bd050828420e41a62606fad3a85f692406e1e06171c57014f4ee4533391ab4c9

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
15/06/2024, 01:31

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General

Target

bd050828420e41a62606fad3a85f692406e1e06171c57014f4ee4533391ab4c9.dll
Size

6.5MB
MD5

5e5d0725fae73f2339ac8ad604fd8a48
SHA1

0dd3dba62970aab2c59a2269a5e478a6e30cd6f0
SHA256

bd050828420e41a62606fad3a85f692406e1e06171c57014f4ee4533391ab4c9
SHA512

c583fc74c12eb9cd54596ca47b10bf1c4b3a491d7d2f076e60e685299d1fa25b63f58d8b664ebad0bdc151cf921bff79b758ea7e974aab455198fea6c3256158
SSDEEP

196608:mzUZ+x1t1GshUqgqehvBypSKs3c2SvO+L0mn:VZ+x1t1GshUVlByUKs3cVvOu0mn

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	680	rundll32.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 680	4964	rundll32.exe	82
PID 4964 wrote to memory of 680	4964	rundll32.exe	82
PID 4964 wrote to memory of 680	4964	rundll32.exe	82
PID 680 wrote to memory of 4032	680	rundll32.exe	87
PID 680 wrote to memory of 4032	680	rundll32.exe	87
PID 680 wrote to memory of 4032	680	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd050828420e41a62606fad3a85f692406e1e06171c57014f4ee4533391ab4c9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd050828420e41a62606fad3a85f692406e1e06171c57014f4ee4533391ab4c9.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks BIOS information in registry
  - Enumerates system info in registry
  - Suspicious use of WriteProcessMemory
  PID:680
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /DELETE /F /TN "XYRgcZuFJuyvGgZJh"
    3⤵
    PID:4032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/680-0-0x0000000002A50000-0x00000000074D2000-memory.dmp

Filesize
74.5MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads