xworm | d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4

Reason

Machine shutdown

General

Target

d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe
Size

45KB
MD5

82fa8d85c14800b57bfaf418a7c886c8
SHA1

0684973d8f013ff224632c7b0955fded2f8103b2
SHA256

d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4
SHA512

873a66aa41cd0a43568977bb55a3899d28f842a14fdaf9f19a4fea66d7ee502167d3dba17b19bc5918852c12c7a95715a4265556be83435af782e86576ff4d28
SSDEEP

768:qbG5pfJFqBb6CoE0RwnuU3zQK4JTXBlirp9bqY5wu6v6QhOObOPmOi:aG5oBDorRwuUDKbPit9bH5K6QsOSPmOi

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

23.ip.gl.ply.gg:51779

Mutex

SXjK4ZMu0P1Nn0Nq

Attributes

Install_directory
%AppData%
install_file
svchost.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/5116-1-0x00000000006A0000-0x00000000006B2000-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 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1616	powershell.exe
2988	powershell.exe
660	powershell.exe
5100	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.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
14	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

pid	Process
3060	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1616	powershell.exe
1616	powershell.exe
2988	powershell.exe
2988	powershell.exe
660	powershell.exe
660	powershell.exe
5100	powershell.exe
5100	powershell.exe
5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe
Token: SeDebugPrivilege	1616	powershell.exe
Token: SeDebugPrivilege	2988	powershell.exe
Token: SeDebugPrivilege	660	powershell.exe
Token: SeDebugPrivilege	5100	powershell.exe
Token: SeDebugPrivilege	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5116 wrote to memory of 1616	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	90
PID 5116 wrote to memory of 1616	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	90
PID 5116 wrote to memory of 2988	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	93
PID 5116 wrote to memory of 2988	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	93
PID 5116 wrote to memory of 660	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	96
PID 5116 wrote to memory of 660	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	96
PID 5116 wrote to memory of 5100	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	98
PID 5116 wrote to memory of 5100	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	98
PID 5116 wrote to memory of 3060	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	102
PID 5116 wrote to memory of 3060	5116	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	102

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\d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe
"C:\Users\Admin\AppData\Local\Temp\d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.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:5116
- 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\d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1616
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'd5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2988
- 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:660
- 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:5100
- 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:3060

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

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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\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
b8dbe616e3f6fcb46e0e8941faa1c8ce

SHA1
f2d723b4ff59a01e07f19465c27bdddd427f9de4

SHA256
fb9a334474c6a0f6784bcbff5bb8cda3d40e32f2388299bc04e2b6301f84cda8

SHA512
65f81f567b5bc1506cd79f58f66aa42063613c0f985d96a3fc0e9b3d4689d087977166e76e64eb543e1c7251a8b5cd3f325319e762bd7227d3c3f0e06974afc7

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

Filesize
944B

MD5
34891037c8ca7dbe22788a126bfae60a

SHA1
e3e68c0e73b116fa820c6325dee96f9c9a05e96c

SHA256
3f6bb2fb5bb2a11f55f3f48907024b6f8a48236ac9b1e07ecc7fbcaf0c1b8760

SHA512
08ebdef74d9b80c359b6dbdb279a8c0283a45374ce4cd925a86ec033b36cb63bac503737e2ecb3385970d02cc9969335be84e81595921d64349e8474f6ce6b14

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_skqh3jxj.wik.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1616-3-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1616-13-0x000001D7544F0000-0x000001D754512000-memory.dmp

Filesize
136KB

Download
memory/1616-15-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1616-18-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1616-14-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/5116-0-0x00007FFFE13C3000-0x00007FFFE13C5000-memory.dmp

Filesize
8KB

Download
memory/5116-2-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/5116-1-0x00000000006A0000-0x00000000006B2000-memory.dmp

Filesize
72KB

Download
memory/5116-57-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads