xworm | 3d0566863a71c0bdd072c29413be5654bd922f4733192ee26fef5431208e8a30

General

Target

XClient.exe
Size

67KB
MD5

3f218b783946a9c9de51a2d04655eafa
SHA1

9ae1e92e8e90fba57ad56d52292a060e8bd2cfc2
SHA256

3d0566863a71c0bdd072c29413be5654bd922f4733192ee26fef5431208e8a30
SHA512

1da0d07bd2a9a7abfb552b79af4a3f6c3b6dd3746857ca6e8c9c574f90a843a012a26441ef995c52f13b8ba5d47b604eae03b384f6c822d3770e573f5bfa3596
SSDEEP

1536:LgQiUr6VzoA6ahdIf53B2XlP4b9GiTQHo603Uk9O5h2u56:LV65hdIx3wXlP4b9rTQ+3Uk9O5ou56

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

cameras-happen.gl.at.ply.gg:23386

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3732-1-0x00000000007F0000-0x0000000000808000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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
4680	powershell.exe
3832	powershell.exe
4924	powershell.exe
1076	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-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	XClient.exe

Drops startup file 2 IoCs

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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
18	ip-api.com

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000_Classes\Local Settings	XClient.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4988	vlc.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4680	powershell.exe
4680	powershell.exe
3832	powershell.exe
3832	powershell.exe
4924	powershell.exe
4924	powershell.exe
1076	powershell.exe
1076	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4988	vlc.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3732	XClient.exe
Token: SeDebugPrivilege	4680	powershell.exe
Token: SeDebugPrivilege	3832	powershell.exe
Token: SeDebugPrivilege	4924	powershell.exe
Token: SeDebugPrivilege	1076	powershell.exe
Token: SeDebugPrivilege	3732	XClient.exe
Token: 33	5000	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	5000	AUDIODG.EXE
Token: 33	4988	vlc.exe
Token: SeIncBasePriorityPrivilege	4988	vlc.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe
4988	vlc.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 4680	3732	XClient.exe	86
PID 3732 wrote to memory of 4680	3732	XClient.exe	86
PID 3732 wrote to memory of 3832	3732	XClient.exe	88
PID 3732 wrote to memory of 3832	3732	XClient.exe	88
PID 3732 wrote to memory of 4924	3732	XClient.exe	90
PID 3732 wrote to memory of 4924	3732	XClient.exe	90
PID 3732 wrote to memory of 1076	3732	XClient.exe	92
PID 3732 wrote to memory of 1076	3732	XClient.exe	92
PID 3732 wrote to memory of 4988	3732	XClient.exe	97
PID 3732 wrote to memory of 4988	3732	XClient.exe	97

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3732
- 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\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4680
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3832
- 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\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4924
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1076
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\rvhvpz.mp4"
  2⤵
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4988

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x3ec 0x4d0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
75d224e238a397659d8e5cf458a41143

SHA1
d182d16283d3d864a2e328b677551428c29ad6df

SHA256
6a98fa5e6c5b77722f2bd8c855fd14d6bf545fc35b292252d1dc136b89ed2fee

SHA512
3477f3b4182ffdccc817de4242c8fcba706c193a0de5170cd023f8df3d330487d7e372556524b5a0fe1df56de40923700f3f8368eadf6601970e347cbcf078cc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
f23ab5d6c42d4f3ef9be3f15af8d4d4b

SHA1
6f91359ae42fef1623318c4a97ad9bb1aedd9641

SHA256
311ba0e09f4ee2b34fa035b7f71529453bc3cb5a5e713312caa9bcb29cc99c44

SHA512
5b6c3102e11e3b872fc3e7f3cadaed5757162f239daa8f038cdc3e26e68e5e4d367d7a5b52d6b9399650493bbd9b47a2808de8052b11fa6c8cc66f783b56488a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4cdosexl.ivj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\rvhvpz.mp4

Filesize
2.8MB

MD5
595f4c4ba6826f580347ab93cb795642

SHA1
b37e394e9a6b8e9e15a3603609a832fb9e81bb31

SHA256
f20b1d65d6d85f402315fc90a62b35e742ea219e5ec7b20da9956cac8d6d2301

SHA512
cc4cd470dfb6aaa96576cd30bcbeda8b741fe0e158987b90653bceb9c411147c1669351a2b3d0ec744c61c8fceb280962396a3f025404d0bdab7d6e2d01fe94e

Download Submit
memory/3732-0-0x00007FF9A23C3000-0x00007FF9A23C5000-memory.dmp

Filesize
8KB

Download
memory/3732-2-0x00007FF9A23C0000-0x00007FF9A2E81000-memory.dmp

Filesize
10.8MB

Download
memory/3732-1-0x00000000007F0000-0x0000000000808000-memory.dmp

Filesize
96KB

Download
memory/3732-57-0x00007FF9A23C3000-0x00007FF9A23C5000-memory.dmp

Filesize
8KB

Download
memory/3732-58-0x000000001CD70000-0x000000001CD7C000-memory.dmp

Filesize
48KB

Download
memory/3732-59-0x00007FF9A23C0000-0x00007FF9A2E81000-memory.dmp

Filesize
10.8MB

Download
memory/4680-14-0x000001A134B20000-0x000001A134B42000-memory.dmp

Filesize
136KB

Download
memory/4680-4-0x00007FF9A23C0000-0x00007FF9A2E81000-memory.dmp

Filesize
10.8MB

Download
memory/4680-15-0x00007FF9A23C0000-0x00007FF9A2E81000-memory.dmp

Filesize
10.8MB

Download
memory/4680-18-0x00007FF9A23C0000-0x00007FF9A2E81000-memory.dmp

Filesize
10.8MB

Download
memory/4680-3-0x00007FF9A23C0000-0x00007FF9A2E81000-memory.dmp

Filesize
10.8MB

Download
memory/4988-72-0x00007FF783DC0000-0x00007FF783EB8000-memory.dmp

Filesize
992KB

Download
memory/4988-89-0x00007FF99BAA0000-0x00007FF99BAB1000-memory.dmp

Filesize
68KB

Download
memory/4988-74-0x00007FF99F1B0000-0x00007FF99F466000-memory.dmp

Filesize
2.7MB

Download
memory/4988-82-0x00007FF99CBB0000-0x00007FF99CDBB000-memory.dmp

Filesize
2.0MB

Download
memory/4988-81-0x00007FF9AF460000-0x00007FF9AF471000-memory.dmp

Filesize
68KB

Download
memory/4988-80-0x00007FF9B2460000-0x00007FF9B247D000-memory.dmp

Filesize
116KB

Download
memory/4988-79-0x00007FF9B2480000-0x00007FF9B2491000-memory.dmp

Filesize
68KB

Download
memory/4988-78-0x00007FF9B24A0000-0x00007FF9B24B7000-memory.dmp

Filesize
92KB

Download
memory/4988-77-0x00007FF9B24C0000-0x00007FF9B24D1000-memory.dmp

Filesize
68KB

Download
memory/4988-76-0x00007FF9B24E0000-0x00007FF9B24F7000-memory.dmp

Filesize
92KB

Download
memory/4988-75-0x00007FF9B2500000-0x00007FF9B2518000-memory.dmp

Filesize
96KB

Download
memory/4988-73-0x00007FF9B6540000-0x00007FF9B6574000-memory.dmp

Filesize
208KB

Download
memory/4988-88-0x00007FF99BAC0000-0x00007FF99BAD1000-memory.dmp

Filesize
68KB

Download
memory/4988-83-0x00007FF99BB00000-0x00007FF99CBB0000-memory.dmp

Filesize
16.7MB

Download
memory/4988-87-0x00007FF99BAE0000-0x00007FF99BAF1000-memory.dmp

Filesize
68KB

Download
memory/4988-86-0x00007FF99F110000-0x00007FF99F128000-memory.dmp

Filesize
96KB

Download
memory/4988-85-0x00007FF99F130000-0x00007FF99F151000-memory.dmp

Filesize
132KB

Download
memory/4988-84-0x00007FF99F160000-0x00007FF99F1A1000-memory.dmp

Filesize
260KB

Download
memory/4988-92-0x00007FF99F1B0000-0x00007FF99F466000-memory.dmp

Filesize
2.7MB

Download
memory/4988-101-0x00007FF99BB00000-0x00007FF99CBB0000-memory.dmp

Filesize
16.7MB

Download
memory/4988-112-0x00007FF99F1B0000-0x00007FF99F466000-memory.dmp

Filesize
2.7MB

Download
memory/4988-121-0x00007FF99BB00000-0x00007FF99CBB0000-memory.dmp

Filesize
16.7MB

Download

Analysis

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