xworm | 571cfccf544e14d1f2c142869bbfa626efdb3bdc51f14218340ade7ec4dc7e7f

Analysis

max time kernel
251s
max time network
286s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 14:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

New folder/XClient - Copy (7).exe
Size

63KB
MD5

2ec6a81606494f96a98e62ea7bbf370a
SHA1

c11efe9e36f56b9187547b83a82aec7d53ca8a0f
SHA256

d9ae6b8d1057175b7fec23351b5731f54286bda4c7990b4d05a4790a22054f1f
SHA512

147020aa1336583b66d265de731643ba463323716936a836ae0c0b8322bf389b5effa56701e636d547def03f0e83ca00a6acf73cc3320b1eefce0d2756f785f4
SSDEEP

1536:5NQxMwbdqmz+cwBOjjkbXJO6Yq9xMO23WxD:rQSiomz+cw8jjkbXAWuO23AD

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

father-status.gl.at.ply.gg:64204

Attributes

Install_directory
%AppData%
install_file
$77-penisware-cumedition.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral28/memory/3304-1-0x0000000000290000-0x00000000002A6000-memory.dmp	family_xworm
behavioral28/files/0x000b00000002338a-4.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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	XClient - Copy (7).exe

Executes dropped EXE 4 IoCs

pid	Process
3236	$77-penisware-cumedition.exe
3320	$77-penisware-cumedition.exe
4372	$77-penisware-cumedition.exe
64	$77-penisware-cumedition.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4748	timeout.exe

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
932	schtasks.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3304	XClient - Copy (7).exe
Token: SeDebugPrivilege	3304	XClient - Copy (7).exe
Token: SeDebugPrivilege	3236	$77-penisware-cumedition.exe
Token: SeDebugPrivilege	3320	$77-penisware-cumedition.exe
Token: SeDebugPrivilege	4372	$77-penisware-cumedition.exe
Token: SeDebugPrivilege	64	$77-penisware-cumedition.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 932	3304	XClient - Copy (7).exe	86
PID 3304 wrote to memory of 932	3304	XClient - Copy (7).exe	86
PID 3304 wrote to memory of 3140	3304	XClient - Copy (7).exe	95
PID 3304 wrote to memory of 3140	3304	XClient - Copy (7).exe	95
PID 3304 wrote to memory of 380	3304	XClient - Copy (7).exe	97
PID 3304 wrote to memory of 380	3304	XClient - Copy (7).exe	97
PID 380 wrote to memory of 4748	380	cmd.exe	99
PID 380 wrote to memory of 4748	380	cmd.exe	99

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\New folder\XClient - Copy (7).exe
"C:\Users\Admin\AppData\Local\Temp\New folder\XClient - Copy (7).exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "$77-penisware-cumedition" /tr "C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:932
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "$77-penisware-cumedition"
  2⤵
  PID:3140
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp37B6.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:380
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4748

C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe
C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3236

C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe
C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3320

C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe
C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4372

C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe
C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:64

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\$77-penisware-cumedition.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp37B6.tmp.bat

Filesize
181B

MD5
dadb65747d516d7a76983481a7daef75

SHA1
41293d56ea53937cae42080fbafc840e1f5914ee

SHA256
3f1b6e3e4997fcbf42a1715677779ad378e00a35afec9ff8c1699c4f57469b42

SHA512
8438f2f38ab865f5e69cfd59d96c3d5054a88af75ede4a1f0246d19d0da8e87be60bf3922e53d290f5857d6773ff909780c79fd49f3774393090042a4f76b087

Download Submit
C:\Users\Admin\AppData\Roaming\$77-penisware-cumedition.exe

Filesize
63KB

MD5
2ec6a81606494f96a98e62ea7bbf370a

SHA1
c11efe9e36f56b9187547b83a82aec7d53ca8a0f

SHA256
d9ae6b8d1057175b7fec23351b5731f54286bda4c7990b4d05a4790a22054f1f

SHA512
147020aa1336583b66d265de731643ba463323716936a836ae0c0b8322bf389b5effa56701e636d547def03f0e83ca00a6acf73cc3320b1eefce0d2756f785f4

Download Submit
memory/3236-6-0x00007FFE0A690000-0x00007FFE0B151000-memory.dmp

Filesize
10.8MB

Download
memory/3236-8-0x00007FFE0A690000-0x00007FFE0B151000-memory.dmp

Filesize
10.8MB

Download
memory/3304-0-0x00007FFE0A693000-0x00007FFE0A695000-memory.dmp

Filesize
8KB

Download
memory/3304-1-0x0000000000290000-0x00000000002A6000-memory.dmp

Filesize
88KB

Download
memory/3304-3-0x00007FFE0A690000-0x00007FFE0B151000-memory.dmp

Filesize
10.8MB

Download
memory/3304-9-0x00007FFE0A693000-0x00007FFE0A695000-memory.dmp

Filesize
8KB

Download
memory/3304-10-0x00007FFE0A690000-0x00007FFE0B151000-memory.dmp

Filesize
10.8MB

Download
memory/3304-18-0x00007FFE0A690000-0x00007FFE0B151000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads