xworm | 31dfb42cde129b009abfa9dfa7ff5028df923c6fe87520f49cd33a3af14dccfb

General

Target

XClient77777.exe
Size

35KB
MD5

5ea0f5924111a1694b717407703b660f
SHA1

e9c88fbd4a5d00461c18cb44b2c222df45943e22
SHA256

31dfb42cde129b009abfa9dfa7ff5028df923c6fe87520f49cd33a3af14dccfb
SHA512

15aee130c32a50e40ff1347687741e32bb450074fd83288d515dd6ce2bb7047c093c89bb058b8e3226cd39d4ad5fc5e015b1c26286f11d217d9010e5485924fa
SSDEEP

768:jDMfF7zLKYs2Byj5zuddqLb9Fk9wmAO/hZ/y2p:jkF7HKYs/1Md8Fk9wmAO/Xq2p

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

any-attraction.gl.at.ply.gg:27770

Mutex

uSx0YbbkrTZOubR8

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4464-1-0x0000000000CE0000-0x0000000000CF0000-memory.dmp	family_xworm
behavioral2/files/0x000a00000001e6af-8.dat	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
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-1-5-21-1170604239-850860757-3112005715-1000\Control Panel\International\Geo\Nation	XClient77777.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Hacked By Mikey.lnk	XClient77777.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Hacked By Mikey.lnk	XClient77777.exe

Executes dropped EXE 2 IoCs

pid	Process
4012	Hacked By Mikey
720	Hacked By Mikey

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-1-5-21-1170604239-850860757-3112005715-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hacked By Mikey = "C:\\Users\\Admin\\AppData\\Roaming\\Hacked By Mikey"	XClient77777.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
1592	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4464	XClient77777.exe
Token: SeDebugPrivilege	4012	Hacked By Mikey
Token: SeDebugPrivilege	720	Hacked By Mikey

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 1592	4464	XClient77777.exe	95
PID 4464 wrote to memory of 1592	4464	XClient77777.exe	95

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\XClient77777.exe
"C:\Users\Admin\AppData\Local\Temp\XClient77777.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Hacked By Mikey" /tr "C:\Users\Admin\AppData\Roaming\Hacked By Mikey"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1592

C:\Users\Admin\AppData\Roaming\Hacked By Mikey
"C:\Users\Admin\AppData\Roaming\Hacked By Mikey"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4012

C:\Users\Admin\AppData\Roaming\Hacked By Mikey
"C:\Users\Admin\AppData\Roaming\Hacked By Mikey"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Hacked By Mikey.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Roaming\Hacked By Mikey

Filesize
35KB

MD5
5ea0f5924111a1694b717407703b660f

SHA1
e9c88fbd4a5d00461c18cb44b2c222df45943e22

SHA256
31dfb42cde129b009abfa9dfa7ff5028df923c6fe87520f49cd33a3af14dccfb

SHA512
15aee130c32a50e40ff1347687741e32bb450074fd83288d515dd6ce2bb7047c093c89bb058b8e3226cd39d4ad5fc5e015b1c26286f11d217d9010e5485924fa

Download Submit
memory/4012-10-0x00007FFF5D130000-0x00007FFF5DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/4012-12-0x00007FFF5D130000-0x00007FFF5DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/4464-0-0x00007FFF5D133000-0x00007FFF5D135000-memory.dmp

Filesize
8KB

Download
memory/4464-1-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

Filesize
64KB

Download
memory/4464-5-0x00007FFF5D130000-0x00007FFF5DBF1000-memory.dmp

Filesize
10.8MB

Download
memory/4464-6-0x00007FFF5D133000-0x00007FFF5D135000-memory.dmp

Filesize
8KB

Download
memory/4464-7-0x00007FFF5D130000-0x00007FFF5DBF1000-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