55309a4905c0c074bb9b488a58314dc58d89dea1a8f6963a367c3a62110592c6

Resubmissions

21-09-2024 11:34

240921-nprd1azend 10

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 11:34

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General

Target

$PLUGINSDIR/StdUtils.dll
Size

100KB
MD5

c6a6e03f77c313b267498515488c5740
SHA1

3d49fc2784b9450962ed6b82b46e9c3c957d7c15
SHA256

b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
SHA512

9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
SSDEEP

3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2500 1696 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
2500	1696	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 2084 wrote to memory of 1696	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1696	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1696	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1696	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1696	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1696	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1696	2084	rundll32.exe	rundll32.exe
PID 1696 wrote to memory of 2500	1696	rundll32.exe	WerFault.exe
PID 1696 wrote to memory of 2500	1696	rundll32.exe	WerFault.exe
PID 1696 wrote to memory of 2500	1696	rundll32.exe	WerFault.exe
PID 1696 wrote to memory of 2500	1696	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 220
3⤵
- Program crash
PID:2500

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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