bc5068d095aaf0f1faa2994d6ce018371630fbae985c744c4e7a38f4e5b00ae7

Analysis

max time kernel
93s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 14:37

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General

Target

a409abd79cc71db29f6843011eeccc61.exe
Size

80KB
MD5

a409abd79cc71db29f6843011eeccc61
SHA1

2270b28a86ff82f190822f5affcce27d122f6280
SHA256

bc5068d095aaf0f1faa2994d6ce018371630fbae985c744c4e7a38f4e5b00ae7
SHA512

712d0bcba2ce402649316214c2a744b1acb21b2db6676fe9a05eb0fa7c19d3b3c24dd0c67be9b5c13ffbf12f8559f43e6c88ff158ac1ac0cba5688d2d9b9d635
SSDEEP

768:1cuFHOp4agS24GTB3fU3uW7to1RuchFB1m/S2cjT2tDXv+Q:7rRS27fU3ho1RZFB1m/HcjUm

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5048	z.exe

Executes dropped EXE 1 IoCs

pid	Process
5048	z.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\run = "C:\\Windows\\z.exe"	z.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\z.dll	z.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\z.exe	a409abd79cc71db29f6843011eeccc61.exe
File opened for modification	C:\Windows\z.exe	a409abd79cc71db29f6843011eeccc61.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5048	z.exe
5048	z.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 5048	824	a409abd79cc71db29f6843011eeccc61.exe	87
PID 824 wrote to memory of 5048	824	a409abd79cc71db29f6843011eeccc61.exe	87
PID 824 wrote to memory of 5048	824	a409abd79cc71db29f6843011eeccc61.exe	87
PID 5048 wrote to memory of 3460	5048	z.exe	49
PID 5048 wrote to memory of 3460	5048	z.exe	49

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3460
- C:\Users\Admin\AppData\Local\Temp\a409abd79cc71db29f6843011eeccc61.exe
  "C:\Users\Admin\AppData\Local\Temp\a409abd79cc71db29f6843011eeccc61.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Windows\z.exe
    C:\Windows\z.exe @C:\Users\Admin\AppData\Local\Temp\a409abd79cc71db29f6843011eeccc61.exe@824
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:5048

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

Replay Monitor

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Downloads

C:\Windows\z.exe

Filesize
80KB

MD5
a409abd79cc71db29f6843011eeccc61

SHA1
2270b28a86ff82f190822f5affcce27d122f6280

SHA256
bc5068d095aaf0f1faa2994d6ce018371630fbae985c744c4e7a38f4e5b00ae7

SHA512
712d0bcba2ce402649316214c2a744b1acb21b2db6676fe9a05eb0fa7c19d3b3c24dd0c67be9b5c13ffbf12f8559f43e6c88ff158ac1ac0cba5688d2d9b9d635

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