e555bf7621da5d656e561964b7c51b2bdcdb8351856d9e30e91bc89088da7650

Analysis

max time kernel
94s
max time network
99s
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, 03:57

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General

Target

OSLA24090177 & OSLA24090178pdf.exe
Size

1.0MB
MD5

5a5203a27db662eca103556a4eda84fd
SHA1

adcd8cd998f55f75bcc0999f10d98cd1bbe568a2
SHA256

b51301458382fec98cc0312e1849937ff1294f9aa86de165356c5c0207ec85ce
SHA512

6e6dadc5ee3d38e693ffa8e624c7028f87661e02a99d0793a75dcefb37cf869b25afd231612b3bf9e03b2ec737ee332e79fb5f40c66d22f56786c828905d6e63
SSDEEP

24576:tthEVaPqLsvEvt32gWuGH4N5a64qygxcuxl/fIz6KUtYRN:VEVUcxV8Hw5a9qyml4WVYz

Score

7^/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/1416-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/1416-4-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1416-4-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1820	1416	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	OSLA24090177 & OSLA24090178pdf.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1416	OSLA24090177 & OSLA24090178pdf.exe
1416	OSLA24090177 & OSLA24090178pdf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 4716	1416	OSLA24090177 & OSLA24090178pdf.exe	82
PID 1416 wrote to memory of 4716	1416	OSLA24090177 & OSLA24090178pdf.exe	82
PID 1416 wrote to memory of 4716	1416	OSLA24090177 & OSLA24090178pdf.exe	82

C:\Users\Admin\AppData\Local\Temp\OSLA24090177 & OSLA24090178pdf.exe
"C:\Users\Admin\AppData\Local\Temp\OSLA24090177 & OSLA24090178pdf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\OSLA24090177 & OSLA24090178pdf.exe"
  2⤵
  PID:4716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 748
  2⤵
  - Program crash
  PID:1820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1416 -ip 1416
1⤵
PID:872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/1416-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1416-3-0x0000000004460000-0x0000000004860000-memory.dmp

Filesize
4.0MB

Download
memory/1416-4-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download