xworm | 10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d

Resubmissions

23/06/2024, 14:41 UTC

240623-r2vtqsvbqg 10

23/06/2024, 14:41 UTC

240623-r2laasybkp 10

23/06/2024, 12:34 UTC

240623-prw8pszgqg 10

Analysis

max time kernel
985s
max time network
951s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23/06/2024, 12:34 UTC

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General

Target

Recycle Bin.exe
Size

66KB
MD5

0680a239ba405c1935c687ebdf6d4540
SHA1

bf2cc8de357fe1af9888e120e1c139ca2bc77c15
SHA256

10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d
SHA512

09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73
SSDEEP

1536:44Sw2KfDxiZcy2fdbdFSQ37E6vObaKjG:4OL1yGdbdF5ZObPG

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

medical-m.gl.at.ply.gg:28857

Attributes

Install_directory
%ProgramData%
install_file
Runtime Broker.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2596-1-0x00000000000C0000-0x00000000000D6000-memory.dmp	family_xworm
behavioral2/files/0x000c000000023408-59.dat	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3164	powershell.exe
4476	powershell.exe
2912	powershell.exe
3504	powershell.exe

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	Recycle Bin.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 16 IoCs

pid	Process
1972	Runtime Broker.exe
4292	Runtime Broker.exe
3088	Runtime Broker.exe
4952	Runtime Broker.exe
4404	Runtime Broker.exe
3408	Runtime Broker.exe
2104	Runtime Broker.exe
3164	Runtime Broker.exe
3704	Runtime Broker.exe
3228	Runtime Broker.exe
3520	Runtime Broker.exe
952	Runtime Broker.exe
740	Runtime Broker.exe
2532	Runtime Broker.exe
1688	Runtime Broker.exe
2192	Runtime Broker.exe

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Runtime Broker = "C:\\ProgramData\\Runtime Broker.exe"	Recycle Bin.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	ip-api.com

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
2692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3164	powershell.exe
3164	powershell.exe
4476	powershell.exe
4476	powershell.exe
2912	powershell.exe
2912	powershell.exe
3504	powershell.exe
3504	powershell.exe
2596	Recycle Bin.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	Recycle Bin.exe
Token: SeDebugPrivilege	3164	powershell.exe
Token: SeDebugPrivilege	4476	powershell.exe
Token: SeDebugPrivilege	2912	powershell.exe
Token: SeDebugPrivilege	3504	powershell.exe
Token: SeDebugPrivilege	2596	Recycle Bin.exe
Token: SeDebugPrivilege	1972	Runtime Broker.exe
Token: SeDebugPrivilege	4292	Runtime Broker.exe
Token: SeDebugPrivilege	3088	Runtime Broker.exe
Token: SeDebugPrivilege	4952	Runtime Broker.exe
Token: SeDebugPrivilege	4404	Runtime Broker.exe
Token: SeDebugPrivilege	3408	Runtime Broker.exe
Token: SeDebugPrivilege	2104	Runtime Broker.exe
Token: SeDebugPrivilege	3164	Runtime Broker.exe
Token: SeDebugPrivilege	3704	Runtime Broker.exe
Token: SeDebugPrivilege	3228	Runtime Broker.exe
Token: SeDebugPrivilege	3520	Runtime Broker.exe
Token: SeDebugPrivilege	952	Runtime Broker.exe
Token: SeDebugPrivilege	740	Runtime Broker.exe
Token: SeDebugPrivilege	2532	Runtime Broker.exe
Token: SeDebugPrivilege	1688	Runtime Broker.exe
Token: SeDebugPrivilege	2192	Runtime Broker.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2596	Recycle Bin.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 3164	2596	Recycle Bin.exe	81
PID 2596 wrote to memory of 3164	2596	Recycle Bin.exe	81
PID 2596 wrote to memory of 4476	2596	Recycle Bin.exe	83
PID 2596 wrote to memory of 4476	2596	Recycle Bin.exe	83
PID 2596 wrote to memory of 2912	2596	Recycle Bin.exe	85
PID 2596 wrote to memory of 2912	2596	Recycle Bin.exe	85
PID 2596 wrote to memory of 3504	2596	Recycle Bin.exe	87
PID 2596 wrote to memory of 3504	2596	Recycle Bin.exe	87
PID 2596 wrote to memory of 2692	2596	Recycle Bin.exe	89
PID 2596 wrote to memory of 2692	2596	Recycle Bin.exe	89

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\Recycle Bin.exe
"C:\Users\Admin\AppData\Local\Temp\Recycle Bin.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:2596
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Recycle Bin.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3164
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Recycle Bin.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4476
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Runtime Broker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2912
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Runtime Broker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3504
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Runtime Broker" /tr "C:\ProgramData\Runtime Broker.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2692

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1972

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4292

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3088

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4952

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4404

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3408

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2104

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3164

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3704

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3228

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3520

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:952

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:740

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2532

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1688

C:\ProgramData\Runtime Broker.exe
"C:\ProgramData\Runtime Broker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2192

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR
DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR
DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR
DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR
DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR
DNS

ip-api.com

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

ip-api.com

IN A
DNS

ip-api.com

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

ip-api.com

IN A
DNS

ip-api.com

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

ip-api.com

IN A
DNS

ip-api.com

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

ip-api.com

IN A
DNS

ip-api.com

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

ip-api.com

IN A
DNS

medical-m.gl.at.ply.gg

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

medical-m.gl.at.ply.gg

IN A
DNS

medical-m.gl.at.ply.gg

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

medical-m.gl.at.ply.gg

IN A
DNS

medical-m.gl.at.ply.gg

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

medical-m.gl.at.ply.gg

IN A
DNS

medical-m.gl.at.ply.gg

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

medical-m.gl.at.ply.gg

IN A
DNS

medical-m.gl.at.ply.gg

Recycle Bin.exe

Remote address:

8.8.8.8:53

Request

medical-m.gl.at.ply.gg

IN A

No results found

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

330 B
5

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

ip-api.com

dns

Recycle Bin.exe

280 B
5

DNS Request

ip-api.com

DNS Request

ip-api.com

DNS Request

ip-api.com

DNS Request

ip-api.com

DNS Request

ip-api.com
8.8.8.8:53

medical-m.gl.at.ply.gg

dns

Recycle Bin.exe

340 B
5

DNS Request

medical-m.gl.at.ply.gg

DNS Request

medical-m.gl.at.ply.gg

DNS Request

medical-m.gl.at.ply.gg

DNS Request

medical-m.gl.at.ply.gg

DNS Request

medical-m.gl.at.ply.gg

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Runtime Broker.exe

Filesize
66KB

MD5
0680a239ba405c1935c687ebdf6d4540

SHA1
bf2cc8de357fe1af9888e120e1c139ca2bc77c15

SHA256
10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d

SHA512
09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Runtime Broker.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
51cf8df21f531e31f7740b4ec487a48a

SHA1
40c6a73b22d71625a62df109aefc92a5f9b9d13e

SHA256
263d9b98a897d1d66da4832af640c4bf5ab0ae91125ba12243453dfe714f3d0d

SHA512
57a85461f6ea96b26a8b53d3a9cca18543e4ddbe996e8f412fc4cf7cf6e9ffe558c96da7b322a42f18bef62020e65aee119bed6102f75e2f605df09b02ec6368

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
340b40d863485995ea7eaab9c386dc21

SHA1
47c7de08001050abece764110b8cc028e3c9cb8f

SHA256
5087735f420e1649e208017b143c45d25893b36fe32fd4fa7c97cebf5fe87f19

SHA512
1d007bfeca3aee0312cc64db448746db3153b4a7d77997d3d63b0bc7efe646dc6ebc1ba5fc1a0f62f48c18cdb07d8c0343d1433c13f7ecd62dc281d018d45eed

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uaidtlic.u1w.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2596-1-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2596-2-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp

Filesize
10.8MB

Download
memory/2596-4-0x00007FFB82733000-0x00007FFB82735000-memory.dmp

Filesize
8KB

Download
memory/2596-0-0x00007FFB82733000-0x00007FFB82735000-memory.dmp

Filesize
8KB

Download
memory/2596-58-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp

Filesize
10.8MB

Download
memory/3164-3-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp

Filesize
10.8MB

Download
memory/3164-19-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp

Filesize
10.8MB

Download
memory/3164-15-0x000001E461DB0000-0x000001E461DD2000-memory.dmp

Filesize
136KB

Download
memory/3164-16-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp

Filesize
10.8MB

Download
memory/3164-5-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp

Filesize
10.8MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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