xworm | 97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/11/2024, 03:22

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General

Target

97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
Size

653KB
MD5

2f70673f42fa875f6086be3f08d0228d
SHA1

9d669bedf14a71f846ffa4fd2026f8d956daa57e
SHA256

97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64
SHA512

3dfe6da9f87e82f59addc56aaad56f25305aa2f1ea4a579b9829dd4fffa4f89a93d74f5311e4194bf4c42b035394cf2e3fd5480b0237d24076c33c60603b9dc6
SSDEEP

12288:8qFKqcoUvEmbGqbxoVOxEKEXQ8MUzNkFa21YQ1G8aJqjZ0uqISt:8q0qconmNKYq5zZNkk2qQ8jJq10uqIg

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

154.216.20.132:2233

Mutex

NFxnDoJ61PAf6tB3

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1680-23-0x0000000000400000-0x0000000000410000-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 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2548	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4164 set thread context of 1680	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	105

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 4 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	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

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
4124	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
2548	powershell.exe
2548	powershell.exe
1680	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
Token: SeDebugPrivilege	2548	powershell.exe
Token: SeDebugPrivilege	1680	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1680	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 2548	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	99
PID 4164 wrote to memory of 2548	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	99
PID 4164 wrote to memory of 2548	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	99
PID 4164 wrote to memory of 4124	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	101
PID 4164 wrote to memory of 4124	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	101
PID 4164 wrote to memory of 4124	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	101
PID 4164 wrote to memory of 2000	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	103
PID 4164 wrote to memory of 2000	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	103
PID 4164 wrote to memory of 2000	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	103
PID 4164 wrote to memory of 4960	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	104
PID 4164 wrote to memory of 4960	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	104
PID 4164 wrote to memory of 4960	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	104
PID 4164 wrote to memory of 1680	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	105
PID 4164 wrote to memory of 1680	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	105
PID 4164 wrote to memory of 1680	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	105
PID 4164 wrote to memory of 1680	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	105
PID 4164 wrote to memory of 1680	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	105
PID 4164 wrote to memory of 1680	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	105
PID 4164 wrote to memory of 1680	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	105
PID 4164 wrote to memory of 1680	4164	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	105

C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
"C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4164
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FFXkKmgOJiIrD.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2548
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FFXkKmgOJiIrD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE5AD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4124
- C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
  "C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe"
  2⤵
  PID:2000
- C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
  "C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe"
  2⤵
  PID:4960
- C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
  "C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe"
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_31u5dorg.yjr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE5AD.tmp

Filesize
1KB

MD5
9dc11a666a76a207366547917ac456c9

SHA1
99f4b4640bfddae42e595e391a25c8bd7161e5ad

SHA256
cbf712c00cd4079e2051f70ed68facf923ecdb1a742efc6e8aaf65974b9d7209

SHA512
1d53ae26721f835008c5002f557f797db6df9f8e3e000f0e10966b4cb66b3169d2d7cde891238c5711df903cb4cef57cc166b5d3f0a11b7c48a17e2a90a8d5c5

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe

Filesize
653KB

MD5
2f70673f42fa875f6086be3f08d0228d

SHA1
9d669bedf14a71f846ffa4fd2026f8d956daa57e

SHA256
97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64

SHA512
3dfe6da9f87e82f59addc56aaad56f25305aa2f1ea4a579b9829dd4fffa4f89a93d74f5311e4194bf4c42b035394cf2e3fd5480b0237d24076c33c60603b9dc6

Download Submit
memory/1680-69-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1680-33-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1680-23-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2548-52-0x00000000072F0000-0x0000000007393000-memory.dmp

Filesize
652KB

Download
memory/2548-38-0x00000000060C0000-0x00000000060DE000-memory.dmp

Filesize
120KB

Download
memory/2548-64-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2548-61-0x0000000007700000-0x0000000007708000-memory.dmp

Filesize
32KB

Download
memory/2548-60-0x0000000007720000-0x000000000773A000-memory.dmp

Filesize
104KB

Download
memory/2548-15-0x00000000027E0000-0x0000000002816000-memory.dmp

Filesize
216KB

Download
memory/2548-16-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2548-17-0x0000000005240000-0x0000000005868000-memory.dmp

Filesize
6.2MB

Download
memory/2548-59-0x0000000007620000-0x0000000007634000-memory.dmp

Filesize
80KB

Download
memory/2548-19-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2548-21-0x0000000005190000-0x00000000051F6000-memory.dmp

Filesize
408KB

Download
memory/2548-20-0x0000000004FE0000-0x0000000005002000-memory.dmp

Filesize
136KB

Download
memory/2548-58-0x0000000007610000-0x000000000761E000-memory.dmp

Filesize
56KB

Download
memory/2548-22-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/2548-26-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2548-57-0x00000000075E0000-0x00000000075F1000-memory.dmp

Filesize
68KB

Download
memory/2548-25-0x0000000005A80000-0x0000000005DD4000-memory.dmp

Filesize
3.3MB

Download
memory/2548-56-0x0000000007660000-0x00000000076F6000-memory.dmp

Filesize
600KB

Download
memory/2548-55-0x0000000007450000-0x000000000745A000-memory.dmp

Filesize
40KB

Download
memory/2548-54-0x00000000073E0000-0x00000000073FA000-memory.dmp

Filesize
104KB

Download
memory/2548-39-0x0000000006160000-0x00000000061AC000-memory.dmp

Filesize
304KB

Download
memory/2548-40-0x00000000066B0000-0x00000000066E2000-memory.dmp

Filesize
200KB

Download
memory/2548-41-0x0000000071A60000-0x0000000071AAC000-memory.dmp

Filesize
304KB

Download
memory/2548-51-0x0000000006650000-0x000000000666E000-memory.dmp

Filesize
120KB

Download
memory/2548-53-0x0000000007A20000-0x000000000809A000-memory.dmp

Filesize
6.5MB

Download
memory/4164-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/4164-7-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/4164-3-0x0000000005300000-0x0000000005392000-memory.dmp

Filesize
584KB

Download
memory/4164-4-0x00000000053B0000-0x00000000053BA000-memory.dmp

Filesize
40KB

Download
memory/4164-27-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/4164-5-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/4164-6-0x0000000005610000-0x00000000056AC000-memory.dmp

Filesize
624KB

Download
memory/4164-10-0x0000000002C10000-0x0000000002C62000-memory.dmp

Filesize
328KB

Download
memory/4164-9-0x0000000005850000-0x000000000586C000-memory.dmp

Filesize
112KB

Download
memory/4164-8-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/4164-2-0x0000000005990000-0x0000000005F34000-memory.dmp

Filesize
5.6MB

Download
memory/4164-1-0x0000000000880000-0x0000000000928000-memory.dmp

Filesize
672KB

Download