83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d

Analysis

max time kernel
149s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/05/2024, 23:19

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General

Target

83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d.exe
Size

33KB
MD5

accaa7fff97849666a2d61cd8398259c
SHA1

d6ecedeaa8521d220d867674fd9572df4dcd5d53
SHA256

83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d
SHA512

3e4c8a98cbc394fff96260f70e0d3f75fdbcd5340e3708ae2fcb8618377b8794e86e9d6b82e4e002527d4e9edc849db7ad3d002e55abd53654b1a1cfc58c327f
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhW:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wY2

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2968	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2968	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"	83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2968	2804	83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d.exe	28
PID 2804 wrote to memory of 2968	2804	83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d.exe	28
PID 2804 wrote to memory of 2968	2804	83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d.exe	28
PID 2804 wrote to memory of 2968	2804	83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d.exe	28

C:\Users\Admin\AppData\Local\Temp\83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d.exe
"C:\Users\Admin\AppData\Local\Temp\83a205e9be2f482be3d6310a75a3e278d90a43f5f3c7058eea7de97e37b3309d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2968

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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
33KB

MD5
f83f7835b08d4a20a1a717cee1f9091e

SHA1
c7bd7e5c79f79bc82b8d3c3132b1e10535380280

SHA256
7bc9eafff12fd6d1e4c6c68642827b169a7df0ce8ede298deeddb93cedfa5b27

SHA512
ffe42849b5498c1fd042bf065000d4483dc6fe48521a86e26c9055c5b27a6c6ad996215680ad11367fd19c5a7934721afa789e13eb3b770c8c23c27e96285203

Download Submit
memory/2804-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2804-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2968-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads