cab071538bdb2266aaf086dee05b461558d69c64465432444c48f219d430af5d

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 01:12

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General

Target

75fea9f69c41e1ceaeb74d088dbcdc5a.exe
Size

7KB
MD5

75fea9f69c41e1ceaeb74d088dbcdc5a
SHA1

8aba64bb9a5906dcde063323514171f4291f0d31
SHA256

cab071538bdb2266aaf086dee05b461558d69c64465432444c48f219d430af5d
SHA512

88f1f3c0786ec9b62ff3ff7827b4dcd75cf3ca490b8727a9226cc7773595b5a75ace8ec0ebe3720def74f88dcbcd47a4a6bfa57fc0dab55bdd73ecefd91f5b75
SSDEEP

192:8Y33nqUZn7OcXTVK5/fEgU3ud+iCX59deQD:8Y33qi7Fg1X5d+i85ft

Score

8^/10

evasion persistence upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2052	netsh.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3532-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3532-1-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3532-21-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3532-28-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\kernels8.exe"	75fea9f69c41e1ceaeb74d088dbcdc5a.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kernels8.exe	75fea9f69c41e1ceaeb74d088dbcdc5a.exe
File opened for modification	C:\Windows\SysWOW64\kernels8.exe	75fea9f69c41e1ceaeb74d088dbcdc5a.exe
File opened for modification	C:\Windows\SysWOW64\dlh9jkdq8.exe	75fea9f69c41e1ceaeb74d088dbcdc5a.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 2052	3532	75fea9f69c41e1ceaeb74d088dbcdc5a.exe	100
PID 3532 wrote to memory of 2052	3532	75fea9f69c41e1ceaeb74d088dbcdc5a.exe	100
PID 3532 wrote to memory of 2052	3532	75fea9f69c41e1ceaeb74d088dbcdc5a.exe	100

C:\Users\Admin\AppData\Local\Temp\75fea9f69c41e1ceaeb74d088dbcdc5a.exe
"C:\Users\Admin\AppData\Local\Temp\75fea9f69c41e1ceaeb74d088dbcdc5a.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\75fea9f69c41e1ceaeb74d088dbcdc5a.exe' enable
  2⤵
  - Modifies Windows Firewall
  PID:2052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3532-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3532-1-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3532-21-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3532-28-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads