xworm | 97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 18:31

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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/2796-21-0x0000000000400000-0x0000000000410000-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
4888	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
File opened for modification	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 4004 set thread context of 2796	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	98

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2224	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
4888	powershell.exe
4888	powershell.exe
2796	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	powershell.exe
Token: SeDebugPrivilege	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
Token: SeDebugPrivilege	2796	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2796	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 4888	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	93
PID 4004 wrote to memory of 4888	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	93
PID 4004 wrote to memory of 4888	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	93
PID 4004 wrote to memory of 2224	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	95
PID 4004 wrote to memory of 2224	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	95
PID 4004 wrote to memory of 2224	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	95
PID 4004 wrote to memory of 2076	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	97
PID 4004 wrote to memory of 2076	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	97
PID 4004 wrote to memory of 2076	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	97
PID 4004 wrote to memory of 2796	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	98
PID 4004 wrote to memory of 2796	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	98
PID 4004 wrote to memory of 2796	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	98
PID 4004 wrote to memory of 2796	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	98
PID 4004 wrote to memory of 2796	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	98
PID 4004 wrote to memory of 2796	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	98
PID 4004 wrote to memory of 2796	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	98
PID 4004 wrote to memory of 2796	4004	97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe	98

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:4004
- 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:4888
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FFXkKmgOJiIrD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7E4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2224
- C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe
  "C:\Users\Admin\AppData\Local\Temp\97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64.exe"
  2⤵
  PID:2076
- 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:2796

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lrndlnzh.g2z.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC7E4.tmp

Filesize
1KB

MD5
3b9f966b2540787e3474a4a829eaa981

SHA1
45fa6c8745c5bb4ea8584b90204c410a69e8f731

SHA256
c11c2dd05042efc396cef51389b1e1f287223e88ac11b46ae07e75679ba04347

SHA512
1672b365908b9148eda259956546d2b38b373212849f8555c3f5d7f37fcb43f7ead38ab01eda272ca08a380ee34bc8ad157ec99892f5006dcfea8f1ea6aa62a2

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

Filesize
653KB

MD5
2f70673f42fa875f6086be3f08d0228d

SHA1
9d669bedf14a71f846ffa4fd2026f8d956daa57e

SHA256
97ef8e5f7cce1ba7216aae7b44778fee1140371a68681b84b886bfbffb1e9e64

SHA512
3dfe6da9f87e82f59addc56aaad56f25305aa2f1ea4a579b9829dd4fffa4f89a93d74f5311e4194bf4c42b035394cf2e3fd5480b0237d24076c33c60603b9dc6

Download Submit
memory/2796-69-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2796-21-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2796-26-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4004-4-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/4004-7-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/4004-8-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4004-9-0x0000000006420000-0x000000000643C000-memory.dmp

Filesize
112KB

Download
memory/4004-10-0x0000000004A40000-0x0000000004A92000-memory.dmp

Filesize
328KB

Download
memory/4004-6-0x00000000052D0000-0x000000000536C000-memory.dmp

Filesize
624KB

Download
memory/4004-5-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4004-37-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4004-3-0x0000000005030000-0x00000000050C2000-memory.dmp

Filesize
584KB

Download
memory/4004-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

Filesize
5.6MB

Download
memory/4004-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/4004-1-0x0000000000580000-0x0000000000628000-memory.dmp

Filesize
672KB

Download
memory/4888-24-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/4888-53-0x0000000007AB0000-0x000000000812A000-memory.dmp

Filesize
6.5MB

Download
memory/4888-20-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4888-36-0x0000000005BA0000-0x0000000005EF4000-memory.dmp

Filesize
3.3MB

Download
memory/4888-19-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4888-22-0x00000000051A0000-0x00000000051C2000-memory.dmp

Filesize
136KB

Download
memory/4888-18-0x0000000005230000-0x0000000005858000-memory.dmp

Filesize
6.2MB

Download
memory/4888-38-0x0000000006150000-0x000000000616E000-memory.dmp

Filesize
120KB

Download
memory/4888-39-0x00000000066F0000-0x000000000673C000-memory.dmp

Filesize
304KB

Download
memory/4888-40-0x00000000066A0000-0x00000000066D2000-memory.dmp

Filesize
200KB

Download
memory/4888-41-0x0000000075A30000-0x0000000075A7C000-memory.dmp

Filesize
304KB

Download
memory/4888-51-0x0000000006680000-0x000000000669E000-memory.dmp

Filesize
120KB

Download
memory/4888-52-0x0000000007330000-0x00000000073D3000-memory.dmp

Filesize
652KB

Download
memory/4888-25-0x0000000005B30000-0x0000000005B96000-memory.dmp

Filesize
408KB

Download
memory/4888-54-0x0000000007470000-0x000000000748A000-memory.dmp

Filesize
104KB

Download
memory/4888-55-0x00000000074E0000-0x00000000074EA000-memory.dmp

Filesize
40KB

Download
memory/4888-56-0x00000000076F0000-0x0000000007786000-memory.dmp

Filesize
600KB

Download
memory/4888-57-0x0000000007670000-0x0000000007681000-memory.dmp

Filesize
68KB

Download
memory/4888-58-0x00000000076A0000-0x00000000076AE000-memory.dmp

Filesize
56KB

Download
memory/4888-59-0x00000000076B0000-0x00000000076C4000-memory.dmp

Filesize
80KB

Download
memory/4888-60-0x00000000077B0000-0x00000000077CA000-memory.dmp

Filesize
104KB

Download
memory/4888-61-0x0000000007790000-0x0000000007798000-memory.dmp

Filesize
32KB

Download
memory/4888-64-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4888-16-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4888-15-0x0000000002830000-0x0000000002866000-memory.dmp

Filesize
216KB

Download