47b608c4696aa3e45a8067d07efdb252411f38e66bd8ea77881c29b75c732ef7

Analysis

max time kernel
153s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 15:06

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General

Target

47b608c4696aa3e45a8067d07efdb252411f38e66bd8ea77881c29b75c732ef7.dll
Size

1.4MB
MD5

c9f2851eec889fa844accd0cbf3c52e2
SHA1

4756eafcf7015235afb8acc6b42291db0f3eb67d
SHA256

47b608c4696aa3e45a8067d07efdb252411f38e66bd8ea77881c29b75c732ef7
SHA512

6cd79f7f1b12516d4d00068a490fd12d1a2aac35b4e97bd2757c1714a64bf752a3755ba3b7a888383922f59689d91156db211e79a486bb405cbd7e6c0a697603
SSDEEP

24576:1+8ZZXd3msJoKCqzOnAGwa9urUpqGRg39L+6xVSnPZX5t7TDRw:1JXd3m2rvzAwa9fRW9L+W8ZXr3Nw

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2112-141-0x0000000002EB0000-0x0000000002EEE000-memory.dmp	upx
behavioral2/memory/2112-142-0x0000000002EB0000-0x0000000002EEE000-memory.dmp	upx
behavioral2/memory/2112-143-0x0000000002EB0000-0x0000000002EEE000-memory.dmp	upx

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

Program crash 3 IoCs

pid	pid_target	Process	procid_target
220	2112	WerFault.exe	77
1756	2112	WerFault.exe	77
4684	2112	WerFault.exe	77

Suspicious use of SetWindowsHookEx 64 IoCs

pid	Process
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 2112	4896	rundll32.exe	77
PID 4896 wrote to memory of 2112	4896	rundll32.exe	77
PID 4896 wrote to memory of 2112	4896	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\47b608c4696aa3e45a8067d07efdb252411f38e66bd8ea77881c29b75c732ef7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\47b608c4696aa3e45a8067d07efdb252411f38e66bd8ea77881c29b75c732ef7.dll,#1
  2⤵
  - Checks BIOS information in registry
  - Suspicious use of SetWindowsHookEx
  PID:2112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 784
    3⤵
    - Program crash
    PID:220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 828
    3⤵
    - Program crash
    PID:1756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 828
    3⤵
    - Program crash
    PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 2112 -ip 2112
1⤵
PID:1880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2112 -ip 2112
1⤵
PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2112 -ip 2112
1⤵
PID:5040

Network

MITRE ATT&CK Enterprise v6

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

Replay Monitor

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Downloads

memory/2112-132-0x0000000000000000-mapping.dmp

Download
memory/2112-133-0x0000000010000000-0x0000000010257000-memory.dmp

Filesize
2.3MB

Download
memory/2112-134-0x0000000010000000-0x0000000010257000-memory.dmp

Filesize
2.3MB

Download
memory/2112-135-0x0000000010000000-0x0000000010257000-memory.dmp

Filesize
2.3MB

Download
memory/2112-136-0x0000000010000000-0x0000000010257000-memory.dmp

Filesize
2.3MB

Download
memory/2112-138-0x0000000010000000-0x0000000010257000-memory.dmp

Filesize
2.3MB

Download
memory/2112-139-0x0000000010000000-0x0000000010257000-memory.dmp

Filesize
2.3MB

Download
memory/2112-141-0x0000000002EB0000-0x0000000002EEE000-memory.dmp

Filesize
248KB

Download
memory/2112-142-0x0000000002EB0000-0x0000000002EEE000-memory.dmp

Filesize
248KB

Download
memory/2112-143-0x0000000002EB0000-0x0000000002EEE000-memory.dmp

Filesize
248KB

Download
memory/2112-144-0x0000000002E60000-0x0000000002EED000-memory.dmp

Filesize
564KB

Download