netfilter | a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4

Analysis

max time kernel
14s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
18-06-2021 20:08

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General

Target

a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4.bin.exe
Size

9KB
MD5

8bf00ef4dd6bb308c76849901b03ccbd
SHA1

04e8a8d30869cf60ad42825667224d5cd01ade15
SHA256

a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4
SHA512

551365e55dbe599a156d1de1e59e388878e13d3a491efe963fda241ec58c1c38aaf2d46775c4e1d3c46760d081561f9ab5be9468974e4693a9b3c60a4478b454

Score

10^/10

netfilter persistence rootkit

Malware Config

Signatures

NetFilter
NetFilter is a rootkit first seen in June 2021.
rootkit netfilter
Downloads MZ/PE file
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
808	a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4.bin.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	808	a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4.bin.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 1876	808	a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4.bin.exe	78
PID 808 wrote to memory of 1876	808	a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4.bin.exe	78
PID 808 wrote to memory of 1876	808	a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4.bin.exe	78

C:\Users\Admin\AppData\Local\Temp\a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4.bin.exe
"C:\Users\Admin\AppData\Local\Temp\a5c873085f36f69f29bb8895eb199d42ce86b16da62c56680917149b97e6dac4.bin.exe"
1⤵
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\regini.exe
  "C:\Windows\System32\regini.exe" c.xalm
  2⤵
  PID:1876

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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