19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-11-2022 04:40

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General

Target

19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe
Size

4KB
MD5

31bfb69dfe46c8634d224541d78ff200
SHA1

701049a8ec2d198fe754038daf2dc300224bbc53
SHA256

19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46
SHA512

326bd4da5567ebd511077b2b65c67bc5b3042a4667129d5aef8944e6d85add8d47cf65c71280b1884fe3c5040171b0e713148b3f23da8fb501e55148c1ead6e5
SSDEEP

96:LNpTc6T7aReJz3ZZk+wyCQ+BI9nElarjAhWPSHsIEdiZZZd/S4NQ:LNJ7aR0z3jk+wSUI906IWPwvEdgZZdK/

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\kernels64.exe"	19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe

Disables Task Manager via registry modification
evasion

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1676	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\kernels64.exe"	19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kernels64.exe	19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe
File opened for modification	C:\Windows\SysWOW64\kernels64.exe	19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1676	1092	19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe	27
PID 1092 wrote to memory of 1676	1092	19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe	27
PID 1092 wrote to memory of 1676	1092	19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe	27
PID 1092 wrote to memory of 1676	1092	19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe	27

C:\Users\Admin\AppData\Local\Temp\19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe
"C:\Users\Admin\AppData\Local\Temp\19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\19341d7058ae011dd9047a79e28a5cf8a626b73870e93cee3d3087b79d60aa46.exe' enable
  2⤵
  - Modifies Windows Firewall
  PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1676-55-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads