xworm | 3389ea0da70c332fb4e2cf1bf0ca290ed6c5ab35340d2e9d696e80e023e39436

Analysis

max time kernel
1s
max time network
0s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/03/2025, 19:06

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General

Target

PC X LEGEND BYPASS.exe
Size

1.9MB
MD5

0f5d149cd2e3d53211053cc10ab5afe3
SHA1

7c6a746d3018e0c9c4fdbb0afeed5d763956614f
SHA256

3389ea0da70c332fb4e2cf1bf0ca290ed6c5ab35340d2e9d696e80e023e39436
SHA512

0350b4ab55667cc3fa3bb8c26f2e94439827e0d80f6d180c60e6aadc770c016c2ea37352e2a96e62378b2fcad091033658890553218c0efae536108bf5a93949
SSDEEP

49152:/iNOmow0zk3ArZeVuW4gPP9l9GBlyXXHeJGU6frQkwrM:qNkBkwrAutgH79GTQeJGRsDM

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

147.185.221.23:58112

Attributes

Install_directory
%AppData%
install_file
Realtek HD Audio Universal Service.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012263-2.dat	family_xworm
behavioral1/memory/2940-7-0x00000000011B0000-0x00000000011C4000-memory.dmp	family_xworm

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

Executes dropped EXE 8 IoCs

pid	Process
2940	Realtek HD Audio Universal Service.exe
2756	Realtek HD Audio Universal Service.exe
2716	Realtek HD Audio Universal Service.exe
2728	Realtek HD Audio Universal Service.exe
2584	Realtek HD Audio Universal Service.exe
2760	Realtek HD Audio Universal Service.exe
2624	Realtek HD Audio Universal Service.exe
2640	Realtek HD Audio Universal Service.exe

Loads dropped DLL 8 IoCs

pid	Process
2500	PC X LEGEND BYPASS.exe
2992	PC X LEGEND BYPASS.exe
2352	PC X LEGEND BYPASS.exe
2780	PC X LEGEND BYPASS.exe
2700	PC X LEGEND BYPASS.exe
2892	PC X LEGEND BYPASS.exe
2832	PC X LEGEND BYPASS.exe
2576	PC X LEGEND BYPASS.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 9 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	PC X LEGEND BYPASS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PC X LEGEND BYPASS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PC X LEGEND BYPASS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PC X LEGEND BYPASS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PC X LEGEND BYPASS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PC X LEGEND BYPASS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PC X LEGEND BYPASS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PC X LEGEND BYPASS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PC X LEGEND BYPASS.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2940	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	2756	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	2716	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	2728	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	2584	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	2760	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	2624	Realtek HD Audio Universal Service.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2940	2500	PC X LEGEND BYPASS.exe	30
PID 2500 wrote to memory of 2940	2500	PC X LEGEND BYPASS.exe	30
PID 2500 wrote to memory of 2940	2500	PC X LEGEND BYPASS.exe	30
PID 2500 wrote to memory of 2940	2500	PC X LEGEND BYPASS.exe	30
PID 2500 wrote to memory of 2992	2500	PC X LEGEND BYPASS.exe	31
PID 2500 wrote to memory of 2992	2500	PC X LEGEND BYPASS.exe	31
PID 2500 wrote to memory of 2992	2500	PC X LEGEND BYPASS.exe	31
PID 2500 wrote to memory of 2992	2500	PC X LEGEND BYPASS.exe	31
PID 2992 wrote to memory of 2756	2992	PC X LEGEND BYPASS.exe	32
PID 2992 wrote to memory of 2756	2992	PC X LEGEND BYPASS.exe	32
PID 2992 wrote to memory of 2756	2992	PC X LEGEND BYPASS.exe	32
PID 2992 wrote to memory of 2756	2992	PC X LEGEND BYPASS.exe	32
PID 2992 wrote to memory of 2352	2992	PC X LEGEND BYPASS.exe	33
PID 2992 wrote to memory of 2352	2992	PC X LEGEND BYPASS.exe	33
PID 2992 wrote to memory of 2352	2992	PC X LEGEND BYPASS.exe	33
PID 2992 wrote to memory of 2352	2992	PC X LEGEND BYPASS.exe	33
PID 2352 wrote to memory of 2716	2352	PC X LEGEND BYPASS.exe	34
PID 2352 wrote to memory of 2716	2352	PC X LEGEND BYPASS.exe	34
PID 2352 wrote to memory of 2716	2352	PC X LEGEND BYPASS.exe	34
PID 2352 wrote to memory of 2716	2352	PC X LEGEND BYPASS.exe	34
PID 2352 wrote to memory of 2780	2352	PC X LEGEND BYPASS.exe	35
PID 2352 wrote to memory of 2780	2352	PC X LEGEND BYPASS.exe	35
PID 2352 wrote to memory of 2780	2352	PC X LEGEND BYPASS.exe	35
PID 2352 wrote to memory of 2780	2352	PC X LEGEND BYPASS.exe	35
PID 2780 wrote to memory of 2728	2780	PC X LEGEND BYPASS.exe	36
PID 2780 wrote to memory of 2728	2780	PC X LEGEND BYPASS.exe	36
PID 2780 wrote to memory of 2728	2780	PC X LEGEND BYPASS.exe	36
PID 2780 wrote to memory of 2728	2780	PC X LEGEND BYPASS.exe	36
PID 2780 wrote to memory of 2700	2780	PC X LEGEND BYPASS.exe	37
PID 2780 wrote to memory of 2700	2780	PC X LEGEND BYPASS.exe	37
PID 2780 wrote to memory of 2700	2780	PC X LEGEND BYPASS.exe	37
PID 2780 wrote to memory of 2700	2780	PC X LEGEND BYPASS.exe	37
PID 2700 wrote to memory of 2584	2700	PC X LEGEND BYPASS.exe	38
PID 2700 wrote to memory of 2584	2700	PC X LEGEND BYPASS.exe	38
PID 2700 wrote to memory of 2584	2700	PC X LEGEND BYPASS.exe	38
PID 2700 wrote to memory of 2584	2700	PC X LEGEND BYPASS.exe	38
PID 2700 wrote to memory of 2892	2700	PC X LEGEND BYPASS.exe	39
PID 2700 wrote to memory of 2892	2700	PC X LEGEND BYPASS.exe	39
PID 2700 wrote to memory of 2892	2700	PC X LEGEND BYPASS.exe	39
PID 2700 wrote to memory of 2892	2700	PC X LEGEND BYPASS.exe	39
PID 2892 wrote to memory of 2760	2892	PC X LEGEND BYPASS.exe	40
PID 2892 wrote to memory of 2760	2892	PC X LEGEND BYPASS.exe	40
PID 2892 wrote to memory of 2760	2892	PC X LEGEND BYPASS.exe	40
PID 2892 wrote to memory of 2760	2892	PC X LEGEND BYPASS.exe	40
PID 2892 wrote to memory of 2832	2892	PC X LEGEND BYPASS.exe	41
PID 2892 wrote to memory of 2832	2892	PC X LEGEND BYPASS.exe	41
PID 2892 wrote to memory of 2832	2892	PC X LEGEND BYPASS.exe	41
PID 2892 wrote to memory of 2832	2892	PC X LEGEND BYPASS.exe	41
PID 2832 wrote to memory of 2624	2832	PC X LEGEND BYPASS.exe	42
PID 2832 wrote to memory of 2624	2832	PC X LEGEND BYPASS.exe	42
PID 2832 wrote to memory of 2624	2832	PC X LEGEND BYPASS.exe	42
PID 2832 wrote to memory of 2624	2832	PC X LEGEND BYPASS.exe	42
PID 2832 wrote to memory of 2576	2832	PC X LEGEND BYPASS.exe	43
PID 2832 wrote to memory of 2576	2832	PC X LEGEND BYPASS.exe	43
PID 2832 wrote to memory of 2576	2832	PC X LEGEND BYPASS.exe	43
PID 2832 wrote to memory of 2576	2832	PC X LEGEND BYPASS.exe	43
PID 2576 wrote to memory of 2640	2576	PC X LEGEND BYPASS.exe	44
PID 2576 wrote to memory of 2640	2576	PC X LEGEND BYPASS.exe	44
PID 2576 wrote to memory of 2640	2576	PC X LEGEND BYPASS.exe	44
PID 2576 wrote to memory of 2640	2576	PC X LEGEND BYPASS.exe	44
PID 2576 wrote to memory of 2696	2576	PC X LEGEND BYPASS.exe	45
PID 2576 wrote to memory of 2696	2576	PC X LEGEND BYPASS.exe	45
PID 2576 wrote to memory of 2696	2576	PC X LEGEND BYPASS.exe	45
PID 2576 wrote to memory of 2696	2576	PC X LEGEND BYPASS.exe	45

C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
"C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
  "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2940
- C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
  "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
    "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- - C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
    "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2352
  - - C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
      "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:2716
  - - C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
      "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2780
    - - C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:2728
    - - C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        5⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2700
      - C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:2584
      - C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        6⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2892
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        7⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:2760
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        7⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2832
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        8⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:2624
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        8⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2576
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        9⤵
        Executes dropped EXE
        
        PID:2640
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        9⤵
        System Location Discovery: System Language Discovery
        
        PID:2696
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        10⤵
        
        PID:2292
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        10⤵
        
        PID:2980
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        11⤵
        
        PID:1020
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        11⤵
        
        PID:848
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        12⤵
        
        PID:1840
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        12⤵
        
        PID:1708
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        13⤵
        
        PID:1648
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        13⤵
        
        PID:1216
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        14⤵
        
        PID:1844
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        14⤵
        
        PID:2480
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        15⤵
        
        PID:2876
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        15⤵
        
        PID:1040
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        16⤵
        
        PID:1564
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        16⤵
        
        PID:2472
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        17⤵
        
        PID:1612
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        17⤵
        
        PID:1000
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        18⤵
        
        PID:2676
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        18⤵
        
        PID:964
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        19⤵
        
        PID:1832
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        19⤵
        
        PID:1732
        
        C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
        20⤵
        
        PID:696
        
        C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\PC X LEGEND BYPASS.exe"
        20⤵
        
        PID:448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe

Filesize
53KB

MD5
ce3e5f8613ea049b651549eba3e3aa28

SHA1
1197375be314ae5a69f3b742f0f539b881aca09a

SHA256
9385116a4a3874548ffa027f4cd448d860ef8dc13fc687ce87790a01ede8e73a

SHA512
ab1428177b5ec71447003ac01f5f99d9c7f2af634f17ef53d6f6be196714faac856b0bc3f62b6fad9975dad970ec247d35f56615c62b9ad483426f4ecaae71c2

Download Submit
memory/2940-6-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmp

Filesize
4KB

Download
memory/2940-7-0x00000000011B0000-0x00000000011C4000-memory.dmp

Filesize
80KB

Download