xworm | 5e2867075ab2ebe3b5d8b1648edabbf490a04ffc7de8808af20ae7729bc78950

Analysis

max time kernel
103s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2024, 21:12

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General

Target

5e2867075ab2ebe3b5d8b1648edabbf490a04ffc7de8808af20ae7729bc78950N.exe
Size

2.6MB
MD5

ea05c6995e79aae43764232ef54421f0
SHA1

8b6c4ec447bac2dddda3cd217fb694167999f845
SHA256

5e2867075ab2ebe3b5d8b1648edabbf490a04ffc7de8808af20ae7729bc78950
SHA512

e8c93c4d0c019ad8240dafe38e178346f334a9274faec09affc344cbd89d88761ad38531a309ca50068e995b4619f8be65d1acf91ee1565262be33ebce8f9556
SSDEEP

24576:Z5UPamUFkoXq5W3CQutB4a3R+Bolg0n1SIO/WmnlmSjviIGLnr5UekMl2:Z54amUuoXKOsB49l0nwI7mRGLdmMs

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

lJwpD1fBYJSaarUE

Attributes

Install_directory
%Public%
install_file
Windows Security Health Host.exe
pastebin_url
https://pastebin.com/raw/nV1XKCv3

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023cc0-5.dat	family_xworm
behavioral2/memory/2744-8-0x00000000000A0000-0x00000000000B0000-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\Windows Security Health Host.lnk	Windows Security Health Host.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Security Health Host.lnk	Windows Security Health Host.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	Windows Security Health Host.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Security Health Host = "C:\\Users\\Public\\Windows Security Health Host.exe"	Windows Security Health Host.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
14	pastebin.com
15	pastebin.com

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	Windows Security Health Host.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2744	1924	5e2867075ab2ebe3b5d8b1648edabbf490a04ffc7de8808af20ae7729bc78950N.exe	83
PID 1924 wrote to memory of 2744	1924	5e2867075ab2ebe3b5d8b1648edabbf490a04ffc7de8808af20ae7729bc78950N.exe	83
PID 1924 wrote to memory of 4640	1924	5e2867075ab2ebe3b5d8b1648edabbf490a04ffc7de8808af20ae7729bc78950N.exe	84
PID 1924 wrote to memory of 4640	1924	5e2867075ab2ebe3b5d8b1648edabbf490a04ffc7de8808af20ae7729bc78950N.exe	84

C:\Users\Admin\AppData\Local\Temp\5e2867075ab2ebe3b5d8b1648edabbf490a04ffc7de8808af20ae7729bc78950N.exe
"C:\Users\Admin\AppData\Local\Temp\5e2867075ab2ebe3b5d8b1648edabbf490a04ffc7de8808af20ae7729bc78950N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Users\Public\Windows Security Health Host.exe
  "C:\Users\Public\Windows Security Health Host.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\0cc962ad51fd9c93.bat
  2⤵
  PID:4640

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\0cc962ad51fd9c93.bat

Filesize
250B

MD5
cb467f0e0d7bc73e3b8e1126c2e273f0

SHA1
f247aa569900d40e13ca8f9210e21fe8cfe56581

SHA256
0797c79d3868525b797c3ef795b19ac5633f589195d7606eeb8cca8bb628d9c0

SHA512
7f67cf3b27d15d6e364ea7a3d2f8566dadd79f178419601b926ed2a64ea1cfa35afc22bd44a365c28911504c8e553ae5c84cf3a551e840f1dbc6ef1e3a4bc21d

Download Submit
C:\Users\Public\Windows Security Health Host.exe

Filesize
35KB

MD5
4400b6dbc77dba5e73353c79703c0ef4

SHA1
7055d515d337f16a7f393a51fab90717149e4fda

SHA256
06f1dbe2f0a5f63da62f733a3225cb1c6420b3f900862ff5aa933676e1e131c4

SHA512
97930c9612742333436529a4c758e4f0b475a80787f1cf22e6ac3a96dd0fe15d80b1486c094e5d9e716d119f38260508b0efe0daf9984e8d8a06d78282e13fd6

Download Submit
memory/2744-7-0x00007FFEC6CD3000-0x00007FFEC6CD5000-memory.dmp

Filesize
8KB

Download
memory/2744-8-0x00000000000A0000-0x00000000000B0000-memory.dmp

Filesize
64KB

Download
memory/2744-11-0x00007FFEC6CD0000-0x00007FFEC7791000-memory.dmp

Filesize
10.8MB

Download
memory/2744-12-0x00007FFEC6CD3000-0x00007FFEC6CD5000-memory.dmp

Filesize
8KB

Download
memory/2744-13-0x00007FFEC6CD0000-0x00007FFEC7791000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads