bbf4abb0293f2f9920c1ee573abab2fe1453fd8340c516a8f1c09dd9bf752379

Analysis

max time kernel
0s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 19:32

Target

4c456da64cc8c42447c902256776c9d3.dll
Size

36KB
MD5

4c456da64cc8c42447c902256776c9d3
SHA1

fa5e4896acf232372a782ef8fa931acf2a24eba7
SHA256

bbf4abb0293f2f9920c1ee573abab2fe1453fd8340c516a8f1c09dd9bf752379
SHA512

a889b84eec4e014156fc1076c56ec018ab90c1732ac6ebc8cffedff97d3f2edfe716e640943bfcfbb6ee941678072f2424f4bd65ab18050545450509a1938494
SSDEEP

768:SfZ2YidJN5kXcyXrCD1tDMByGqnxGm3+IdW:SedEcyXrC/GsnsGdW

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
4312	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 3564	4908	rundll32.exe	12
PID 4908 wrote to memory of 3564	4908	rundll32.exe	12
PID 4908 wrote to memory of 3564	4908	rundll32.exe	12
PID 3564 wrote to memory of 4424	3564	rundll32.exe	17
PID 3564 wrote to memory of 4424	3564	rundll32.exe	17
PID 3564 wrote to memory of 4424	3564	rundll32.exe	17

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c456da64cc8c42447c902256776c9d3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4908

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

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