c59b51d15b5965f27db4c5bbd21793ad6b492c8c751836ba8bd43829d791146e

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 12:09

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General

Target

libcrypto-3.dll
Size

3.9MB
MD5

27c8a62563e3f34f3466d3cbf4b8fe74
SHA1

23a2585b4afa8e77d365fb1bcf8c96d7273b9742
SHA256

3927d87e03ad83e22a40fdcb680707a28eb04314af51f228130d8396dabb3de4
SHA512

c24f2725a05b209895e4de7b548fc7782d5695bcadc6b79a742c9860efa4691f4cb0b997bb1035b379c64de9d5476e6425e1e76e0b6d73faee635e7fc87207d1
SSDEEP

49152:isLkNoGACh3LyT2CmS/qI9a9NPLZExveczlh+7lk1CPwDvt3uFADCNOnuyWIk72y:KNoGWK5S/q7HDCh+Zk1CPwDvt3uFADCH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2544 3060 WerFault.exe rundll32.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:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2544	3060	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2520 wrote to memory of 3060	2520	rundll32.exe	rundll32.exe
PID 2520 wrote to memory of 3060	2520	rundll32.exe	rundll32.exe
PID 2520 wrote to memory of 3060	2520	rundll32.exe	rundll32.exe
PID 2520 wrote to memory of 3060	2520	rundll32.exe	rundll32.exe
PID 2520 wrote to memory of 3060	2520	rundll32.exe	rundll32.exe
PID 2520 wrote to memory of 3060	2520	rundll32.exe	rundll32.exe
PID 2520 wrote to memory of 3060	2520	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2544	3060	rundll32.exe	WerFault.exe
PID 3060 wrote to memory of 2544	3060	rundll32.exe	WerFault.exe
PID 3060 wrote to memory of 2544	3060	rundll32.exe	WerFault.exe
PID 3060 wrote to memory of 2544	3060	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2520

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-3.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 236
3⤵
- Program crash
PID:2544

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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