xworm | f75b5ccf024c6b5864cb895eaca2752655c7efd8a4166f37c3cce78cd1eefe5f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 21:52

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General

Target

WaveBootstrapper.exe
Size

35KB
MD5

da4409f90946c90d641df77659740b91
SHA1

b549b832c4ea720728cd0cac8ff8215a5449f8b5
SHA256

f75b5ccf024c6b5864cb895eaca2752655c7efd8a4166f37c3cce78cd1eefe5f
SHA512

8da081317453308066a3f0c0ef4d47f8aae31592cc7a756e063a92e4f3c74e551698e110b139e2e2632de1eb3b995cf7d2056ef177f8fa8bb7a2f3833b35a6a6
SSDEEP

768:PIiiy23/1RExoMvEiW8KVFyw9z61O/hry0:Pk3t0E78AFr9z61O/dt

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

later-employers.gl.at.ply.gg:4967

Mutex

1v70baxZofSbJNv2

Attributes

Install_directory
%AppData%
install_file
Windows.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/5052-1-0x00000000005B0000-0x00000000005C0000-memory.dmp	family_xworm
behavioral2/files/0x000c0000000233b4-9.dat	family_xworm

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

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-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	WaveBootstrapper.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
772	Windows.exe
4440	Windows.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4444	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5052	WaveBootstrapper.exe
Token: SeDebugPrivilege	5052	WaveBootstrapper.exe
Token: SeDebugPrivilege	772	Windows.exe
Token: SeDebugPrivilege	4440	Windows.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 4444	5052	WaveBootstrapper.exe	86
PID 5052 wrote to memory of 4444	5052	WaveBootstrapper.exe	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\WaveBootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\WaveBootstrapper.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows" /tr "C:\Users\Admin\AppData\Roaming\Windows.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4444

C:\Users\Admin\AppData\Roaming\Windows.exe
C:\Users\Admin\AppData\Roaming\Windows.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:772

C:\Users\Admin\AppData\Roaming\Windows.exe
C:\Users\Admin\AppData\Roaming\Windows.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Windows.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

Filesize
35KB

MD5
da4409f90946c90d641df77659740b91

SHA1
b549b832c4ea720728cd0cac8ff8215a5449f8b5

SHA256
f75b5ccf024c6b5864cb895eaca2752655c7efd8a4166f37c3cce78cd1eefe5f

SHA512
8da081317453308066a3f0c0ef4d47f8aae31592cc7a756e063a92e4f3c74e551698e110b139e2e2632de1eb3b995cf7d2056ef177f8fa8bb7a2f3833b35a6a6

Download Submit
memory/772-11-0x00007FFB23AF0000-0x00007FFB245B1000-memory.dmp

Filesize
10.8MB

Download
memory/772-13-0x00007FFB23AF0000-0x00007FFB245B1000-memory.dmp

Filesize
10.8MB

Download
memory/5052-0-0x00007FFB23AF3000-0x00007FFB23AF5000-memory.dmp

Filesize
8KB

Download
memory/5052-1-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/5052-6-0x00007FFB23AF0000-0x00007FFB245B1000-memory.dmp

Filesize
10.8MB

Download
memory/5052-7-0x00007FFB23AF3000-0x00007FFB23AF5000-memory.dmp

Filesize
8KB

Download
memory/5052-8-0x00007FFB23AF0000-0x00007FFB245B1000-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