xworm | 571cfccf544e14d1f2c142869bbfa626efdb3bdc51f14218340ade7ec4dc7e7f

Analysis

max time kernel
146s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
15-07-2024 14:16

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General

Target

New folder/XClient - Copy (14).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
behavioral5/memory/1376-1-0x0000000000F40000-0x0000000000F56000-memory.dmp	family_xworm
behavioral5/files/0x000300000002aa2f-4.dat	family_xworm

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

Executes dropped EXE 3 IoCs

pid	Process
4156	$77-penisware-cumedition.exe
1040	$77-penisware-cumedition.exe
1460	$77-penisware-cumedition.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
4088	schtasks.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	XClient - Copy (14).exe
Token: SeDebugPrivilege	1376	XClient - Copy (14).exe
Token: SeDebugPrivilege	4156	$77-penisware-cumedition.exe
Token: SeDebugPrivilege	1040	$77-penisware-cumedition.exe
Token: SeDebugPrivilege	1460	$77-penisware-cumedition.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 4088	1376	XClient - Copy (14).exe	83
PID 1376 wrote to memory of 4088	1376	XClient - Copy (14).exe	83

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 (14).exe
"C:\Users\Admin\AppData\Local\Temp\New folder\XClient - Copy (14).exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376
- 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:4088

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:4156

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:1040

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:1460

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\$77-penisware-cumedition.exe.log

Filesize
654B

MD5
2cbbb74b7da1f720b48ed31085cbd5b8

SHA1
79caa9a3ea8abe1b9c4326c3633da64a5f724964

SHA256
e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

SHA512
ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

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

Filesize
63KB

MD5
2ec6a81606494f96a98e62ea7bbf370a

SHA1
c11efe9e36f56b9187547b83a82aec7d53ca8a0f

SHA256
d9ae6b8d1057175b7fec23351b5731f54286bda4c7990b4d05a4790a22054f1f

SHA512
147020aa1336583b66d265de731643ba463323716936a836ae0c0b8322bf389b5effa56701e636d547def03f0e83ca00a6acf73cc3320b1eefce0d2756f785f4

Download Submit
memory/1376-0-0x00007FFE68CB3000-0x00007FFE68CB5000-memory.dmp

Filesize
8KB

Download
memory/1376-1-0x0000000000F40000-0x0000000000F56000-memory.dmp

Filesize
88KB

Download
memory/1376-3-0x00007FFE68CB0000-0x00007FFE69772000-memory.dmp

Filesize
10.8MB

Download
memory/1376-6-0x00007FFE68CB3000-0x00007FFE68CB5000-memory.dmp

Filesize
8KB

Download
memory/1376-10-0x00007FFE68CB0000-0x00007FFE69772000-memory.dmp

Filesize
10.8MB

Download
memory/4156-7-0x00007FFE68CB0000-0x00007FFE69772000-memory.dmp

Filesize
10.8MB

Download
memory/4156-9-0x00007FFE68CB0000-0x00007FFE69772000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads