xworm | 8b35e12a2d6b440fb45dbf5adeef1d889abafee43e344fba9024dc530c39a68d

Analysis

max time kernel
127s
max time network
137s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 13:47

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General

Target

Bootstrapper.exe
Size

1013KB
MD5

210507ba9a960b68093849ca1a606fed
SHA1

ec3966d9c975e408bdea6db0775ad39c8e2d081e
SHA256

8b35e12a2d6b440fb45dbf5adeef1d889abafee43e344fba9024dc530c39a68d
SHA512

9cc92ab8beb846ccd3ac7b21cad039d8f8895d41469db909344729ae518c71cd9b3ed6014bf9d41efa69e877b94c53cca46016472fe1b3c7b025cd7e006aeb49
SSDEEP

24576:tbFvHB0o0BEFrHBSXyCw8bAHjAqTil/NkiH3uZJ:dFJ0DEPrDAquL3s

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

vehicle-wed.gl.at.ply.gg:2355

Mutex

BB4UoRnpJNUmBuip

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/2692-12-0x00000000010C0000-0x00000000010CE000-memory.dmp	family_xworm
behavioral1/files/0x0008000000016c4a-11.dat	family_xworm

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

Executes dropped EXE 2 IoCs

pid	Process
2784	Bootstrapper.exe
2692	Windows Defender.exe

Loads dropped DLL 6 IoCs

pid	Process
2404	Bootstrapper.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.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	2784	Bootstrapper.exe
Token: SeDebugPrivilege	2692	Windows Defender.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2784	2404	Bootstrapper.exe	31
PID 2404 wrote to memory of 2784	2404	Bootstrapper.exe	31
PID 2404 wrote to memory of 2784	2404	Bootstrapper.exe	31
PID 2404 wrote to memory of 2692	2404	Bootstrapper.exe	32
PID 2404 wrote to memory of 2692	2404	Bootstrapper.exe	32
PID 2404 wrote to memory of 2692	2404	Bootstrapper.exe	32
PID 2784 wrote to memory of 2588	2784	Bootstrapper.exe	34
PID 2784 wrote to memory of 2588	2784	Bootstrapper.exe	34
PID 2784 wrote to memory of 2588	2784	Bootstrapper.exe	34

C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Roaming\Bootstrapper.exe
  "C:\Users\Admin\AppData\Roaming\Bootstrapper.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2784 -s 968
    3⤵
    - Loads dropped DLL
    PID:2588
- C:\Users\Admin\AppData\Roaming\Windows Defender.exe
  "C:\Users\Admin\AppData\Roaming\Windows Defender.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Bootstrapper.exe

Filesize
972KB

MD5
90fd25ced85fe6db28d21ae7d1f02e2c

SHA1
e27eff4cd4d383f5c564cce2bd1aaa2ffe4ec056

SHA256
97572bd57b08b59744e4dfe6f93fb96be4002dfe1aa78683771725401776464f

SHA512
1c775cf8dfde037eaa98eb14088c70d74923f0f6a83030a71f2f4c1a4453f6154dab7a4aa175e429860badda3e5e0ae226f3c3e8171332f5962bf36f8aa073fa

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Defender.exe

Filesize
30KB

MD5
eee376e8b052bca377e96ba01f3fbfdc

SHA1
23fd19d3c2b71a524bd20b981d00ce338ea23d92

SHA256
20d73ae92bcc492f15c65ddf64a7cbfb4f35b4fab527477238647cb6a4b20b15

SHA512
01788d7ef4c9aa10413691c3f247b0e505c5041426c6e9d9d943d3b52748d0d8b3b65d709998677a194357b476027f5f8c277681482afdbb81a90c2af970252c

Download Submit
memory/2404-0-0x000007FEF5473000-0x000007FEF5474000-memory.dmp

Filesize
4KB

Download
memory/2404-1-0x0000000000A60000-0x0000000000B64000-memory.dmp

Filesize
1.0MB

Download
memory/2692-12-0x00000000010C0000-0x00000000010CE000-memory.dmp

Filesize
56KB

Download
memory/2692-15-0x000007FEF5470000-0x000007FEF5E5C000-memory.dmp

Filesize
9.9MB

Download
memory/2692-21-0x000007FEF5470000-0x000007FEF5E5C000-memory.dmp

Filesize
9.9MB

Download
memory/2692-22-0x000007FEF5470000-0x000007FEF5E5C000-memory.dmp

Filesize
9.9MB

Download
memory/2784-14-0x00000000000F0000-0x00000000001EA000-memory.dmp

Filesize
1000KB

Download