7126b9932dc0cdfe751340edfa7c4a14b69262eb1afd0530e6d1fdb2e25986dd

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 09:54

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General

Target

$R9/Stubs/zlib.exe
Size

35KB
MD5

346d3c8665f307a06aba85f8745360e8
SHA1

de87ba7e2553f0efd531d30d6a5997dab9a6bc2f
SHA256

c96383fe97a213140741bf5df71f322753200c094cb22db634e050d2be744a4f
SHA512

6d9910251618226bfd94c94661b86db0b6c07d5dbc5445cbd0ae7bd34fc42e0b2af53fbd14b57969cda9deb747dae7837209eb4c61b4b130b0170f584b839aa2
SSDEEP

768:x0gFJMBrbxJQJFiXDYwQ5NTdKqP5sCOfZ7jrG0D3cjfS3XJQai:xfYBrbzmFizYwUK1G0DRXJQ

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

2352 2916 WerFault.exe zlib.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:

zlib.exe

description ioc process

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

pid	pid_target	process	target process
2352	2916	WerFault.exe	zlib.exe

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

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

zlib.exe

description	pid	process	target process
PID 2916 wrote to memory of 2352	2916	zlib.exe	WerFault.exe
PID 2916 wrote to memory of 2352	2916	zlib.exe	WerFault.exe
PID 2916 wrote to memory of 2352	2916	zlib.exe	WerFault.exe
PID 2916 wrote to memory of 2352	2916	zlib.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\$R9\Stubs\zlib.exe
"C:\Users\Admin\AppData\Local\Temp\$R9\Stubs\zlib.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 348
2⤵
- Program crash
PID:2352

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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