xworm | b15e57df1ab1fc902337d52f633267b802ccee6f37ba21ca065ae14380817081

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 07:59

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General

Target

PO#8329837372938383839238PDF.exe
Size

177KB
MD5

ba88dca6e9d0a6f55a8addc30b02d988
SHA1

f48b8d8255a9192675dde74ef7db412fcb528792
SHA256

b15e57df1ab1fc902337d52f633267b802ccee6f37ba21ca065ae14380817081
SHA512

f10c077bb1aa2c0c32ce0dc03a0b3e27f838b98c1251d7540d2d81e7c3b13ee45cfcb79be085ea83dd12ee9eb0613a1fc116f9283236379fdf85320199a6e2c3
SSDEEP

3072:jvXdvpzRm9npGJyJObSGOOs3KI/ZMQRoGaHn2J:jvXdvpzRmzm/bSGOOs3KI/GQI

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

nwamama.ydns.eu:3791

Mutex

bUIwrJMMMqrauUWR

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2528-1174-0x0000000000750000-0x0000000000760000-memory.dmp	family_xworm

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

PO#8329837372938383839238PDF.exe

description pid process target process

PID 3952 created 3500 3952 PO#8329837372938383839238PDF.exe Explorer.EXE
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

description	pid	process	target process
PID 3952 created 3500	3952	PO#8329837372938383839238PDF.exe	Explorer.EXE

Drops startup file 1 IoCs

Processes:

PO#8329837372938383839238PDF.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SupportsDynamicPartitions.vbs	PO#8329837372938383839238PDF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#8329837372938383839238PDF.exe

description pid process target process

PID 3952 set thread context of 2528 3952 PO#8329837372938383839238PDF.exe InstallUtil.exe

description	pid	process	target process
PID 3952 set thread context of 2528	3952	PO#8329837372938383839238PDF.exe	InstallUtil.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

PO#8329837372938383839238PDF.exeInstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO#8329837372938383839238PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO#8329837372938383839238PDF.exeInstallUtil.exe

pid process

3952 PO#8329837372938383839238PDF.exe
2528 InstallUtil.exe

pid	process
3952	PO#8329837372938383839238PDF.exe
2528	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO#8329837372938383839238PDF.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3952	PO#8329837372938383839238PDF.exe
Token: SeDebugPrivilege	3952	PO#8329837372938383839238PDF.exe
Token: SeDebugPrivilege	2528	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

2528 InstallUtil.exe

pid	process
2528	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

PO#8329837372938383839238PDF.exe

description	pid	process	target process
PID 3952 wrote to memory of 2528	3952	PO#8329837372938383839238PDF.exe	InstallUtil.exe
PID 3952 wrote to memory of 2528	3952	PO#8329837372938383839238PDF.exe	InstallUtil.exe
PID 3952 wrote to memory of 2528	3952	PO#8329837372938383839238PDF.exe	InstallUtil.exe
PID 3952 wrote to memory of 2528	3952	PO#8329837372938383839238PDF.exe	InstallUtil.exe
PID 3952 wrote to memory of 2528	3952	PO#8329837372938383839238PDF.exe	InstallUtil.exe
PID 3952 wrote to memory of 2528	3952	PO#8329837372938383839238PDF.exe	InstallUtil.exe
PID 3952 wrote to memory of 2528	3952	PO#8329837372938383839238PDF.exe	InstallUtil.exe
PID 3952 wrote to memory of 2528	3952	PO#8329837372938383839238PDF.exe	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3500
- C:\Users\Admin\AppData\Local\Temp\PO#8329837372938383839238PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\PO#8329837372938383839238PDF.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3952
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2528-1173-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/2528-1174-0x0000000000750000-0x0000000000760000-memory.dmp

Filesize
64KB

Download
memory/2528-1175-0x0000000004BA0000-0x0000000004C3C000-memory.dmp

Filesize
624KB

Download
memory/2528-1176-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/2528-1177-0x0000000005510000-0x000000000551A000-memory.dmp

Filesize
40KB

Download
memory/2528-1180-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/2528-1179-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/2528-1178-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3952-33-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-23-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-5-0x0000000006900000-0x0000000006992000-memory.dmp

Filesize
584KB

Download
memory/3952-55-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-53-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-51-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-49-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-47-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-45-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-43-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-39-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-37-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-35-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-69-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-67-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-65-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-63-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-61-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-59-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-57-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-3-0x00000000066E0000-0x00000000067CA000-memory.dmp

Filesize
936KB

Download
memory/3952-31-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-29-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-27-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-25-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-4-0x0000000006DB0000-0x0000000007354000-memory.dmp

Filesize
5.6MB

Download
memory/3952-19-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-17-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-15-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-13-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-11-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-9-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-7-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-41-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-21-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-6-0x00000000066E0000-0x00000000067C5000-memory.dmp

Filesize
916KB

Download
memory/3952-1156-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3952-1157-0x0000000006A10000-0x0000000006A6A000-memory.dmp

Filesize
360KB

Download
memory/3952-1158-0x0000000006A70000-0x0000000006ABC000-memory.dmp

Filesize
304KB

Download
memory/3952-1159-0x0000000006AE0000-0x0000000006B34000-memory.dmp

Filesize
336KB

Download
memory/3952-1165-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/3952-2-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3952-1-0x0000000000910000-0x0000000000942000-memory.dmp

Filesize
200KB

Download
memory/3952-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/3952-1164-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3952-1167-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3952-1169-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3952-1170-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3952-1172-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download