4590fac601030d026b9ed024e25504f798becdac93f2a910ee8003b60d26f735

Analysis

max time kernel
175s
max time network
67s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 04:22

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General

Target

04f4b4effdc1391c2c894b97db7ea058.exe
Size

665KB
MD5

04f4b4effdc1391c2c894b97db7ea058
SHA1

1660bc1c8383123225b1b700fb0ea565abe4c98b
SHA256

4590fac601030d026b9ed024e25504f798becdac93f2a910ee8003b60d26f735
SHA512

59c6b8c78dc6ef29918d55ab32278e9161d1af76702588a5a7096604dcf96fe72f627558a1f2e5ddf7b2948b852e978c148452e4c87233fc987f5153f6b5f74f
SSDEEP

12288:3/eC0vZVQQxfnr+TK7r79/JenWAG36ATphjM5BvF:3/XwVQQxfnr+TK7r79/Je3GqArjM5BvF

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2776	svchest000.exe

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\Kris = "c:\\Windows\\notepab.exe"	04f4b4effdc1391c2c894b97db7ea058.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	04f4b4effdc1391c2c894b97db7ea058.exe
File created	\??\c:\Windows\svchest000.exe	04f4b4effdc1391c2c894b97db7ea058.exe
File opened for modification	\??\c:\Windows\svchest000.exe	04f4b4effdc1391c2c894b97db7ea058.exe
File created	\??\c:\Windows\notepab.exe	04f4b4effdc1391c2c894b97db7ea058.exe
File created	\??\c:\Windows\BJ.exe	04f4b4effdc1391c2c894b97db7ea058.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2776	3020	04f4b4effdc1391c2c894b97db7ea058.exe	30
PID 3020 wrote to memory of 2776	3020	04f4b4effdc1391c2c894b97db7ea058.exe	30
PID 3020 wrote to memory of 2776	3020	04f4b4effdc1391c2c894b97db7ea058.exe	30
PID 3020 wrote to memory of 2776	3020	04f4b4effdc1391c2c894b97db7ea058.exe	30

C:\Users\Admin\AppData\Local\Temp\04f4b4effdc1391c2c894b97db7ea058.exe
"C:\Users\Admin\AppData\Local\Temp\04f4b4effdc1391c2c894b97db7ea058.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3020
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:2776

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads