xworm | 68efdfdeac91a17294a6ba6bc6add40ac73d7e497ab6db19c5b551312feddadb

Reason

Machine shutdown

General

Target

Spyroid.exe
Size

87.5MB
MD5

79c831492a1ed34de3981a4d7d9bbd27
SHA1

5e05779ae69dd6ee50b6e7ecda51dce68395ca9d
SHA256

68efdfdeac91a17294a6ba6bc6add40ac73d7e497ab6db19c5b551312feddadb
SHA512

abb457b98db97721b09f67a922fce90d4a02913659105017ad8d47d14e2e820a8a21ee5f9fafeb2a5387a8c55f8459a7b891bf5bf59908e5f6d6f46ba7300969
SSDEEP

1572864:ScM5s/QINBarKKil516uxmsPw/XfP6nryphJK8fZiLw++Kr1h4BZs/353xgebe5U:SV6FvaMLTxmn/3kek8Bi9r16BZs/3BHf

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

church-insight.gl.at.ply.gg:54667

Attributes

Install_directory
%ProgramData%
install_file
ntoskrnl.exe

Signatures

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral1/memory/72-223-0x000000001B6C0000-0x000000001B6CE000-memory.dmp	disable_win_def

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0004000000025a3f-17.dat	family_xworm
behavioral1/memory/72-26-0x00000000009C0000-0x00000000009D8000-memory.dmp	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
248	powershell.exe
4580	powershell.exe
1264	powershell.exe
3172	powershell.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 4 IoCs

pid	Process
2940	Spyroid-VIP.exe
72	Setuplol.exe
1608	ntoskrnl.exe
1244	ntoskrnl.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-1-5-21-131918955-2378418313-883382443-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntoskrnl = "C:\\ProgramData\\ntoskrnl.exe"	Setuplol.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
4680	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
248	powershell.exe
248	powershell.exe
4580	powershell.exe
4580	powershell.exe
1264	powershell.exe
1264	powershell.exe
3172	powershell.exe
3172	powershell.exe
72	Setuplol.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	72	Setuplol.exe
Token: SeDebugPrivilege	248	powershell.exe
Token: SeDebugPrivilege	4580	powershell.exe
Token: SeDebugPrivilege	2940	Spyroid-VIP.exe
Token: SeDebugPrivilege	1264	powershell.exe
Token: SeDebugPrivilege	3172	powershell.exe
Token: SeDebugPrivilege	72	Setuplol.exe
Token: SeDebugPrivilege	1608	ntoskrnl.exe
Token: SeDebugPrivilege	1244	ntoskrnl.exe
Token: SeShutdownPrivilege	72	Setuplol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
72	Setuplol.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 2940	1344	Spyroid.exe	81
PID 1344 wrote to memory of 2940	1344	Spyroid.exe	81
PID 1344 wrote to memory of 72	1344	Spyroid.exe	82
PID 1344 wrote to memory of 72	1344	Spyroid.exe	82
PID 72 wrote to memory of 248	72	Setuplol.exe	83
PID 72 wrote to memory of 248	72	Setuplol.exe	83
PID 72 wrote to memory of 4580	72	Setuplol.exe	85
PID 72 wrote to memory of 4580	72	Setuplol.exe	85
PID 72 wrote to memory of 1264	72	Setuplol.exe	87
PID 72 wrote to memory of 1264	72	Setuplol.exe	87
PID 72 wrote to memory of 3172	72	Setuplol.exe	89
PID 72 wrote to memory of 3172	72	Setuplol.exe	89
PID 72 wrote to memory of 4680	72	Setuplol.exe	94
PID 72 wrote to memory of 4680	72	Setuplol.exe	94

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\Spyroid.exe
"C:\Users\Admin\AppData\Local\Temp\Spyroid.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1344
- C:\ProgramData\Spyroid-VIP.exe
  "C:\ProgramData\Spyroid-VIP.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2940
- C:\ProgramData\Setuplol.exe
  "C:\ProgramData\Setuplol.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:72
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Setuplol.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:248
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Setuplol.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4580
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\ntoskrnl.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1264
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ntoskrnl.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3172
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ntoskrnl" /tr "C:\ProgramData\ntoskrnl.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4680

C:\ProgramData\ntoskrnl.exe
C:\ProgramData\ntoskrnl.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1608

C:\ProgramData\ntoskrnl.exe
C:\ProgramData\ntoskrnl.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Setuplol.exe

