e3b0770e81d25aded11d9220e074c7fe8fe3ec5b3a91cde7f90f0d9d3af5c946

Analysis

max time kernel
90s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
30-10-2024 20:35

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General

Target

Loader.exe
Size

638KB
MD5

c703737130119cb3345dadb1fbea51b6
SHA1

ade521c43117e23a7672da2e6ecb60f6ea3abf61
SHA256

028bca80e4cbfc1a79402fb9b7602156bcb99b5a9a28426867e5d84b7544ce55
SHA512

6260f3bb26c471af0465c24214e69c67b89c15cf649f92811c0f987a95fd4512ca5dd417f4613ebfa54accb325464bee65498e0ac1633a8585b0ab2999f33be1
SSDEEP

12288:EuM8OZLrEIC6jejDTN2rZ+RZ5BiKqBy0FyDS9lni:tI4I50fswRRiKki

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

Loader.exe

description pid process target process

PID 3260 set thread context of 3076 3260 Loader.exe Loader.exe
Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

3028 3260 WerFault.exe Loader.exe
2276 3076 WerFault.exe Loader.exe
5040 3076 WerFault.exe Loader.exe

description	pid	process	target process
PID 3260 set thread context of 3076	3260	Loader.exe	Loader.exe

pid	pid_target	process	target process
3028	3260	WerFault.exe	Loader.exe
2276	3076	WerFault.exe	Loader.exe
5040	3076	WerFault.exe	Loader.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:

Loader.exeLoader.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Loader.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Loader.exe

description	pid	process	target process
PID 3260 wrote to memory of 3076	3260	Loader.exe	Loader.exe
PID 3260 wrote to memory of 3076	3260	Loader.exe	Loader.exe
PID 3260 wrote to memory of 3076	3260	Loader.exe	Loader.exe
PID 3260 wrote to memory of 3076	3260	Loader.exe	Loader.exe
PID 3260 wrote to memory of 3076	3260	Loader.exe	Loader.exe
PID 3260 wrote to memory of 3076	3260	Loader.exe	Loader.exe
PID 3260 wrote to memory of 3076	3260	Loader.exe	Loader.exe
PID 3260 wrote to memory of 3076	3260	Loader.exe	Loader.exe
PID 3260 wrote to memory of 3076	3260	Loader.exe	Loader.exe

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3260

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
2⤵
- System Location Discovery: System Language Discovery
PID:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 1376
3⤵
- Program crash
PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 1360
3⤵
- Program crash
PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 268
2⤵
- Program crash
PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3260 -ip 3260
1⤵
PID:2616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3076 -ip 3076
1⤵
PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3076 -ip 3076
1⤵
PID:1412

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/3076-1-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/3076-3-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/3076-4-0x0000000000B50000-0x0000000000BF7000-memory.dmp

Filesize
668KB

Download
memory/3260-0-0x0000000000B9D000-0x0000000000B9E000-memory.dmp

Filesize
4KB

Download