7126b9932dc0cdfe751340edfa7c4a14b69262eb1afd0530e6d1fdb2e25986dd

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 05:05

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General

Target

$R9/Stubs/lzma.exe
Size

33KB
MD5

9557ea4608e64b857c1125eb41ba7429
SHA1

d7276eccc032919c84fc05f206d3cdd0b40fe1fb
SHA256

b72d402fce699b21bbf0a4a86ab9fb7f8a083aeacd4f797be7a7f6f91ef93d62
SHA512

8eb238cd34668c12779553b7ef15cbeb4d8dd7aac36b5f044c680b83b04f7e2564905625e14ae5c5e06e4e9b5ccdb1663a08aa63a95e176266d59924061a6ce8
SSDEEP

768:/ip/4K0wirQK33PaH81Fej4w0kGvFONg4jjfS3XJWai:6Zr0wirt3/aEecbsg4sXJW

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2836 2796 WerFault.exe lzma.exe
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

Processes:

lzma.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lzma.exe

pid	pid_target	process	target process
2836	2796	WerFault.exe	lzma.exe

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

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

lzma.exe

description	pid	process	target process
PID 2796 wrote to memory of 2836	2796	lzma.exe	WerFault.exe
PID 2796 wrote to memory of 2836	2796	lzma.exe	WerFault.exe
PID 2796 wrote to memory of 2836	2796	lzma.exe	WerFault.exe
PID 2796 wrote to memory of 2836	2796	lzma.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\$R9\Stubs\lzma.exe
"C:\Users\Admin\AppData\Local\Temp\$R9\Stubs\lzma.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 344
2⤵
- Program crash
PID:2836

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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