xworm | 59129c41eeabcc689986b80f9e4f6334a72b6557b0d56d0d185f803e26f4b6c4

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/11/2024, 01:00

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General

Target

295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe
Size

564KB
MD5

066ea1397f09fed558600e6c4bc7c1e4
SHA1

059f84529641a772f564f0afa890fd4260ec3a06
SHA256

295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528
SHA512

d9a494a860ab21f59b405c48343a805f792ed14a9b915decdad3295779f7fb31ab84812a71c99d66838c8c82b37e826f2d66ed9dbfedac0b895e06c9eb8f7fdd
SSDEEP

12288:4oSoGX2ry3mFpqjgS+CLuE0Fq7qUckNxxA7WkR:RSoGmr8mFpq8SjLuS7qjkNK

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

SF5USQEmssTrQl4w

Attributes

install_file
USB.exe
pastebin_url
https://pastebin.com/raw/4iZFGLTi

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4484-46-0x0000000000400000-0x0000000000410000-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 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3064	powershell.exe
1084	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
18	pastebin.com
19	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 316 set thread context of 4484	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	106

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 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
1672	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1084	powershell.exe
3064	powershell.exe
1084	powershell.exe
3064	powershell.exe
4484	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3064	powershell.exe
Token: SeDebugPrivilege	1084	powershell.exe
Token: SeDebugPrivilege	4484	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4484	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 3064	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	100
PID 316 wrote to memory of 3064	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	100
PID 316 wrote to memory of 3064	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	100
PID 316 wrote to memory of 1084	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	102
PID 316 wrote to memory of 1084	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	102
PID 316 wrote to memory of 1084	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	102
PID 316 wrote to memory of 1672	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	104
PID 316 wrote to memory of 1672	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	104
PID 316 wrote to memory of 1672	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	104
PID 316 wrote to memory of 4484	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	106
PID 316 wrote to memory of 4484	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	106
PID 316 wrote to memory of 4484	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	106
PID 316 wrote to memory of 4484	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	106
PID 316 wrote to memory of 4484	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	106
PID 316 wrote to memory of 4484	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	106
PID 316 wrote to memory of 4484	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	106
PID 316 wrote to memory of 4484	316	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	106

C:\Users\Admin\AppData\Local\Temp\295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe
"C:\Users\Admin\AppData\Local\Temp\295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:316
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3064
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FeAlvpvraR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1084
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FeAlvpvraR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD3F9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1672
- C:\Users\Admin\AppData\Local\Temp\295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe
  "C:\Users\Admin\AppData\Local\Temp\295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4484

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
d9e5484b1264617b9738b646aede9c87

SHA1
f37f42e4a44a0a382810d7bb9a54c7ba6ee2b83a

SHA256
64f7e7e11b64984a169ce4a1e6b7a1279a6635c97a0ceee0772e414fce49e579

SHA512
37d9b27757b43bc80cdaaeafe2d3d1bfd5fa8229e8db45bbe6130bcc4b90c10840378d692ebcef63dfb5ff350022a0812d767af67f62fa8c88a3023bd23b9d91

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ns2cotch.gcs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD3F9.tmp

Filesize
1KB

MD5
52621e7fc3d2b19e99ad6c6c14689847

SHA1
c94dbb97348f557fa5115d33f2be08782eda52f2

SHA256
c4f97d37064f553f718c402e129cacd206e9b713d8f010cdcc69714b6dbeda05

SHA512
a117f9a0fb963dbca5060d31217853276a271673a11b95d8ef4b80c4f72d3d18a62a04b8e274cd961711df5c2e512954030de6f8ccebd10d9b2605890c5bd3d0

Download Submit
memory/316-49-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/316-5-0x0000000005BA0000-0x0000000005BAA000-memory.dmp

Filesize
40KB

Download
memory/316-6-0x0000000005D00000-0x0000000005D9C000-memory.dmp

Filesize
624KB

Download
memory/316-7-0x0000000005E30000-0x0000000005E4C000-memory.dmp

Filesize
112KB

Download
memory/316-8-0x000000007498E000-0x000000007498F000-memory.dmp

Filesize
4KB

Download
memory/316-9-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/316-10-0x0000000003400000-0x0000000003452000-memory.dmp

Filesize
328KB

Download
memory/316-0-0x000000007498E000-0x000000007498F000-memory.dmp

Filesize
4KB

Download
memory/316-4-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/316-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/316-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

Filesize
584KB

Download
memory/316-1-0x0000000000FA0000-0x0000000001030000-memory.dmp

Filesize
576KB

Download
memory/1084-62-0x0000000005420000-0x000000000543E000-memory.dmp

Filesize
120KB

Download
memory/1084-45-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/1084-24-0x00000000060F0000-0x0000000006444000-memory.dmp

Filesize
3.3MB

Download
memory/1084-22-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/1084-77-0x0000000007C90000-0x0000000007D26000-memory.dmp

Filesize
600KB

Download
memory/1084-51-0x00000000078A0000-0x00000000078D2000-memory.dmp

Filesize
200KB

Download
memory/1084-25-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/1084-88-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/1084-74-0x0000000008060000-0x00000000086DA000-memory.dmp

Filesize
6.5MB

Download
memory/1084-80-0x0000000007C50000-0x0000000007C64000-memory.dmp

Filesize
80KB

Download
memory/1084-48-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/1084-50-0x0000000006C70000-0x0000000006CBC000-memory.dmp

Filesize
304KB

Download
memory/1084-79-0x0000000007C40000-0x0000000007C4E000-memory.dmp

Filesize
56KB

Download
memory/1084-52-0x000000006FEC0000-0x000000006FF0C000-memory.dmp

Filesize
304KB

Download
memory/3064-15-0x0000000002870000-0x00000000028A6000-memory.dmp

Filesize
216KB

Download
memory/3064-20-0x0000000005140000-0x00000000051A6000-memory.dmp

Filesize
408KB

Download
memory/3064-63-0x000000006FEC0000-0x000000006FF0C000-memory.dmp

Filesize
304KB

Download
memory/3064-73-0x0000000007130000-0x00000000071D3000-memory.dmp

Filesize
652KB

Download
memory/3064-89-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/3064-75-0x0000000007480000-0x000000000749A000-memory.dmp

Filesize
104KB

Download
memory/3064-76-0x0000000007500000-0x000000000750A000-memory.dmp

Filesize
40KB

Download
memory/3064-26-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/3064-78-0x0000000007680000-0x0000000007691000-memory.dmp

Filesize
68KB

Download
memory/3064-19-0x0000000005090000-0x00000000050B2000-memory.dmp

Filesize
136KB

Download
memory/3064-21-0x00000000051B0000-0x0000000005216000-memory.dmp

Filesize
408KB

Download
memory/3064-81-0x00000000077C0000-0x00000000077DA000-memory.dmp

Filesize
104KB

Download
memory/3064-82-0x00000000077A0000-0x00000000077A8000-memory.dmp

Filesize
32KB

Download
memory/3064-18-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/3064-17-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/3064-16-0x0000000005240000-0x0000000005868000-memory.dmp

Filesize
6.2MB

Download
memory/4484-46-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download