92980d1b8b729efce68efe3fef4e8b05760448f62c48c62e87095d31ab8679bd

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:25

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General

Target

$PLUGINSDIR/graphicalinstaller.dll
Size

38KB
MD5

5691d9412413d3cff6c19f9e4c07e0f3
SHA1

6679230811fe3ba8fdf145e9a93babff66de8e70
SHA256

7a72a7a6c28b9127d38cbdf14672ed1feaec86b72c83c0302cbcdbd03341da91
SHA512

28c44a956a6951ce11fd03dac7f9b1eccde24720c385077315547d6b36e6df55fe5d19175f53a6e44068c6688400a52be10c720c1e4db47d57e75a6c8925b80e
SSDEEP

768:FsHjNDKSDTlZMXAy4IIZmr+FLtYCsKQPvatRNPjZjrQQEHZ2U7ReFH7:FiD1nlZMXJ49S+FJaKQPC7N9vQ1Zl7w7

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral10/memory/4792-0-0x0000000010000000-0x000000001001D000-memory.dmp	upx
behavioral10/memory/4792-3-0x0000000010000000-0x000000001001D000-memory.dmp	upx
behavioral10/memory/4792-2-0x0000000010000000-0x000000001001D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1396	4792	WerFault.exe	81

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 use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 4792	4428	rundll32.exe	81
PID 4428 wrote to memory of 4792	4428	rundll32.exe	81
PID 4428 wrote to memory of 4792	4428	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\graphicalinstaller.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\graphicalinstaller.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 604
    3⤵
    - Program crash
    PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4792 -ip 4792
1⤵
PID:1868

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/4792-0-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/4792-3-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/4792-2-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/4792-1-0x0000000010003000-0x0000000010004000-memory.dmp

Filesize
4KB

Download