xworm | 7e61107c764e924e2e7b2dfca37bf2d8f6c440014a92e69bdd6d70ae84dde8c8

General

Target

lamysoft.exe
Size

115KB
MD5

e716953f2f1a17a9e1e00d03c022267e
SHA1

7f63945c042018d1688c77abc4d6c171b763a527
SHA256

7e61107c764e924e2e7b2dfca37bf2d8f6c440014a92e69bdd6d70ae84dde8c8
SHA512

450a53a41bd517faf298728efabd599fc983caa3197e9a04e6674179ca0d26e7cd92341033ae71ebd3ab40277b997cf9923b596a9498dbddfd0ebc62186a2449
SSDEEP

3072:2G1gT1mBpTl5JcIdm++b8IaGGWxBOo9gn/Ufv3hsX:2GGm3LJJdmnbzaGZ3S/iv3

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:47359

23.ip.gl.ply.gg:47359

Attributes

Install_directory
%AppData%
install_file
rat.exe
telegram
https://api.telegram.org/bot7327399950:AAEE8XHvYDeAYqClq1sW-CApcW7Mmn1gxoQ/sendMessage?chat_id=7223021103

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2792-1-0x0000000000F00000-0x0000000000F24000-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
2940	powershell.exe
2760	powershell.exe
1184	powershell.exe
2992	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rat.lnk	lamysoft.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rat.lnk	lamysoft.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\rat = "C:\\Users\\Admin\\AppData\\Roaming\\rat.exe"	lamysoft.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1184	powershell.exe
2992	powershell.exe
2940	powershell.exe
2760	powershell.exe
2792	lamysoft.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	lamysoft.exe
Token: SeDebugPrivilege	1184	powershell.exe
Token: SeDebugPrivilege	2992	powershell.exe
Token: SeDebugPrivilege	2940	powershell.exe
Token: SeDebugPrivilege	2760	powershell.exe
Token: SeDebugPrivilege	2792	lamysoft.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2792	lamysoft.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 1184	2792	lamysoft.exe	29
PID 2792 wrote to memory of 1184	2792	lamysoft.exe	29
PID 2792 wrote to memory of 1184	2792	lamysoft.exe	29
PID 2792 wrote to memory of 2992	2792	lamysoft.exe	31
PID 2792 wrote to memory of 2992	2792	lamysoft.exe	31
PID 2792 wrote to memory of 2992	2792	lamysoft.exe	31
PID 2792 wrote to memory of 2940	2792	lamysoft.exe	33
PID 2792 wrote to memory of 2940	2792	lamysoft.exe	33
PID 2792 wrote to memory of 2940	2792	lamysoft.exe	33
PID 2792 wrote to memory of 2760	2792	lamysoft.exe	35
PID 2792 wrote to memory of 2760	2792	lamysoft.exe	35
PID 2792 wrote to memory of 2760	2792	lamysoft.exe	35

C:\Users\Admin\AppData\Local\Temp\lamysoft.exe
"C:\Users\Admin\AppData\Local\Temp\lamysoft.exe"
1⤵
- 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:2792
- 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\lamysoft.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1184
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'lamysoft.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2992
- 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\rat.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2940
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'rat.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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
a067f1ce1c1d97421be59c91f6e65222

SHA1
c6497e3ab28ce7e5c2afc29868e4ec1cfd661cff

SHA256
982d81202cfb9cee6b779838e87e18e32a7a4572ff97b26db5b0b6b6370ed81e

SHA512
7a65ae2e87308a3d8d7ba388202cc0bb729fc94db96dcf29b08b820b573d0fa3b5dd00e09865a8d5623872a4ea56542e59b9170455874ef5117674293d2e2bb4

Download Submit
memory/1184-6-0x00000000028C0000-0x0000000002940000-memory.dmp

Filesize
512KB

Download
memory/1184-7-0x000000001B1B0000-0x000000001B492000-memory.dmp

Filesize
2.9MB

Download
memory/1184-8-0x0000000002620000-0x0000000002628000-memory.dmp

Filesize
32KB

Download
memory/2792-0-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

Filesize
4KB

Download
memory/2792-1-0x0000000000F00000-0x0000000000F24000-memory.dmp

Filesize
144KB

Download
memory/2792-22-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

Filesize
4KB

Download
memory/2792-32-0x000000001B2C0000-0x000000001B340000-memory.dmp

Filesize
512KB

Download
memory/2792-33-0x000000001B2C0000-0x000000001B340000-memory.dmp

Filesize
512KB

Download
memory/2992-14-0x000000001B300000-0x000000001B5E2000-memory.dmp

Filesize
2.9MB

Download
memory/2992-15-0x00000000024E0000-0x00000000024E8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads