xworm | 3d0566863a71c0bdd072c29413be5654bd922f4733192ee26fef5431208e8a30

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
15/06/2024, 18:06

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General

Target
XClient.exe
Size 67KB
Sample240615-wp1xfatdlm
SHA256 3d0566863a71c0bdd072c29413be5654bd922f4733192ee26fef5431208e8a30
MD5 3f218b783946a9c9de51a2d04655eafa
SHA1 9ae1e92e8e90fba57ad56d52292a060e8bd2cfc2
SHA512 1da0d07bd2a9a7abfb552b79af4a3f6c3b6dd3746857ca6e8c9c574f90a843a012a26441ef995c52f13b8ba5d47b604eae03b384f6c822d3770e573f5bfa3596
SSDEEP 1536:LgQiUr6VzoA6ahdIf53B2XlP4b9GiTQHo603Uk9O5h2u56:LV65hdIx3wXlP4b9rTQ+3Uk9O5ou56
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

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/1348-0-0x00000000008F0000-0x0000000000908000-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
1752	powershell.exe
5040	powershell.exe
4432	powershell.exe
3460	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-1-5-21-2080292272-204036150-2159171770-1000\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

Executes dropped EXE 2 IoCs

pid	Process
1804	ltmrmf.exe
2092	ccqxik.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
22	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-1-5-21-2080292272-204036150-2159171770-1000_Classes\Local Settings	XClient.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3616	vlc.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5040	powershell.exe
5040	powershell.exe
4432	powershell.exe
4432	powershell.exe
3460	powershell.exe
3460	powershell.exe
1752	powershell.exe
1752	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3616	vlc.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	1348	XClient.exe
Token: SeDebugPrivilege	5040	powershell.exe
Token: SeDebugPrivilege	4432	powershell.exe
Token: SeDebugPrivilege	3460	powershell.exe
Token: SeDebugPrivilege	1752	powershell.exe
Token: SeDebugPrivilege	1348	XClient.exe
Token: 33	4192	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4192	AUDIODG.EXE
Token: 33	3616	vlc.exe
Token: SeIncBasePriorityPrivilege	3616	vlc.exe

Suspicious use of FindShellTrayWindow 23 IoCs

pid	Process
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe
3616	vlc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 5040	1348	XClient.exe	86
PID 1348 wrote to memory of 5040	1348	XClient.exe	86
PID 1348 wrote to memory of 4432	1348	XClient.exe	88
PID 1348 wrote to memory of 4432	1348	XClient.exe	88
PID 1348 wrote to memory of 3460	1348	XClient.exe	90
PID 1348 wrote to memory of 3460	1348	XClient.exe	90
PID 1348 wrote to memory of 1752	1348	XClient.exe	92
PID 1348 wrote to memory of 1752	1348	XClient.exe	92
PID 1348 wrote to memory of 1804	1348	XClient.exe	99
PID 1348 wrote to memory of 1804	1348	XClient.exe	99
PID 1348 wrote to memory of 1804	1348	XClient.exe	99
PID 1348 wrote to memory of 2092	1348	XClient.exe	101
PID 1348 wrote to memory of 2092	1348	XClient.exe	101
PID 1348 wrote to memory of 2092	1348	XClient.exe	101
PID 1348 wrote to memory of 3616	1348	XClient.exe	103
PID 1348 wrote to memory of 3616	1348	XClient.exe	103

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:1348
- 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:5040
- 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:4432
- 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:3460
- 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:1752
- C:\Users\Admin\AppData\Local\Temp\ltmrmf.exe
  "C:\Users\Admin\AppData\Local\Temp\ltmrmf.exe"
  2⤵
  - Executes dropped EXE
  PID:1804
- C:\Users\Admin\AppData\Local\Temp\ccqxik.exe
  "C:\Users\Admin\AppData\Local\Temp\ccqxik.exe"
  2⤵
  - Executes dropped EXE
  PID:2092
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\uagofb.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:3616

