xworm | a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6

Analysis

max time kernel
3s
max time network
350s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 21:51

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Reason

Machine shutdown

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General

Target

sv.exe
Size

63KB
MD5

c095a62b525e62244cad230e696028cf
SHA1

67232c186d3efe248b540f1f2fe3382770b5074a
SHA256

a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6
SHA512

5ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0
SSDEEP

1536:unjFXblMp3wgDkbivVSm16KTOKjLIJXc:unrAwgDkbicmbOKj0JM

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

amount-acceptance.gl.at.ply.gg:7420

Attributes

Install_directory
%ProgramData%
install_file
svhost.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral3/memory/2660-1-0x0000000000060000-0x0000000000076000-memory.dmp family_xworm
C:\ProgramData\svhost.exe 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

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

2548 powershell.exe
2004 powershell.exe
1772 powershell.exe
4208 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

Processes:

sv.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation sv.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

Processes:

schtasks.exe

pid process

3776 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exepowershell.exe

pid process

2548 powershell.exe
2548 powershell.exe
2004 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

sv.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2660 sv.exe
Token: SeDebugPrivilege 2548 powershell.exe
Token: SeDebugPrivilege 2004 powershell.exe

resource	yara_rule
behavioral3/memory/2660-1-0x0000000000060000-0x0000000000076000-memory.dmp	family_xworm
C:\ProgramData\svhost.exe	family_xworm

pid	process
2548	powershell.exe
2004	powershell.exe
1772	powershell.exe
4208	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	sv.exe

pid	process
3776	schtasks.exe

pid	process
2548	powershell.exe
2548	powershell.exe
2004	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2660	sv.exe
Token: SeDebugPrivilege	2548	powershell.exe
Token: SeDebugPrivilege	2004	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

sv.exe

description	pid	process	target process
PID 2660 wrote to memory of 2548	2660	sv.exe	powershell.exe
PID 2660 wrote to memory of 2548	2660	sv.exe	powershell.exe
PID 2660 wrote to memory of 2004	2660	sv.exe	powershell.exe
PID 2660 wrote to memory of 2004	2660	sv.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\sv.exe
"C:\Users\Admin\AppData\Local\Temp\sv.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660

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\sv.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2548

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'sv.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svhost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
PID:1772

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
PID:4208

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svhost" /tr "C:\ProgramData\svhost.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:3776

C:\Windows\SYSTEM32\shutdown.exe
shutdown.exe /f /s /t 0
2⤵
PID:3732

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:4544

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:1360

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:772

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:3628

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:3780

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:4708

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39b8055 /state1:0x41c64e6d
1⤵
PID:3856

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\ProgramData\svhost.exe
Filesize
63KB

MD5
c095a62b525e62244cad230e696028cf

SHA1
67232c186d3efe248b540f1f2fe3382770b5074a

SHA256
a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6

SHA512
5ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0

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\CLR_v4.0\UsageLogs\svhost.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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
22310ad6749d8cc38284aa616efcd100

SHA1
440ef4a0a53bfa7c83fe84326a1dff4326dcb515

SHA256
55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

SHA512
2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
04f1d68afbed6b13399edfae1e9b1472

SHA1
8bfdcb687a995e4a63a8c32df2c66dc89f91a8b0

SHA256
f358f33a42122e97c489fad7bbc8beab2eb42d42e4ec7fce0dd61fe6d8c0b8de

SHA512
30c5e72a8134992094d937d2588f7a503b1d6407d11afe0265b7c8b0ce14071925e5caed13fc4f9c28705df4c7aed3601f81b007048b148af274d7784aa5fb75

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rcz4wux0.rzb.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2548-12-0x00007FFA73BC0000-0x00007FFA74681000-memory.dmp

Filesize
10.8MB

Download
memory/2548-17-0x00007FFA73BC0000-0x00007FFA74681000-memory.dmp

Filesize
10.8MB

Download
memory/2548-16-0x00007FFA73BC0000-0x00007FFA74681000-memory.dmp

Filesize
10.8MB

Download
memory/2548-13-0x00007FFA73BC0000-0x00007FFA74681000-memory.dmp

Filesize
10.8MB

Download
memory/2548-2-0x0000020C1D7B0000-0x0000020C1D7D2000-memory.dmp

Filesize
136KB

Download
memory/2660-0-0x00007FFA73BC3000-0x00007FFA73BC5000-memory.dmp

Filesize
8KB

Download
memory/2660-56-0x00007FFA73BC0000-0x00007FFA74681000-memory.dmp

Filesize
10.8MB

Download
memory/2660-60-0x00007FFA73BC0000-0x00007FFA74681000-memory.dmp

Filesize
10.8MB

Download
memory/2660-1-0x0000000000060000-0x0000000000076000-memory.dmp

Filesize
88KB

Download
memory/2660-65-0x00000000009E0000-0x00000000009EA000-memory.dmp

Filesize
40KB

Download
memory/2660-69-0x00007FFA73BC0000-0x00007FFA74681000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads