fc249cce89323d5676432fb84a921f31c9049e8f1141d03f89b6736b78389f51

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/05/2024, 05:52

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General

Target

fc249cce89323d5676432fb84a921f31c9049e8f1141d03f89b6736b78389f51.dll
Size

1.5MB
MD5

7d2c33308fbeee521f8547e008ef6f7a
SHA1

79def35dea030f1b573308dc1423897b1ede1ed5
SHA256

fc249cce89323d5676432fb84a921f31c9049e8f1141d03f89b6736b78389f51
SHA512

17e6d33f3554d951f3a07d0d29e5a5deb1db622b51f9f354ab61ef4c16a239e6f357150ce15e912273cfca78f931431090e0c76151faae6cbbba315966493cc7
SSDEEP

24576:9xtk0mq4LUiOwLb5JXfV6w4T4FHO2l4HLy9MDNyxL7ia1Lz:98NL7v5JXfj48FuTHNNyRd

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2036	2804	rundll32.exe	28
PID 2804 wrote to memory of 2036	2804	rundll32.exe	28
PID 2804 wrote to memory of 2036	2804	rundll32.exe	28
PID 2804 wrote to memory of 2036	2804	rundll32.exe	28
PID 2804 wrote to memory of 2036	2804	rundll32.exe	28
PID 2804 wrote to memory of 2036	2804	rundll32.exe	28
PID 2804 wrote to memory of 2036	2804	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc249cce89323d5676432fb84a921f31c9049e8f1141d03f89b6736b78389f51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc249cce89323d5676432fb84a921f31c9049e8f1141d03f89b6736b78389f51.dll,#1
  2⤵
  - Checks BIOS information in registry
  PID:2036

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

Replay Monitor

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Downloads

memory/2036-0-0x00000000001B0000-0x00000000001D8000-memory.dmp

Filesize
160KB

Download
memory/2036-8-0x0000000010000000-0x00000000102E4000-memory.dmp

Filesize
2.9MB

Download
memory/2036-7-0x0000000010000000-0x00000000102E4000-memory.dmp

Filesize
2.9MB

Download
memory/2036-6-0x0000000010000000-0x00000000102E4000-memory.dmp

Filesize
2.9MB

Download