xworm | e6cd1d4f3e1ddb7cb9d41186bbf8c10494c91388f2aed84a95f62568ef11fcd1

General

Target

1337 Crack.exe
Size

18.6MB
MD5

9505ebe349e9fefa3eab68142b85fac8
SHA1

2b33fc2d0aa8759d1e9535a829a68f68b0382f53
SHA256

e6cd1d4f3e1ddb7cb9d41186bbf8c10494c91388f2aed84a95f62568ef11fcd1
SHA512

72cce65ac22d7fcb41e63f6096de95114d5b359f75c97ccad14d5aaf9d1a64f8be1ac7f4b6228c9fbf4e8cf8012182eac3277cdd441edda08828c1e5712d51c1
SSDEEP

1536:TcBSENyrdccjBReGabeGXVmiEEZ73C61SO4ors:TcHyrtnxabeGYy53YOnA

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:6673

accessories-fame.gl.at.ply.gg:6673

Attributes

Install_directory
%Userprofile%
install_file
svchost.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2128-1-0x0000000000AD0000-0x0000000000AE6000-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
2704	powershell.exe
2716	powershell.exe
2640	powershell.exe
2684	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	1337 Crack.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	1337 Crack.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\svchost.exe"	1337 Crack.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
1292	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2704	powershell.exe
2716	powershell.exe
2640	powershell.exe
2684	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	1337 Crack.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	2640	powershell.exe
Token: SeDebugPrivilege	2684	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2704	2128	1337 Crack.exe	31
PID 2128 wrote to memory of 2704	2128	1337 Crack.exe	31
PID 2128 wrote to memory of 2704	2128	1337 Crack.exe	31
PID 2128 wrote to memory of 2716	2128	1337 Crack.exe	33
PID 2128 wrote to memory of 2716	2128	1337 Crack.exe	33
PID 2128 wrote to memory of 2716	2128	1337 Crack.exe	33
PID 2128 wrote to memory of 2640	2128	1337 Crack.exe	35
PID 2128 wrote to memory of 2640	2128	1337 Crack.exe	35
PID 2128 wrote to memory of 2640	2128	1337 Crack.exe	35
PID 2128 wrote to memory of 2684	2128	1337 Crack.exe	37
PID 2128 wrote to memory of 2684	2128	1337 Crack.exe	37
PID 2128 wrote to memory of 2684	2128	1337 Crack.exe	37
PID 2128 wrote to memory of 1292	2128	1337 Crack.exe	39
PID 2128 wrote to memory of 1292	2128	1337 Crack.exe	39
PID 2128 wrote to memory of 1292	2128	1337 Crack.exe	39

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\1337 Crack.exe
"C:\Users\Admin\AppData\Local\Temp\1337 Crack.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128
- 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\1337 Crack.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2704
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '1337 Crack.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2640
- 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:2684
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\svchost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1292

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\I7QSLMS15IPSV5OBQEHZ.temp

Filesize
7KB

MD5
9fe6e28d2d7af2bc5a988ecf489cd3c9

SHA1
787a453719b85a22b0bc3e616ef785d608622073

SHA256
a0a4d4109cba81b95ee6630b67c58356cc5dd9da0e0f321c4e47534388c7f122

SHA512
aef65e1e7db179ac474117a503af1e048060d24d4aacfb908bfab4e22bcfb7e05b82869b25ec4bbfd325d2fb27754ff019f50b0437282d34fbb1913223b79e17

Download Submit
memory/2128-0-0x000007FEF4FD3000-0x000007FEF4FD4000-memory.dmp

Filesize
4KB

Download
memory/2128-1-0x0000000000AD0000-0x0000000000AE6000-memory.dmp

Filesize
88KB

Download
memory/2128-2-0x000007FEF4FD0000-0x000007FEF59BC000-memory.dmp

Filesize
9.9MB

Download
memory/2128-28-0x000007FEF4FD3000-0x000007FEF4FD4000-memory.dmp

Filesize
4KB

Download
memory/2128-34-0x000007FEF4FD0000-0x000007FEF59BC000-memory.dmp

Filesize
9.9MB

Download
memory/2704-7-0x0000000002D80000-0x0000000002E00000-memory.dmp

Filesize
512KB

Download
memory/2704-8-0x000000001B700000-0x000000001B9E2000-memory.dmp

Filesize
2.9MB

Download
memory/2704-9-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/2716-15-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2716-16-0x0000000001F70000-0x0000000001F78000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads