5f7fab2d166dfa30cc2c0e71442f924f3fa15d09d4094ecf5f5539581c2caf5e

Analysis

max time kernel
145s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 14:12

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General

Target

5f7fab2d166dfa30cc2c0e71442f924f3fa15d09d4094ecf5f5539581c2caf5e.dll
Size

24KB
MD5

c39770902110762b9e1ff56bbd5144c0
SHA1

abc936bd405a7565a5503835bc483e6f7a71feec
SHA256

5f7fab2d166dfa30cc2c0e71442f924f3fa15d09d4094ecf5f5539581c2caf5e
SHA512

b20e76ff954e333fc159743eab6b58b8e7b7b6251e7b4f87b9a26436098c39ebbe65d91d3f8c18d6d5350d10672a7d97b1b1267b02f6f4d20db9ba9ae8a0021b
SSDEEP

768:/pARBR4lhxo4c5EzyFxdioa+8GeiWCMl/Q/gM239xE:/SmlDzzCXb78+Wblo/Mx

Score

6^/10

Malware Config

Signatures

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\linkinfo.dll	rundll32.exe
File created	C:\Windows\twain_86.dll	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 5092	3876	rundll32.exe	82
PID 3876 wrote to memory of 5092	3876	rundll32.exe	82
PID 3876 wrote to memory of 5092	3876	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f7fab2d166dfa30cc2c0e71442f924f3fa15d09d4094ecf5f5539581c2caf5e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f7fab2d166dfa30cc2c0e71442f924f3fa15d09d4094ecf5f5539581c2caf5e.dll,#1
  2⤵
  - Maps connected drives based on registry
  - Drops file in Windows directory
  PID:5092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/5092-133-0x0000000013140000-0x000000001314A000-memory.dmp

Filesize
40KB

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