d5ba3a903d4352af78f3de7b79e0a5d18c7000117b35578e4944f63877271bb2

Analysis

max time kernel
95s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 03:11

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General

Target

d5ba3a903d4352af78f3de7b79e0a5d18c7000117b35578e4944f63877271bb2.dll
Size

76KB
MD5

f2750af4f44055075862bae72aef1b1a
SHA1

c7d5e4784c78efeba6b4865f929d569345bca032
SHA256

d5ba3a903d4352af78f3de7b79e0a5d18c7000117b35578e4944f63877271bb2
SHA512

233155382e440d54f7b589aa57ee8be62af174b89657ca6188a427d9b04d99de7a0632b590632fede33e34802307bbb9b9b37b24d8c23dd49e9dad297c0bbd72
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZlimIGCyM:c8y93KQjy7G55riF1cMo03amZM

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/4396-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4396-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
888	4396	WerFault.exe	83

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4396	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 4396	1668	rundll32.exe	83
PID 1668 wrote to memory of 4396	1668	rundll32.exe	83
PID 1668 wrote to memory of 4396	1668	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5ba3a903d4352af78f3de7b79e0a5d18c7000117b35578e4944f63877271bb2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5ba3a903d4352af78f3de7b79e0a5d18c7000117b35578e4944f63877271bb2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 700
    3⤵
    - Program crash
    PID:888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4396 -ip 4396
1⤵
PID:1356

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/4396-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4396-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download