xworm | 6d57e053872d4d66c1dca942a63251ac56810397f53ba2cb0117ffc312e39979

Analysis

max time kernel
47s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20241007-it
resource tags

arch:x64arch:x86image:win10v2004-20241007-itlocale:it-itos:windows10-2004-x64systemwindows
submitted
24-01-2025 17:13

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General

Target

7.rar
Size

119KB
MD5

ec99d5e3c7b2201346dd109db3b9037b
SHA1

8fec0cffdcf7a3bb48ea3d918838d9cfa53b7978
SHA256

6d57e053872d4d66c1dca942a63251ac56810397f53ba2cb0117ffc312e39979
SHA512

162729966fa0c830639a1a91544043e22acca4afdf71072cb31530a53998666fcc781650195edf8a149d091ad774285bd5195ecf3690fc0d73315ffae9a7d62c
SSDEEP

3072:w7J44GyXatQ+fS/fkTNQN8pyEQf94Ky6pQqs8TQHs:4JRnk/KNuyEQCK2gss

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

feb-arrested.gl.at.ply.gg:17830

Attributes

Install_directory
%Temp%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023ba5-10.dat	family_xworm
behavioral1/memory/1444-19-0x0000000000920000-0x0000000000954000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
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
3016	powershell.exe
4752	powershell.exe
2644	powershell.exe
2244	powershell.exe

Checks computer location settings 2 TTPs 4 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Cloud.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	7.exe

Executes dropped EXE 6 IoCs

pid	Process
1480	7.exe
1444	Cloud.exe
3724	7.exe
1848	Cloud.exe
1828	7.exe
1184	Cloud.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe"	Cloud.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
22	ip-api.com

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

System Information Discovery
T1082

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	7.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	7.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	7.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3028	NOTEPAD.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
5048	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1444	Cloud.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3016	powershell.exe
3016	powershell.exe
4752	powershell.exe
4752	powershell.exe
2644	powershell.exe
2644	powershell.exe
2244	powershell.exe
2244	powershell.exe
1444	Cloud.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
548	7zFM.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeRestorePrivilege	548	7zFM.exe
Token: 35	548	7zFM.exe
Token: SeSecurityPrivilege	548	7zFM.exe
Token: SeDebugPrivilege	1444	Cloud.exe
Token: SeDebugPrivilege	3016	powershell.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeDebugPrivilege	2644	powershell.exe
Token: SeDebugPrivilege	2244	powershell.exe
Token: SeDebugPrivilege	1444	Cloud.exe
Token: SeDebugPrivilege	1848	Cloud.exe
Token: SeDebugPrivilege	1184	Cloud.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
548	7zFM.exe
548	7zFM.exe
3028	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 24 IoCs

pid	Process
4040	OpenWith.exe
4040	OpenWith.exe
4040	OpenWith.exe
4040	OpenWith.exe
4040	OpenWith.exe
1444	Cloud.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
652	OpenWith.exe
220	OpenWith.exe
220	OpenWith.exe
220	OpenWith.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 1444	1480	7.exe	86
PID 1480 wrote to memory of 1444	1480	7.exe	86
PID 4040 wrote to memory of 3028	4040	OpenWith.exe	92
PID 4040 wrote to memory of 3028	4040	OpenWith.exe	92
PID 1444 wrote to memory of 3016	1444	Cloud.exe	93
PID 1444 wrote to memory of 3016	1444	Cloud.exe	93
PID 1444 wrote to memory of 4752	1444	Cloud.exe	95
PID 1444 wrote to memory of 4752	1444	Cloud.exe	95
PID 1444 wrote to memory of 2644	1444	Cloud.exe	97
PID 1444 wrote to memory of 2644	1444	Cloud.exe	97
PID 1444 wrote to memory of 2244	1444	Cloud.exe	99
PID 1444 wrote to memory of 2244	1444	Cloud.exe	99
PID 1444 wrote to memory of 5048	1444	Cloud.exe	102
PID 1444 wrote to memory of 5048	1444	Cloud.exe	102
PID 3724 wrote to memory of 1848	3724	7.exe	108
PID 3724 wrote to memory of 1848	3724	7.exe	108
PID 1828 wrote to memory of 1184	1828	7.exe	112
PID 1828 wrote to memory of 1184	1828	7.exe	112

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:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\7.rar"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:548

C:\Users\Admin\Desktop\7.exe
"C:\Users\Admin\Desktop\7.exe"
1⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Users\Admin\AppData\Roaming\Cloud.exe
  "C:\Users\Admin\AppData\Roaming\Cloud.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1444
- - 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\Cloud.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3016
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Cloud.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4752
- - 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\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2644
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2244
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5048

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\uCRT.props
  2⤵
  - Opens file in notepad (likely ransom note)
  - Suspicious use of FindShellTrayWindow
  PID:3028

C:\Users\Admin\Desktop\7.exe
"C:\Users\Admin\Desktop\7.exe"
1⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Users\Admin\AppData\Roaming\Cloud.exe
  "C:\Users\Admin\AppData\Roaming\Cloud.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1848

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:652

C:\Users\Admin\Desktop\7.exe
"C:\Users\Admin\Desktop\7.exe"
1⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Users\Admin\AppData\Roaming\Cloud.exe
  "C:\Users\Admin\AppData\Roaming\Cloud.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1184

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:220

Network

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:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\7.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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
944B

MD5
96e3b86880fedd5afc001d108732a3e5

SHA1
8fc17b39d744a9590a6d5897012da5e6757439a3

SHA256
c3077e4cadb4ed246c02abe55aa6cf832fee4c2546b7addb7d22cd1c7c8c1294

SHA512
909b1968f7204fa7029109b02232d8cc5438f6b4dc7c9044e4e47c59fcee538199b13029e36592b12ed573d48a308dd4822d2ced4129ab08d4111897e02be55d

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

Filesize
944B

MD5
da5c82b0e070047f7377042d08093ff4

SHA1
89d05987cd60828cca516c5c40c18935c35e8bd3

SHA256
77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5

SHA512
7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rvpqb1kj.eng.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Cloud.exe

Filesize
186KB

MD5
bea3a6d3fe25fde4a5837129ff579eff

SHA1
90ab2a9b6692a7efeec4cad65bc449d6134087d9

SHA256
6bb2751248b7d9bf1076139d5abaee7bb6473e7375827052e68b6726cd6b80b8

SHA512
34f45e59d7587ff54c45d75d6df63109cc7c886ffb3de7820ac1db8236dafa5ad489c11338314121ba9829a7803d366aeea3833fbd0e99e02cc4a1cde0ae84c7

Download Submit
C:\Users\Admin\AppData\Roaming\uCRT.props

Filesize
1KB

MD5
8cac1e1cb5d67bffb3fb41970f8c67e6

SHA1
49c023a0b05c3ee689279be4a317daefbbd81577

SHA256
f41047413edf769db446309de1b83cebfe908ca82b50388b38bf575a19089316

SHA512
4421cb02e07851b2e3c050cf875c02d6b271309dc8db05e0ea8cb3d2cc21c533b77de091eac80d2f44e95ee88166edef313140383fc9515318e81412dfa59587

Download Submit
C:\Users\Admin\Desktop\7.exe

Filesize
302KB

MD5
ad169b56eca575c76b5c8662eaafe750

SHA1
8856d6a0532b62af6e6f8e1f6d86bb9433ea12d2

SHA256
b21970eb9efd571d0244356f6b6a96a612527e20b416747e8572c52d30ea5b57

SHA512
cb12c03c6f37e4853349f59470caf763c21dea36d189fb46a85178779df844f6e057080c5804b6441e3a7fbcc881bf60972a88d335a0db5d4fed0997bed5387b

Download Submit
memory/1444-19-0x0000000000920000-0x0000000000954000-memory.dmp

Filesize
208KB

Download
memory/1444-77-0x000000001D340000-0x000000001D34C000-memory.dmp

Filesize
48KB

Download
memory/1480-5-0x0000000000590000-0x00000000005E0000-memory.dmp

Filesize
320KB

Download
memory/1480-4-0x00007FFB5FC23000-0x00007FFB5FC25000-memory.dmp

Filesize
8KB

Download
memory/3016-34-0x00000205FD150000-0x00000205FD252000-memory.dmp

Filesize
1.0MB

Download
memory/3016-32-0x00000205FC5A0000-0x00000205FC5C2000-memory.dmp

Filesize
136KB

Download
memory/3016-33-0x00000205FC5E0000-0x00000205FC5F0000-memory.dmp

Filesize
64KB

Download
memory/3016-22-0x00000205FC600000-0x00000205FC682000-memory.dmp

Filesize
520KB

Download