xworm | 73c6fa2e52043649f60d92324da6b3668553539f4c6b43f595e4e093f7883934

General

Target

PJsPp3e.exe
Size

43KB
MD5

ea69167000ca8cd93a6f327c19a1c7c9
SHA1

2af8e932bd1a6bf0c0074ef98e12bc34c26f8994
SHA256

73c6fa2e52043649f60d92324da6b3668553539f4c6b43f595e4e093f7883934
SHA512

5291d96024760668e525b2ef97b8b41f83d94d15911acbf1b82b970a1d5a8647fe78a779df46c83bac2a471b7fbd512942aa841d680447e63af8a4db0735d3c9
SSDEEP

768:tlqRZ9SFb+U89ORdtwDTUF59EWlOChlf9dTsL:tERZ9q1HtgQF59EWlOC7VlsL

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:6666

5.180.155.29:6666

Mutex

QPPP7ypX2vFWlxk3

Attributes

Install_directory
%AppData%
install_file
USB.exe
telegram
https://api.telegram.org/bot8016176478:AAGVLtLncU8-ZLd-P86FqeQzAOXJybu2R9g/sendMessage?chat_id=5165347769

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/220-1-0x00000000006D0000-0x00000000006E2000-memory.dmp	family_xworm
behavioral1/files/0x00090000000242a4-8.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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	PJsPp3e.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ssvchost.lnk	PJsPp3e.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ssvchost.lnk	PJsPp3e.exe

Executes dropped EXE 2 IoCs

pid	Process
652	ssvchost
5832	ssvchost

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-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ssvchost = "C:\\Users\\Admin\\AppData\\Roaming\\ssvchost"	PJsPp3e.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
5040	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
220	PJsPp3e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	PJsPp3e.exe
Token: SeDebugPrivilege	652	ssvchost
Token: SeDebugPrivilege	5832	ssvchost

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
220	PJsPp3e.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 5040	220	PJsPp3e.exe	95
PID 220 wrote to memory of 5040	220	PJsPp3e.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\PJsPp3e.exe
"C:\Users\Admin\AppData\Local\Temp\PJsPp3e.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ssvchost" /tr "C:\Users\Admin\AppData\Roaming\ssvchost"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5040

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\ssvchost
1⤵
PID:4820

C:\Users\Admin\AppData\Roaming\ssvchost
C:\Users\Admin\AppData\Roaming\ssvchost
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:652

C:\Users\Admin\AppData\Roaming\ssvchost
C:\Users\Admin\AppData\Roaming\ssvchost
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5832

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\ssvchost.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Roaming\ssvchost

Filesize
43KB

MD5
ea69167000ca8cd93a6f327c19a1c7c9

SHA1
2af8e932bd1a6bf0c0074ef98e12bc34c26f8994

SHA256
73c6fa2e52043649f60d92324da6b3668553539f4c6b43f595e4e093f7883934

SHA512
5291d96024760668e525b2ef97b8b41f83d94d15911acbf1b82b970a1d5a8647fe78a779df46c83bac2a471b7fbd512942aa841d680447e63af8a4db0735d3c9

Download Submit
memory/220-0-0x00007FFE2AA73000-0x00007FFE2AA75000-memory.dmp

Filesize
8KB

Download
memory/220-1-0x00000000006D0000-0x00000000006E2000-memory.dmp

Filesize
72KB

Download
memory/220-5-0x00007FFE2AA70000-0x00007FFE2B531000-memory.dmp

Filesize
10.8MB

Download
memory/220-6-0x00007FFE2AA73000-0x00007FFE2AA75000-memory.dmp

Filesize
8KB

Download
memory/220-7-0x00007FFE2AA70000-0x00007FFE2B531000-memory.dmp

Filesize
10.8MB

Download
memory/652-10-0x00007FFE2AA70000-0x00007FFE2B531000-memory.dmp

Filesize
10.8MB

Download
memory/652-12-0x00007FFE2AA70000-0x00007FFE2B531000-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