xworm | 940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b

General

Target

940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe
Size

70KB
MD5

fc2adb95856fbd7850ffe80550556c84
SHA1

f763d8ebb60a91ebe560ad8bb1ebd26200c60311
SHA256

940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b
SHA512

895b3be411cc1cb2e4cd4561e40d20b95c6ae0292f2c8698ce0225a092a4a2320be4a2f5360f3010bca423ac4b8446dc8b637a9a2d2452e483cf82602c21d3d1
SSDEEP

1536:TLsxzl3saJFUumj5X6UWQbuoZhsWlQf6AeOqzTD23:TLspxs+UumvvbjdQaOq/K3

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

different-da.gl.at.ply.gg:46568

Attributes

Install_directory
%AppData%
install_file
System.exe
telegram
https://api.telegram.org/bot7872237749:AAF0xKTawqNrsH-1Rsq1CxgAFFTtw942WZA/sendMessage?chat_id=867995626

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2384-1-0x0000000001170000-0x0000000001188000-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
2712	powershell.exe
2884	powershell.exe
2852	powershell.exe
2532	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.lnk	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.lnk	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Users\\Admin\\AppData\\Roaming\\System.exe"	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.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
4	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
1144	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2884	powershell.exe
2852	powershell.exe
2532	powershell.exe
2712	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe
Token: SeDebugPrivilege	2884	powershell.exe
Token: SeDebugPrivilege	2852	powershell.exe
Token: SeDebugPrivilege	2532	powershell.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2884	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	31
PID 2384 wrote to memory of 2884	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	31
PID 2384 wrote to memory of 2884	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	31
PID 2384 wrote to memory of 2852	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	33
PID 2384 wrote to memory of 2852	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	33
PID 2384 wrote to memory of 2852	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	33
PID 2384 wrote to memory of 2532	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	36
PID 2384 wrote to memory of 2532	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	36
PID 2384 wrote to memory of 2532	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	36
PID 2384 wrote to memory of 2712	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	38
PID 2384 wrote to memory of 2712	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	38
PID 2384 wrote to memory of 2712	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	38
PID 2384 wrote to memory of 1144	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	40
PID 2384 wrote to memory of 1144	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	40
PID 2384 wrote to memory of 1144	2384	940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe	40

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\940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe
"C:\Users\Admin\AppData\Local\Temp\940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2384
- 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\940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2884
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '940e9575b88e65925a1022c976cc1beb0a75c42d7a956a7b6e14bd7d48038a2b.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- 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\System.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2532
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'System.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "System" /tr "C:\Users\Admin\AppData\Roaming\System.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1144

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

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
f8b001beda97a9eea5be65659e53f2db

SHA1
4e8192afaa34ad6e8a6f21a5871a5d3726851107

SHA256
8994292771f22d6a6e0b6ac72bfd20ebdfdf16daed306ce6a3b954225a11be30

SHA512
7d2c059d74655d502704b3fa232a9077527c462fbf0d0ef1e60cf1a6d3e8b2895bf2d463946c08e3925a2ff9404d440f9de5689814d9e02326bb693e032d5e6b

Download Submit
memory/2384-2-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

Filesize
9.9MB

Download
memory/2384-1-0x0000000001170000-0x0000000001188000-memory.dmp

Filesize
96KB

Download
memory/2384-0-0x000007FEF5573000-0x000007FEF5574000-memory.dmp

Filesize
4KB

Download
memory/2384-28-0x000007FEF5573000-0x000007FEF5574000-memory.dmp

Filesize
4KB

Download
memory/2384-33-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

Filesize
9.9MB

Download
memory/2384-34-0x0000000001020000-0x000000000102C000-memory.dmp

Filesize
48KB

Download
memory/2384-35-0x000000001B670000-0x000000001B6FE000-memory.dmp

Filesize
568KB

Download
memory/2852-15-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2852-16-0x00000000023C0000-0x00000000023C8000-memory.dmp

Filesize
32KB

Download
memory/2884-7-0x0000000002200000-0x0000000002280000-memory.dmp

Filesize
512KB

Download
memory/2884-8-0x000000001B470000-0x000000001B752000-memory.dmp

Filesize
2.9MB

Download
memory/2884-9-0x00000000028E0000-0x00000000028E8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads