xworm | 11663edd452b775ef1547956aae32121b71d0fbd235f7a926ad0932fa4243e5c

Analysis

max time kernel
136s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 20:03

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General

Target

2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe
Size

5.3MB
MD5

41142f7b082b159c08fccab6be1378b1
SHA1

0be691768a797e4585535d7c8411097565da7305
SHA256

11663edd452b775ef1547956aae32121b71d0fbd235f7a926ad0932fa4243e5c
SHA512

1709ff4363ef253bc35eaac6196cd85c209052e5d73666556879e719e9ab779cb7c46e14cd6241dcebd98d6774ab9523f14753b3d7a36ad85f1f23f63c4f127b
SSDEEP

49152:i/u5iFq3MEwoDEAy7AfOU/zXNUfEeXAxhF2rl/IuOryOvKODjj3POMjUfkptVxp/:5OU/jIEeQfoR/IuOFVjUu5

Score

10^/10

xworm discovery rat trojan

Malware Config

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2336-13-0x0000000000400000-0x00000000004D5000-memory.dmp	family_xworm

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 548 set thread context of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2944	2336	WerFault.exe	85

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	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2336	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85
PID 548 wrote to memory of 2336	548	2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe
  "C:\Users\Admin\AppData\Local\Temp\2024-11-02_41142f7b082b159c08fccab6be1378b1_avoslocker_hijackloader.exe"
  2⤵
  - Suspicious use of UnmapMainImage
  PID:2336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 12
    3⤵
    - Program crash
    PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2336 -ip 2336
1⤵
PID:2940

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

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Downloads

memory/548-16-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/548-1-0x0000000000630000-0x0000000000B84000-memory.dmp

Filesize
5.3MB

Download
memory/548-2-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/548-3-0x00000000054D0000-0x00000000054DE000-memory.dmp

Filesize
56KB

Download
memory/548-4-0x0000000005560000-0x0000000005568000-memory.dmp

Filesize
32KB

Download
memory/548-17-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/548-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/2336-13-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2336-12-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2336-9-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2336-7-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2336-6-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2336-11-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2336-5-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download