506fe400fc761df8e78670902a95994ce7b08d635c653b2f7f9c4febd7c4b6a0

Analysis

max time kernel
148s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 04:36

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General

Target

WonderHack/WonderLoader_x64.exe
Size

383KB
MD5

e184148c7a56df46e76eed337a51709c
SHA1

545d68571800780674514a55352effecbdd319cc
SHA256

dadebed35e6993b0feddb7e94482f0e5865b08b46ac9c4968365b04396e95b50
SHA512

367661c715392df2fe479f4bfac955f2ff47edbdd47fcdd5088a78014afdbe0a2e0dce8eeef0ca1da16ae809ca858a3b1e96cca8f658dc01d5067a5b546b6340
SSDEEP

6144:CR/qS7RulVoBi7mN6i9E8esdSLol/Zg3lShv1B42gKLs9jFBKF+gOwIycvuaYtFv:+qS7UlqA729TJdSLolClkvc28pBKF+5w

Score

7^/10

discovery

Malware Config

Signatures

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/4908-1-0x0000000000310000-0x0000000000372000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4908 set thread context of 1100	4908	WonderLoader_x64.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1388	4908	WerFault.exe	81

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WonderLoader_x64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WonderLoader_x64.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 1100	4908	WonderLoader_x64.exe	82
PID 4908 wrote to memory of 1100	4908	WonderLoader_x64.exe	82
PID 4908 wrote to memory of 1100	4908	WonderLoader_x64.exe	82
PID 4908 wrote to memory of 1100	4908	WonderLoader_x64.exe	82
PID 4908 wrote to memory of 1100	4908	WonderLoader_x64.exe	82
PID 4908 wrote to memory of 1100	4908	WonderLoader_x64.exe	82
PID 4908 wrote to memory of 1100	4908	WonderLoader_x64.exe	82
PID 4908 wrote to memory of 1100	4908	WonderLoader_x64.exe	82
PID 4908 wrote to memory of 1100	4908	WonderLoader_x64.exe	82

C:\Users\Admin\AppData\Local\Temp\WonderHack\WonderLoader_x64.exe
"C:\Users\Admin\AppData\Local\Temp\WonderHack\WonderLoader_x64.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Users\Admin\AppData\Local\Temp\WonderHack\WonderLoader_x64.exe
  "C:\Users\Admin\AppData\Local\Temp\WonderHack\WonderLoader_x64.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 816
  2⤵
  - Program crash
  PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4908 -ip 4908
1⤵
PID:2900

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/1100-4-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1100-6-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1100-8-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4908-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/4908-1-0x0000000000310000-0x0000000000372000-memory.dmp

Filesize
392KB

Download
memory/4908-2-0x0000000005170000-0x0000000005714000-memory.dmp

Filesize
5.6MB

Download
memory/4908-7-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download