100b85a1e544ca868a5498cc88fb5d5f5775fa70bb336c87efa07528bc313271

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 00:19

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General

Target

MultiMC/libgcc_s_dw2-1.dll
Size

117KB
MD5

fadde43c97607e4445a6f924d851f04e
SHA1

36c1aa0e1b6d4a322c350f5e502c10c64c203041
SHA256

f0614835136413217ed3baec9ba22aaac4c37956afcb0209f1f89b7676ae86bc
SHA512

66f5637419f88070838ed522defad9aa1b46dd4fd8cb045e0292742831520740d152795b6e99770f34061db596019ef3a342a956b541180e78d1c48b2703f42c
SSDEEP

1536:CxINSJvU82V9dUT4PsXQ+2Q4p2VtjByBzEj6zu3PEhOKeLTxaek:CzmpUkPsXQ+2zsBy9IPEh6Zaek

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2504 2212 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
2504	2212	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 2308 wrote to memory of 2212	2308	rundll32.exe	rundll32.exe
PID 2308 wrote to memory of 2212	2308	rundll32.exe	rundll32.exe
PID 2308 wrote to memory of 2212	2308	rundll32.exe	rundll32.exe
PID 2308 wrote to memory of 2212	2308	rundll32.exe	rundll32.exe
PID 2308 wrote to memory of 2212	2308	rundll32.exe	rundll32.exe
PID 2308 wrote to memory of 2212	2308	rundll32.exe	rundll32.exe
PID 2308 wrote to memory of 2212	2308	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 2504	2212	rundll32.exe	WerFault.exe
PID 2212 wrote to memory of 2504	2212	rundll32.exe	WerFault.exe
PID 2212 wrote to memory of 2504	2212	rundll32.exe	WerFault.exe
PID 2212 wrote to memory of 2504	2212	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libgcc_s_dw2-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libgcc_s_dw2-1.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 240
3⤵
- Program crash
PID:2504

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2212-0-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download
memory/2212-1-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download