xworm | bb80103ac259b0a260fe3fabea6c6ceedf4286f43b24665a9ec30bc1b19bd267

Analysis

max time kernel
45s
max time network
31s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 05:21

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General

Target

Files/0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe
Size

1.8MB
MD5

c53d0c64f18101045e5728562404a09b
SHA1

ebec00d5f2675c883038bc149af1da8d7b0cf535
SHA256

0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6
SHA512

bdd8080dd0b17514ede52419b755cf324e2a46b2cbb38f504d008e3bf791ef7c6a3cb78cb4f4f51f875e7677dd034750022b41074dc04b1922242fd8f339a2a7
SSDEEP

24576:xbX9r1C3TEukAYhjKVTvC/7f0Of8t2WVP3bw8izhWGsi2:ThEvC/7fhyPrwPzhWGZ

Score

10^/10

xworm discovery persistence rat trojan

Malware Config

Extracted

Family

xworm

z-openings.gl.at.ply.gg:40705

Attributes

Install_directory
%AppData%
install_file
RobloxPlayerApp.exe

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral9/memory/2868-17-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral9/memory/2868-16-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral9/memory/2868-15-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral9/memory/2868-12-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral9/memory/2868-10-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.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\666999666 = "C:\\Users\\Admin\\AppData\\Local\\0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe"	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bitsadmin.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1044	explorer.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe
Token: 33	2744	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2744	AUDIODG.EXE
Token: 33	2744	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2744	AUDIODG.EXE
Token: SeShutdownPrivilege	1044	explorer.exe
Token: SeShutdownPrivilege	1044	explorer.exe

Suspicious use of FindShellTrayWindow 29 IoCs

pid	Process
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe

Suspicious use of SendNotifyMessage 19 IoCs

pid	Process
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe
1044	explorer.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30
PID 2380 wrote to memory of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30
PID 2380 wrote to memory of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30
PID 2380 wrote to memory of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30
PID 2380 wrote to memory of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30
PID 2380 wrote to memory of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30
PID 2380 wrote to memory of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30
PID 2380 wrote to memory of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30
PID 2380 wrote to memory of 2868	2380	0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe	30

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\Files\0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe
"C:\Users\Admin\AppData\Local\Temp\Files\0b4a12968bf32f01c3aacc96ab4888e8b04f4ff334f903968afe452fec9bb2e6.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\bitsadmin.exe
  "C:\Windows\System32\bitsadmin.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2868

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1044

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x59c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2380-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x0000000001300000-0x00000000014CC000-memory.dmp

Filesize
1.8MB

Download
memory/2380-2-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-3-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2380-4-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-18-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2868-16-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2868-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2868-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2868-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2868-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2868-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2868-17-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads