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

wiz.bounceme.net:6000

Attributes

Install_directory
%Userprofile%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1920-1-0x0000000000250000-0x0000000000268000-memory.dmp	family_xworm
C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	family_xworm
behavioral2/memory/1920-51-0x000000001C120000-0x000000001C12E000-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

4152 powershell.exe
4008 powershell.exe
2584 powershell.exe

pid	process
4152	powershell.exe
4008	powershell.exe
2584	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

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

Drops startup file 2 IoCs

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.lnk	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
File opened for modification	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
3364	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
816	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-1-5-21-1337824034-2731376981-3755436523-1000\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

20 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

2448 schtasks.exe

flow	ioc
20	ip-api.com

pid	process
2448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exepowershell.exepowershell.exe324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

pid	process
2584	powershell.exe
2584	powershell.exe
4152	powershell.exe
4152	powershell.exe
4008	powershell.exe
4008	powershell.exe
1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
Token: SeDebugPrivilege	2584	powershell.exe
Token: SeDebugPrivilege	4152	powershell.exe
Token: SeDebugPrivilege	4008	powershell.exe
Token: SeDebugPrivilege	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
Token: SeDebugPrivilege	3364	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
Token: SeDebugPrivilege	816	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

pid process

1920 324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

pid	process
1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe

description	pid	process	target process
PID 1920 wrote to memory of 2584	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 1920 wrote to memory of 2584	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 1920 wrote to memory of 4152	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 1920 wrote to memory of 4152	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 1920 wrote to memory of 4008	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 1920 wrote to memory of 4008	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	powershell.exe
PID 1920 wrote to memory of 2448	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	schtasks.exe
PID 1920 wrote to memory of 2448	1920	324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe	schtasks.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⤵
- 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:1920

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:2584

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:4152

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:4008

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:2448

C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3364

C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
C:\Users\Admin\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:816

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

Query Registry

2

T1012

System Information Discovery

2

T1082

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\Local\Microsoft\CLR_v4.0\UsageLogs\324217674377be614ac6cdb886d3daef10d68842061a90df2430faf281076898.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
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
2d06ce10e4e5b9e174b5ebbdad300fad

SHA1
bcc1c231e22238cef02ae25331320060ada2f131

SHA256
87d1dd56f12a88907ba5aebca8d555443d6f77ed214497277cc8bcd31c669f2c

SHA512
38cfbeb59605854ae4fcfae8619a6b26bd916148acfb5636383672a3960b45ca41fed5c241f97465129e92eaf78c4c85dcf258f1ab501a2bf771287ce04f76a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yt14y04c.2zo.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1920-1-0x0000000000250000-0x0000000000268000-memory.dmp

Filesize
96KB

Download
memory/1920-2-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/1920-53-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/1920-52-0x00007FFEE9C43000-0x00007FFEE9C45000-memory.dmp

Filesize
8KB

Download
memory/1920-51-0x000000001C120000-0x000000001C12E000-memory.dmp

Filesize
56KB

Download
memory/1920-0-0x00007FFEE9C43000-0x00007FFEE9C45000-memory.dmp

Filesize
8KB

Download
memory/2584-18-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/2584-15-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/2584-14-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/2584-9-0x000002BBF1160000-0x000002BBF1182000-memory.dmp

Filesize
136KB

Download
memory/2584-3-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/4008-42-0x00000216EC3D0000-0x00000216EC53A000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads