xworm | a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6

Analysis

max time kernel
1796s
max time network
1769s
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 21:13

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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 persistence 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/3560-1-0x0000000000720000-0x0000000000736000-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

5116 powershell.exe
2572 powershell.exe
516 powershell.exe
1448 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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation sv.exe

resource	yara_rule
behavioral3/memory/3560-1-0x0000000000720000-0x0000000000736000-memory.dmp	family_xworm
C:\ProgramData\svhost.exe	family_xworm

pid	process
5116	powershell.exe
2572	powershell.exe
516	powershell.exe
1448	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	sv.exe

Drops startup file 2 IoCs

Processes:

sv.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk	sv.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk	sv.exe

Executes dropped EXE 30 IoCs

Processes:

svhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exe

pid	process
4528	svhost.exe
3668	svhost.exe
4360	svhost.exe
2248	svhost.exe
4604	svhost.exe
2388	svhost.exe
372	svhost.exe
4484	svhost.exe
2252	svhost.exe
2728	svhost.exe
4396	svhost.exe
1596	svhost.exe
5000	svhost.exe
3960	svhost.exe
4676	svhost.exe
4360	svhost.exe
408	svhost.exe
1048	svhost.exe
3916	svhost.exe
2768	svhost.exe
4136	svhost.exe
2328	svhost.exe
4356	svhost.exe
1232	svhost.exe
3932	svhost.exe
4772	svhost.exe
2512	svhost.exe
940	svhost.exe
1228	svhost.exe
4024	svhost.exe

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

sv.exe

description ioc process

Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\ProgramData\\svhost.exe" 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

2760 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

5116 powershell.exe
5116 powershell.exe
2572 powershell.exe
2572 powershell.exe
516 powershell.exe
516 powershell.exe
1448 powershell.exe
1448 powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\ProgramData\\svhost.exe"	sv.exe

pid	process
2760	schtasks.exe

pid	process
5116	powershell.exe
5116	powershell.exe
2572	powershell.exe
2572	powershell.exe
516	powershell.exe
516	powershell.exe
1448	powershell.exe
1448	powershell.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

Processes:

sv.exepowershell.exepowershell.exepowershell.exepowershell.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exe

description	pid	process
Token: SeDebugPrivilege	3560	sv.exe
Token: SeDebugPrivilege	5116	powershell.exe
Token: SeDebugPrivilege	2572	powershell.exe
Token: SeDebugPrivilege	516	powershell.exe
Token: SeDebugPrivilege	1448	powershell.exe
Token: SeDebugPrivilege	3560	sv.exe
Token: SeDebugPrivilege	4528	svhost.exe
Token: SeDebugPrivilege	3668	svhost.exe
Token: SeDebugPrivilege	4360	svhost.exe
Token: SeDebugPrivilege	2248	svhost.exe
Token: SeDebugPrivilege	4604	svhost.exe
Token: SeDebugPrivilege	2388	svhost.exe
Token: SeDebugPrivilege	372	svhost.exe
Token: SeDebugPrivilege	4484	svhost.exe
Token: SeDebugPrivilege	2252	svhost.exe
Token: SeDebugPrivilege	2728	svhost.exe
Token: SeDebugPrivilege	4396	svhost.exe
Token: SeDebugPrivilege	1596	svhost.exe
Token: SeDebugPrivilege	5000	svhost.exe
Token: SeDebugPrivilege	3960	svhost.exe
Token: SeDebugPrivilege	4676	svhost.exe
Token: SeDebugPrivilege	4360	svhost.exe
Token: SeDebugPrivilege	408	svhost.exe
Token: SeDebugPrivilege	1048	svhost.exe
Token: SeDebugPrivilege	3916	svhost.exe
Token: SeDebugPrivilege	2768	svhost.exe
Token: SeDebugPrivilege	4136	svhost.exe
Token: SeDebugPrivilege	2328	svhost.exe
Token: SeDebugPrivilege	4356	svhost.exe
Token: SeDebugPrivilege	1232	svhost.exe
Token: SeDebugPrivilege	3932	svhost.exe
Token: SeDebugPrivilege	4772	svhost.exe
Token: SeDebugPrivilege	2512	svhost.exe
Token: SeDebugPrivilege	940	svhost.exe
Token: SeDebugPrivilege	1228	svhost.exe
Token: SeDebugPrivilege	4024	svhost.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

sv.exe

description	pid	process	target process
PID 3560 wrote to memory of 5116	3560	sv.exe	powershell.exe
PID 3560 wrote to memory of 5116	3560	sv.exe	powershell.exe
PID 3560 wrote to memory of 2572	3560	sv.exe	powershell.exe
PID 3560 wrote to memory of 2572	3560	sv.exe	powershell.exe
PID 3560 wrote to memory of 516	3560	sv.exe	powershell.exe
PID 3560 wrote to memory of 516	3560	sv.exe	powershell.exe
PID 3560 wrote to memory of 1448	3560	sv.exe	powershell.exe
PID 3560 wrote to memory of 1448	3560	sv.exe	powershell.exe
PID 3560 wrote to memory of 2760	3560	sv.exe	schtasks.exe
PID 3560 wrote to memory of 2760	3560	sv.exe	schtasks.exe

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\sv.exe
"C:\Users\Admin\AppData\Local\Temp\sv.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3560

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:5116

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:2572

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1448

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:2760

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4528

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3668

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4360

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2248

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4604

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2388

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:372

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4484

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2252

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2728

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4396

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1596

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5000

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3960

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4676

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4360

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:408

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1048

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3916

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2768

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4136

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2328

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4356

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1232

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3932

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4772

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2512

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:940

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1228

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4024

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
2979eabc783eaca50de7be23dd4eafcf

SHA1
d709ce5f3a06b7958a67e20870bfd95b83cad2ea

SHA256
006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903

SHA512
92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba

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

MD5
e91a049452029afa6defd4fa34646957

SHA1
d1ba5c6d30e79706a2f0e66caf405dd49d5d887a

SHA256
1a747cb87d49175fb29efbc8162ff99235769897873db2242a8194af72b77a95

SHA512
01901cb6e9a385e54a0759a54a6dffd98e152d5052cf371bc514c73b52c3a075edf2af1851a24ee1bb8a637c441895946df7aca4ac11cb36ca1237a69f972c66

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

MD5
a7cc007980e419d553568a106210549a

SHA1
c03099706b75071f36c3962fcc60a22f197711e0

SHA256
a5735921fc72189c8bf577f3911486cf031708dc8d6bc764fe3e593c0a053165

SHA512
b9aaf29403c467daef80a1ae87478afc33b78f4e1ca16189557011bb83cf9b3e29a0f85c69fa209c45201fb28baca47d31756eee07b79c6312c506e8370f7666

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_knh0hcjt.grc.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1448-53-0x000001DA5E8A0000-0x000001DA5EABC000-memory.dmp

Filesize
2.1MB

Download
memory/2572-30-0x000001FF52C00000-0x000001FF52E1C000-memory.dmp

Filesize
2.1MB

Download
memory/3560-0-0x00007FFE899C3000-0x00007FFE899C5000-memory.dmp

Filesize
8KB

Download
memory/3560-58-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp

Filesize
10.8MB

Download
memory/3560-62-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp

Filesize
10.8MB

Download
memory/3560-1-0x0000000000720000-0x0000000000736000-memory.dmp

Filesize
88KB

Download
memory/5116-14-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp

Filesize
10.8MB

Download
memory/5116-17-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp

Filesize
10.8MB

Download
memory/5116-13-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp

Filesize
10.8MB

Download
memory/5116-12-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp

Filesize
10.8MB

Download
memory/5116-8-0x000001F328610000-0x000001F328632000-memory.dmp

Filesize
136KB

Download