a892b4b5eb8c98de074e67da4ff204321b14bce9d49d9123d8aee520c651f9aa

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 00:45

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General

Target

a892b4b5eb8c98de074e67da4ff204321b14bce9d49d9123d8aee520c651f9aaN.dll
Size

170KB
MD5

fa8eff3dfebe8fff236256a68545fea0
SHA1

42009941818d77ad8ac99818e0919db486cdfbf5
SHA256

a892b4b5eb8c98de074e67da4ff204321b14bce9d49d9123d8aee520c651f9aa
SHA512

ea91001d069c34b461ba141fb213bbb9cb581e03c7815c904d360a1d340b0b6b39231cfc2a7b8b3e3a33da4cfcee61ca4e5ad3b9eedd6d85f2dff574f1067783
SSDEEP

3072:kTEcI+U5UJ3vFG4g7cldbCxhgnJIC/uxusdRwRlkaYa9toyHgf5+OM4:kw1c3Y8b6WgVOLkiAf5J

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3356-0-0x0000000010000000-0x0000000010085000-memory.dmp	upx
behavioral2/memory/3356-1-0x0000000010000000-0x0000000010085000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2884	3356	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 use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 3356	5100	rundll32.exe	82
PID 5100 wrote to memory of 3356	5100	rundll32.exe	82
PID 5100 wrote to memory of 3356	5100	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a892b4b5eb8c98de074e67da4ff204321b14bce9d49d9123d8aee520c651f9aaN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a892b4b5eb8c98de074e67da4ff204321b14bce9d49d9123d8aee520c651f9aaN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3356 -s 612
    3⤵
    - Program crash
    PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3356 -ip 3356
1⤵
PID:856

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

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Downloads

memory/3356-0-0x0000000010000000-0x0000000010085000-memory.dmp

Filesize
532KB

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memory/3356-1-0x0000000010000000-0x0000000010085000-memory.dmp

Filesize
532KB

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