Filesize
72KB

MD5
c18db9a50df0d549d4d2bff80a41a6e7

SHA1
3509665cd49e5f1c88a52101189040288385bb5b

SHA256
6f627bff3762d69d03d9f3dadce5d693aebae17903e2366bc9b2a5eb74048124

SHA512
6b41651cd24e206a18bd39df1929afff937a2684c6f69dfb5ed16dc7fa245ccc04baa4c0c6ceb9a595c7f0bc77ad378a7543abf338a1a3a52d3c585e1985123a

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

Filesize
654B

MD5
2cbbb74b7da1f720b48ed31085cbd5b8

SHA1
79caa9a3ea8abe1b9c4326c3633da64a5f724964

SHA256
e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

SHA512
ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

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

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
050567a067ffea4eb40fe2eefebdc1ee

SHA1
6e1fb2c7a7976e0724c532449e97722787a00fec

SHA256
3952d5b543e5cb0cb84014f4ad9f5f1b7166f592d28640cbc3d914d0e6f41d2e

SHA512
341ad71ef7e850b10e229666312e4bca87a0ed9fe25ba4b0ab65661d5a0efa855db0592153106da07134d8fc2c6c0e44709bf38183c9a574a1fa543189971259

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

Filesize
944B

MD5
b773b6415d89a2dd9c9f63f33a701e00

SHA1
956f9ce7f03d46d42e2a337d5ddd1c95bb1119e9

SHA256
efdcb7187302f6bb39db8898f919214494755fbf7adc9a1ec1422101e4a4cbf1

SHA512
71f6c054bcd6808fbe6d5e7b3a692cb841311dda62c4f9cf3bf792ff61c6bc69b9c5ef3271d93266161f5106e10991720fc6e1dbdd0afe609ae98eea5210c022

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

Filesize
944B

MD5
2e8eb51096d6f6781456fef7df731d97

SHA1
ec2aaf851a618fb43c3d040a13a71997c25bda43

SHA256
96bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864

SHA512
0a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gjb4qtxs.pqg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/72-26-0x00000000009C0000-0x00000000009D8000-memory.dmp

Filesize
96KB

Download
memory/72-223-0x000000001B6C0000-0x000000001B6CE000-memory.dmp

Filesize
56KB

Download
memory/248-67-0x0000025D27090000-0x0000025D270B2000-memory.dmp

Filesize
136KB

Download
memory/1344-1-0x0000000000430000-0x0000000005BAC000-memory.dmp

Filesize
87.5MB

Download
memory/1344-0-0x00007FFFC9E83000-0x00007FFFC9E85000-memory.dmp

Filesize
8KB

Download
memory/2940-96-0x000000001DB20000-0x000000001DB2A000-memory.dmp

Filesize
40KB

Download
memory/2940-101-0x000000001DB20000-0x000000001DB2A000-memory.dmp

Filesize
40KB

Download
memory/2940-50-0x000000001D000000-0x0000000022018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-54-0x000000001D000000-0x0000000022018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-61-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-38-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2940-39-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2940-41-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2940-43-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2940-88-0x000000001DB10000-0x000000001DB1A000-memory.dmp

Filesize
40KB

Download
memory/2940-45-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2940-86-0x000000001DB10000-0x000000001DB1A000-memory.dmp

Filesize
40KB

Download
memory/2940-84-0x000000001DB10000-0x000000001DB1A000-memory.dmp

Filesize
40KB

Download
memory/2940-83-0x000000001DB10000-0x000000001DB1A000-memory.dmp

Filesize
40KB

Download
memory/2940-97-0x00007FFFD7AC0000-0x00007FFFD7C0F000-memory.dmp

Filesize
1.3MB

Download
memory/2940-49-0x000000001D000000-0x0000000022018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-100-0x000000001DB20000-0x000000001DB2A000-memory.dmp

Filesize
40KB

Download
memory/2940-99-0x000000001DB20000-0x000000001DB2A000-memory.dmp

Filesize
40KB

Download
memory/2940-103-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-105-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-104-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-108-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-109-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-107-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-110-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-111-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-112-0x000000002C000000-0x0000000031018000-memory.dmp

Filesize
80.1MB

Download
memory/2940-27-0x000000001ABF0000-0x000000001AD90000-memory.dmp

Filesize
1.6MB

Download
memory/2940-176-0x000000001E5F0000-0x000000001E612000-memory.dmp

Filesize
136KB

Download
memory/2940-28-0x000000001ABF0000-0x000000001AD90000-memory.dmp

Filesize
1.6MB

Download
memory/2940-29-0x000000001ABF0000-0x000000001AD90000-memory.dmp

Filesize
1.6MB

Download
memory/2940-22-0x00007FFFC9E80000-0x00007FFFCA942000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads