKJe4/:GUMNxTqTmObm174lLUOw8Jj/

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

192.168.68.100:5552

Attributes

Install_directory
%Userprofile%
install_file
USB.exe

Signatures

Detect Xworm Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2924-1-0x0000000000390000-0x00000000003A8000-memory.dmp	family_xworm
C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	family_xworm
behavioral1/memory/2804-36-0x0000000000C10000-0x0000000000C28000-memory.dmp	family_xworm

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

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2696 powershell.exe
2472 powershell.exe
2632 powershell.exe

pid	process
2696	powershell.exe
2472	powershell.exe
2632	powershell.exe

Drops startup file 2 IoCs

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.lnk	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.lnk	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

Executes dropped EXE 2 IoCs

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

pid	process
2804	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
336	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898 = "C:\\Users\\Admin\\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe"	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.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

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2984 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exepowershell.exe324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

pid process

2632 powershell.exe
2696 powershell.exe
2472 powershell.exe
2924 324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

flow	ioc
4	ip-api.com

pid	process
2984	schtasks.exe

pid	process
2632	powershell.exe
2696	powershell.exe
2472	powershell.exe
2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exepowershell.exepowershell.exepowershell.exe324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

description	pid	process
Token: SeDebugPrivilege	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2472	powershell.exe
Token: SeDebugPrivilege	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
Token: SeDebugPrivilege	2804	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
Token: SeDebugPrivilege	336	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

pid process

2924 324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

pid	process
2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exetaskeng.exe

description	pid	process	target process
PID 2924 wrote to memory of 2632	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 2924 wrote to memory of 2632	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 2924 wrote to memory of 2632	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 2924 wrote to memory of 2696	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 2924 wrote to memory of 2696	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 2924 wrote to memory of 2696	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 2924 wrote to memory of 2472	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 2924 wrote to memory of 2472	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 2924 wrote to memory of 2472	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 2924 wrote to memory of 2984	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	schtasks.exe
PID 2924 wrote to memory of 2984	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	schtasks.exe
PID 2924 wrote to memory of 2984	2924	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	schtasks.exe
PID 2404 wrote to memory of 2804	2404	taskeng.exe	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
PID 2404 wrote to memory of 2804	2404	taskeng.exe	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
PID 2404 wrote to memory of 2804	2404	taskeng.exe	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
PID 2404 wrote to memory of 336	2404	taskeng.exe	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
PID 2404 wrote to memory of 336	2404	taskeng.exe	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
PID 2404 wrote to memory of 336	2404	taskeng.exe	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.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\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
"C:\Users\Admin\AppData\Local\Temp\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe"
1⤵
- 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:2924

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\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2632

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2472

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898" /tr "C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe"
2⤵
- Creates scheduled task(s)
PID:2984

C:\Windows\system32\taskeng.exe
taskeng.exe {3CCBB810-A4EB-4D21-8B8F-032E3E627AD8} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2404

C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2804

C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:336

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
Filesize
73KB

MD5
d1f0deefdb07b39c1e18729e4af99f9f

SHA1
42aeb2f9ca2230bab8d731f31f812e83b33a2203

SHA256
324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898

SHA512
67dc09db1b8d4dff43efa7f65c4cbca12e8a4cb2e187eb5632dab1e3c7ea268e4527a8dba416da1c92fe3fbe9e6b0337a0fea226083f4fb2cab69a7f01db00eb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
576876358949cbd0372ff6cf7a165dbf

SHA1
a3c6114b2dcdad56ff7665a593c8949323c54f33

SHA256
f1f176eb6100d83a9eb58f4c041ecf0d5e3b1de8c60d9dfe53c6b7804a67b557

SHA512
c8e61d16630a2c3a88794f5ec2263e9f449f668a0e250296e6875cdd64e563828d8d491b0910d5662984d88c8cbcc0297c52f20314d16e78d5ab7a5ada1646de

Download Submit
\??\PIPE\srvsvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/2632-7-0x0000000001D80000-0x0000000001E00000-memory.dmp

Filesize
512KB

Download
memory/2632-8-0x000000001B750000-0x000000001BA32000-memory.dmp

Filesize
2.9MB

Download
memory/2632-9-0x0000000001E10000-0x0000000001E18000-memory.dmp

Filesize
32KB

Download
memory/2696-15-0x000000001B500000-0x000000001B7E2000-memory.dmp

Filesize
2.9MB

Download
memory/2696-16-0x0000000002990000-0x0000000002998000-memory.dmp

Filesize
32KB

Download
memory/2804-36-0x0000000000C10000-0x0000000000C28000-memory.dmp

Filesize
96KB

Download
memory/2924-2-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Filesize
9.9MB

Download
memory/2924-0-0x000007FEF5683000-0x000007FEF5684000-memory.dmp

Filesize
4KB

Download
memory/2924-1-0x0000000000390000-0x00000000003A8000-memory.dmp

Filesize
96KB

Download
memory/2924-31-0x000007FEF5683000-0x000007FEF5684000-memory.dmp

Filesize
4KB

Download
memory/2924-32-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads