a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 01:22

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General

Target

a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc.exe
Size

25KB
MD5

17cf4edbfca45997704b0d488024b621
SHA1

1f823dd17241c94dfc50b86992bbab3822fd5f3b
SHA256

a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc
SHA512

96c2a947688fe50b72c7bdfba2e592d2aa5836c1d20ca843e03cd24e9d2aac3bef87e63c793dbb0d83e39423423d193204763358ac07b15fb5379455066515cd
SSDEEP

768:7qPJtecA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdOTW:7q+cA6C1VqaqhtgVRNToV7TtRu8rM0wq

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2600	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2600	microsofthelp.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\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2600	2660	a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc.exe	28
PID 2660 wrote to memory of 2600	2660	a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc.exe	28
PID 2660 wrote to memory of 2600	2660	a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc.exe	28
PID 2660 wrote to memory of 2600	2660	a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc.exe	28

C:\Users\Admin\AppData\Local\Temp\a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc.exe
"C:\Users\Admin\AppData\Local\Temp\a4adf580b079ecc006ba5ca39c3dbb4759b8afb73126eb9b511a08c41961b6bc.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2600

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\microsofthelp.exe

Filesize
26KB

MD5
5a3ce79b6c1ae7a0b23387bb3cb25161

SHA1
4f48649b7e3211983e4d2c8dbf16603727e9fb27

SHA256
45da75d269e60c02515e304182cc5caaa935fe0a8b9cef8115e1aacb6d508af5

SHA512
2121ead2f47b2b0ce3bfef5017e89134164d3d678b4964c00131d714479c2707bb2f25ae96131b1f4d692525953267d143cd4bc8b9cd805ae06b55bd4d058003

Download Submit
memory/2660-0-0x0000000000400000-0x0000000000402000-memory.dmp

Filesize
8KB

Download
memory/2660-6-0x00000000002A0000-0x00000000002A2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads