76947dcfe886fe0e3273c7723140533999741f239a2ad7568a460cae74bb0e50

Analysis

max time kernel
108s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 16:23

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General

Target

fjjogisu.dll
Size

11KB
MD5

28a4ec52713fbb4c81bf69d41b48f5c9
SHA1

aeb12c12868a621d77593da2f05f1ffd85c95966
SHA256

085928c36e78eef2ed36ac7cd321c66baf9e7f6c560ecefc5656da4a123864d5
SHA512

683a8e60b9b298ac00f6331ecb211fc3124170894a9fbad36b48b7a1bcde04b15912d4e52fffeb92fe55318b0ebcd322ac4cf1b83b740d32e8ba6bd5c4a08006
SSDEEP

192:X3x0fiRkpHJJZIzPBL819qamvv9XySkapFGK+9IjfefofS:YOkpHfZAhi9Ivo+XGKfK

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4152	2480	WerFault.exe	82

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

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2480	rundll32.exe
2480	rundll32.exe
2480	rundll32.exe
2480	rundll32.exe
2480	rundll32.exe
2480	rundll32.exe
2480	rundll32.exe
2480	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 2480	1376	rundll32.exe	82
PID 1376 wrote to memory of 2480	1376	rundll32.exe	82
PID 1376 wrote to memory of 2480	1376	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fjjogisu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fjjogisu.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2480
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 668
    3⤵
    - Program crash
    PID:4152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2480 -ip 2480
1⤵
PID:3972

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

Replay Monitor

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Downloads

memory/2480-0-0x0000000074F50000-0x0000000074F57000-memory.dmp

Filesize
28KB

Download
memory/2480-1-0x0000000074F50000-0x0000000074F57000-memory.dmp

Filesize
28KB

Download