xworm | 295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 02:14

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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/2592-27-0x0000000000400000-0x0000000000410000-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
1592	powershell.exe
3684	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe

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

Web Service

T1102

flow	ioc
20	pastebin.com
21	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4892 set thread context of 2592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.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 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	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

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
4532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1592	powershell.exe
3684	powershell.exe
3684	powershell.exe
1592	powershell.exe
2592	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1592	powershell.exe
Token: SeDebugPrivilege	3684	powershell.exe
Token: SeDebugPrivilege	2592	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2592	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	93
PID 4892 wrote to memory of 1592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	93
PID 4892 wrote to memory of 1592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	93
PID 4892 wrote to memory of 3684	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	95
PID 4892 wrote to memory of 3684	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	95
PID 4892 wrote to memory of 3684	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	95
PID 4892 wrote to memory of 4532	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	97
PID 4892 wrote to memory of 4532	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	97
PID 4892 wrote to memory of 4532	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	97
PID 4892 wrote to memory of 2592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	99
PID 4892 wrote to memory of 2592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	99
PID 4892 wrote to memory of 2592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	99
PID 4892 wrote to memory of 2592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	99
PID 4892 wrote to memory of 2592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	99
PID 4892 wrote to memory of 2592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	99
PID 4892 wrote to memory of 2592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	99
PID 4892 wrote to memory of 2592	4892	295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe	99

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:4892
- 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:1592
- 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:3684
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FeAlvpvraR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1EDD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4532
- 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:2592

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\295a1fe5ff733dde577267491fa637a43dfb21930c60e996121eeec21d98d528.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
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
3d18fbd251f0ebc5caa017e07aad2000

SHA1
c6651799400a4a9e6be4eb6ae48c99a467747fcd

SHA256
aa7b482992e13ab120c8b86ab188484081a5b7d5e746cbd49c50b30d6ab242d8

SHA512
938f823d1452572fd29a2126df120f15642bcc3c499b3d127ef88d6d05f215adc202c6a0eea72ed7ada9138b275acf6c7b679a4f733b4faa0b0e39cf4045becc

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xqukttrz.sfd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1EDD.tmp

Filesize
1KB

MD5
b23f0f4f39303138d91c9ee453aecf80

SHA1
7db4deb627defc5d1fb249ea4c495e6943e69573

SHA256
603e2da4092e134bc020b888d903c6cb9275eb46ff67c20769531b9ac1454f3b

SHA512
b700599905ff887e130ee92227d155db8c29fbda2e2a4706fff42b949e9ba99628bcb44be2a84a2b8947cb4fdd0a69ce01f7aeece0df54856f30b7e88efe898b

Download Submit
memory/1592-17-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/1592-63-0x0000000075B30000-0x0000000075B7C000-memory.dmp

Filesize
304KB

Download
memory/1592-90-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/1592-83-0x00000000073C0000-0x00000000073C8000-memory.dmp

Filesize
32KB

Download
memory/1592-79-0x00000000072A0000-0x00000000072B1000-memory.dmp

Filesize
68KB

Download
memory/1592-78-0x0000000007320000-0x00000000073B6000-memory.dmp

Filesize
600KB

Download
memory/1592-15-0x0000000000CA0000-0x0000000000CD6000-memory.dmp

Filesize
216KB

Download
memory/1592-21-0x0000000004F30000-0x0000000004F52000-memory.dmp

Filesize
136KB

Download
memory/1592-16-0x0000000005230000-0x0000000005858000-memory.dmp

Filesize
6.2MB

Download
memory/1592-18-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/1592-25-0x0000000005860000-0x0000000005BB4000-memory.dmp

Filesize
3.3MB

Download
memory/1592-40-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/1592-23-0x00000000050F0000-0x0000000005156000-memory.dmp

Filesize
408KB

Download
memory/1592-22-0x0000000004FD0000-0x0000000005036000-memory.dmp

Filesize
408KB

Download
memory/2592-27-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3684-76-0x00000000075A0000-0x00000000075BA000-memory.dmp

Filesize
104KB

Download
memory/3684-81-0x00000000077E0000-0x00000000077F4000-memory.dmp

Filesize
80KB

Download
memory/3684-20-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/3684-26-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/3684-86-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/3684-24-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/3684-82-0x00000000078E0000-0x00000000078FA000-memory.dmp

Filesize
104KB

Download
memory/3684-77-0x0000000007610000-0x000000000761A000-memory.dmp

Filesize
40KB

Download
memory/3684-50-0x0000000006280000-0x000000000629E000-memory.dmp

Filesize
120KB

Download
memory/3684-51-0x0000000006310000-0x000000000635C000-memory.dmp

Filesize
304KB

Download
memory/3684-53-0x0000000075B30000-0x0000000075B7C000-memory.dmp

Filesize
304KB

Download
memory/3684-72-0x0000000007400000-0x000000000741E000-memory.dmp

Filesize
120KB

Download
memory/3684-52-0x0000000007440000-0x0000000007472000-memory.dmp

Filesize
200KB

Download
memory/3684-80-0x00000000077D0000-0x00000000077DE000-memory.dmp

Filesize
56KB

Download
memory/3684-74-0x0000000007480000-0x0000000007523000-memory.dmp

Filesize
652KB

Download
memory/3684-75-0x0000000007BE0000-0x000000000825A000-memory.dmp

Filesize
6.5MB

Download
memory/4892-0-0x00000000752AE000-0x00000000752AF000-memory.dmp

Filesize
4KB

Download
memory/4892-6-0x0000000005D00000-0x0000000005D9C000-memory.dmp

Filesize
624KB

Download
memory/4892-10-0x0000000005300000-0x0000000005352000-memory.dmp

Filesize
328KB

Download
memory/4892-9-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4892-4-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4892-5-0x0000000005A00000-0x0000000005A0A000-memory.dmp

Filesize
40KB

Download
memory/4892-8-0x00000000752AE000-0x00000000752AF000-memory.dmp

Filesize
4KB

Download
memory/4892-1-0x0000000000EF0000-0x0000000000F80000-memory.dmp

Filesize
576KB

Download
memory/4892-3-0x0000000005950000-0x00000000059E2000-memory.dmp

Filesize
584KB

Download
memory/4892-2-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/4892-41-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4892-7-0x0000000005CD0000-0x0000000005CEC000-memory.dmp

Filesize
112KB

Download