xworm | 42d56d946fbaa549e09cdc4d0f8d65fbe7c9f85927199cd1e9238f4813c8dd70

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/11/2024, 16:26

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General

Target

DELTAV8.exe
Size

154KB
MD5

00b64deb077bfedee3502ff6cbc8d9bb
SHA1

5bdb4b86bd5b848781f2becafa864a042c924d59
SHA256

42d56d946fbaa549e09cdc4d0f8d65fbe7c9f85927199cd1e9238f4813c8dd70
SHA512

08f10d79207b937976675bf2efea08e325c2e83507904304df7cd51154fff7ffcbab7cab89833c27735ca6a60c9a57d9cc6dc61c2a972e3055065ac9f0de41fa
SSDEEP

3072:psBkPmkbrGp3tOuUjBz65/M6If+3Js+3JFkKeTnd:pDdbKp3oxBt25

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:47178

192.168.1.188:47178

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1448-1-0x00000000003A0000-0x00000000003CC000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DeltaV8.lnk	DELTAV8.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DeltaV8.lnk	DELTAV8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\DeltaV8 = "C:\\Users\\Admin\\AppData\\Roaming\\DeltaV8"	DELTAV8.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1448	DELTAV8.exe
Token: SeDebugPrivilege	1448	DELTAV8.exe

C:\Users\Admin\AppData\Local\Temp\DELTAV8.exe
"C:\Users\Admin\AppData\Local\Temp\DELTAV8.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1448-0-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

Filesize
4KB

Download
memory/1448-1-0x00000000003A0000-0x00000000003CC000-memory.dmp

Filesize
176KB

Download
memory/1448-5-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/1448-6-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads