xworm | 734583184759ee71d9a25e037f25e409f2f1c7adfd1927bf6838bbfb62f2195e

Resubmissions

18-01-2025 02:54

250118-dd9fbs1ncr 10

18-01-2025 02:49

250118-da9a6azrcz 10

18-01-2025 02:47

250118-c9v25s1mcq 10

Analysis

max time kernel
91s
max time network
119s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
18-01-2025 02:47

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Report Analysis Logs

General

Target

Update.exe
Size

61KB
MD5

6afe04684a757675a359e7152592e644
SHA1

d436a89ed573a6f5cb5d9b5f5d971cc12ac09e7b
SHA256

734583184759ee71d9a25e037f25e409f2f1c7adfd1927bf6838bbfb62f2195e
SHA512

25d29d6ceb7d2aaf57d689dba5bad64268151cad17d989b34dadb5146a10f6e15e9a424c927a453d2cdc0e78e0561c348d78e98c1250fc590420ad21b3bed94a
SSDEEP

1536:wmtWxjhNJeaJXi+btWeYpive5scO3yKWRC6:wPjhNwaJXi+bw3EqhO3yKWU6

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:18889

147.185.221.25:18889

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4744-1-0x0000000000100000-0x0000000000116000-memory.dmp	family_xworm

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

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	msinfo32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID	msinfo32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\CompatibleIDs	msinfo32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	msinfo32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID	msinfo32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\CompatibleIDs	msinfo32.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msinfo32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	msinfo32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\ECFirmwareMajorRelease	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4744	Update.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4744	Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4744	Update.exe

C:\Users\Admin\AppData\Local\Temp\Update.exe
"C:\Users\Admin\AppData\Local\Temp\Update.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4744

C:\Windows\system32\msinfo32.exe
"C:\Windows\system32\msinfo32.exe" "C:\Users\Admin\Desktop\SendBackup.nfo"
1⤵
- Checks SCSI registry key(s)
- Enumerates system info in registry
PID:2472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4744-0-0x00007FFE85A73000-0x00007FFE85A75000-memory.dmp

Filesize
8KB

Download
memory/4744-1-0x0000000000100000-0x0000000000116000-memory.dmp

Filesize
88KB

Download
memory/4744-2-0x00007FFE85A70000-0x00007FFE86532000-memory.dmp

Filesize
10.8MB

Download
memory/4744-3-0x00007FFE85A73000-0x00007FFE85A75000-memory.dmp

Filesize
8KB

Download
memory/4744-4-0x00007FFE85A70000-0x00007FFE86532000-memory.dmp

Filesize
10.8MB

Download