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4cc 0x508
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5
MD5 da5c82b0e070047f7377042d08093ff4
SHA1 89d05987cd60828cca516c5c40c18935c35e8bd3
SHA512 7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 366473e774d8976c7fd4dc582220666fb61a4feb3f7c95e69b2a68ad9e446ec9
MD5 cc19bcff372d20459d3651ba8aef50e7
SHA1 3c6f1d4cdd647864fb97a16b1aefba67fcee11f7
SHA512 a0e360ca4b6e874fd44612bf4b17f3722c0619da4f6bade12a62efadae88c2d33460114eaafa2bc3fb1cef5bea07e745b8bee24f15d0cacaff5f4a521b225080
MD5 SHA1 SHA512

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__PSScriptPolicyTest_oeuuwhql.smk.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oeuuwhql.smk.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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ccqxik.exe

Path C:\Users\Admin\AppData\Local\Temp\ccqxik.exe
Size 6KB
SHA256 b11a92c2961b6b3da9ca54ce8bf866980913f3a5df2969f809e5cd4fcc734663
MD5 2aea27b056354f507176190c33a2b679
SHA1 23a103bac45bd0d090a959fe4f524d112aea5b24
SHA512 62336fa72f093bf73114dc140d461b7684e966624484651d1821a210b73016cc525c2d949d4d43947219af18c0c776184a127a4a2a57c1ff13f3daf117f57514
SSDEEP 96:HIlKrov+pw2x5bt3VqEEI96nOBPVc5lhVokcXok1gok4okdzNt:H20/2qBq/I9KONVc7hRQ1UcX
MD5 SHA1 SHA512 SSDEEP

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ltmrmf.exe

Path C:\Users\Admin\AppData\Local\Temp\ltmrmf.exe
Size 5KB
SHA256 e60353b37f785c77e1063ac44cba792e9ec69f27b1dc9f3b719280d5ce015cc0
MD5 17b935ed6066732a76bed69867702e4b
SHA1 23f28e3374f9d0e03d45843b28468aace138e71c
SHA512 774ea047cdc5f008df03ad67242df04d630bb962bc99f1ea8974a21baf6a902c7a5d8b8d09d9e5c7d7e46b0378c7baf33bf80fb3e34777cd0958b8fc740d0318
SSDEEP 96:2AY3+z86Wt3VGEwMO54w802Sug8kiBzNt:FYe86WGhMO54w81jJD
MD5 SHA1 SHA512 SSDEEP

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uagofb.mp4

Path C:\Users\Admin\AppData\Local\Temp\uagofb.mp4
Size 506KB
SHA256 55f75ec1b09b1c3e3343b57fcd29e808d4124396e55c1e6283f67b2d88368a42
MD5 43cf76b67730d774222067fd901af752
SHA1 e6f57f7fa535dd3488c5ec1d4be9732a99814e8a
SHA512 3d7dccf9612e13678750f325a60e46ba0c10d124031b6e7a19f8e9575f49b4c1ab5b53fd9453f39309aff2c9e457751e82690a68224d2710681628f887f62386
SSDEEP 12288:SVHcoHLWuJJTPP7h2FxORoeuCvCkt8a+ED/XPLpEkuGuUNYkNitW6SQ0:SV8UW7ORNuCqqL+u9ELx8YkQ4R
MD5 SHA1 SHA512 SSDEEP

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memory/1348-60-0x0000000002CC0000-0x0000000002CCC000-memory.dmp

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memory/1348-58-0x00007FFF46A90000-0x00007FFF47551000-memory.dmp

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memory/1348-0-0x00000000008F0000-0x0000000000908000-memory.dmp

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memory/1348-2-0x00007FFF46A90000-0x00007FFF47551000-memory.dmp

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memory/1348-1-0x00007FFF46A93000-0x00007FFF46A95000-memory.dmp

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memory/1804-72-0x0000000000480000-0x0000000000488000-memory.dmp

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memory/2092-85-0x0000000000BF0000-0x0000000000BF8000-memory.dmp

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memory/4432-31-0x000002623D790000-0x000002623D9AC000-memory.dmp

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memory/5040-18-0x00007FFF46A90000-0x00007FFF47551000-memory.dmp

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memory/5040-15-0x00007FFF46A90000-0x00007FFF47551000-memory.dmp

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memory/5040-14-0x00007FFF46A90000-0x00007FFF47551000-memory.dmp

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memory/5040-13-0x00007FFF46A90000-0x00007FFF47551000-memory.dmp

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memory/5040-12-0x0000013F7AAF0000-0x0000013F7AB12000-memory.dmp

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