netfilter | 659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7v20210410
submitted
18-06-2021 21:18

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General

Target

659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe
Size

9KB
MD5

83720e64aa1388d55324a22536bd39cd
SHA1

8fa3636a7697f953d7daa02a313981b9e3bc98e4
SHA256

659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9
SHA512

0ab402911cdefceb9a6ade0b968b10c628fed6da17097b8cd943f76527078a597425c8d0845bb86f0318ee1967dd3f43aa951f822b79933da475eb1ace70922d

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

Processes:

659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe

pid	Process
1676	659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe

description	pid	Process
Token: SeLoadDriverPrivilege	1676	659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe

description	pid	Process	procid_target
PID 1676 wrote to memory of 896	1676	659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe	32
PID 1676 wrote to memory of 896	1676	659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe	32
PID 1676 wrote to memory of 896	1676	659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe	32
PID 1676 wrote to memory of 896	1676	659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe	32

C:\Users\Admin\AppData\Local\Temp\659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe
"C:\Users\Admin\AppData\Local\Temp\659e0d1b2405cadfa560fe648cbf6866720dd40bb6f4081d3dce2dffe20595d9.bin.exe"
1⤵
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Windows\SysWOW64\regini.exe
  "C:\Windows\System32\regini.exe" c.xalm
  2⤵
  PID:896

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

C:\Users\Admin\AppData\Local\Temp\c.xalm

MD5
e4a1a575a3c19abc5ff8fd9f3fece159

SHA1
d15d4c436faeb642871c33932da2f31e265d200c

SHA256
60c77aa3a588cb9c807d934f0352fbedc9e64046a972f1ad9fdbf229c9158a26

SHA512
23f01e80234f19ce071646b978646279bc1d8f883248c405e2e10ac75d8f67fc08d4109fc87a7021ccec3ae083c53e78c62045383d25622115cd05b0e6972fff

Download Submit
memory/896-61-0x0000000000000000-mapping.dmp

Download
memory/1676-60-0x0000000075971000-0x0000000075973000-memory.dmp

Filesize
8KB

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