9404c7a99bcdde02f50e378d1dffad170426af7c1c5c545b2f6fd57de48ffad5

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:32

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General

Target

rywcikv.exe
Size

4KB
MD5

1c8099bf75f0b18987ddfdde63e52d60
SHA1

d613404fd561ed3bcb44d1d9e949dc08bb7950ca
SHA256

d16719d16c1da558db23766d79a44613e3ca6519d2fc81a167b62d8e39ede0e3
SHA512

7bd7df1775ad0cf9d6be44019104ddde47180da262aabb1c900aa36727c73343c9f33a0e72f5bd119dba4f9937117faac47d0d2dddf1876da1ffb0f4136623c9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2292 2228 WerFault.exe rywcikv.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:

rywcikv.exe

description ioc process

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

pid	pid_target	process	target process
2292	2228	WerFault.exe	rywcikv.exe

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

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

rywcikv.exe

description	pid	process	target process
PID 2228 wrote to memory of 2292	2228	rywcikv.exe	WerFault.exe
PID 2228 wrote to memory of 2292	2228	rywcikv.exe	WerFault.exe
PID 2228 wrote to memory of 2292	2228	rywcikv.exe	WerFault.exe
PID 2228 wrote to memory of 2292	2228	rywcikv.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\rywcikv.exe
"C:\Users\Admin\AppData\Local\Temp\rywcikv.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 176
  2⤵
  - Program crash
  PID:2292

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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