netfilter | cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7v20210408
submitted
18-06-2021 21:20

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General

Target

cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce.bin.exe
Size

114KB
MD5

400c1c6312f99e4640077994bbfaedde
SHA1

657a875554b075eb7f2d314bbbe967c789624b30
SHA256

cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce
SHA512

00b05036757e558c3d210f838dce3c8b2b4808655263cc1d69bf21a78e93f6ad52b6a20a4d68ac033fdf06eecc334690190f38e8435dc64fab3d64b7fc1d5c96

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
788	cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce.bin.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	788	cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce.bin.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 1580	788	cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce.bin.exe	32
PID 788 wrote to memory of 1580	788	cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce.bin.exe	32
PID 788 wrote to memory of 1580	788	cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce.bin.exe	32
PID 788 wrote to memory of 1580	788	cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce.bin.exe	32

C:\Users\Admin\AppData\Local\Temp\cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce.bin.exe
"C:\Users\Admin\AppData\Local\Temp\cb8e536680732b474a5c26970ace2087667622caa3dd82c1c56731a7c5a1c8ce.bin.exe"
1⤵
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\SysWOW64\regini.exe
  "C:\Windows\System32\regini.exe" configure.xalm
  2⤵
  PID:1580

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

Replay Monitor

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Downloads

memory/788-60-0x0000000075AA1000-0x0000000075AA3000-memory.dmp

Filesize
8KB

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