8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25/05/2024, 00:41

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General

Target

8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662.exe
Size

34KB
MD5

5133e0a5af155e9bb004df7427faaa0e
SHA1

f5b3023d39c8266896cae7e2bf5c1e66ae6ea8e8
SHA256

8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662
SHA512

f320b7006862e8b0ea600580e769d111ab250996f36815da3c4fb974806c5b627fffe2818906948a1c8787c4174aeb4389c82a507fcc07d28cdbdbe29087c448
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhY:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wY4

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1904	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1904	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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1904	1684	8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662.exe	28
PID 1684 wrote to memory of 1904	1684	8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662.exe	28
PID 1684 wrote to memory of 1904	1684	8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662.exe	28
PID 1684 wrote to memory of 1904	1684	8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662.exe	28

C:\Users\Admin\AppData\Local\Temp\8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662.exe
"C:\Users\Admin\AppData\Local\Temp\8fff7c4240b9726eced14b5d74abbe93bc74c733d066c87f18c7f3eb5c3e4662.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1904

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
34KB

MD5
d0d28e646dde807e24114929f419c9a1

SHA1
447d4e49d221a6a480b9414237b18239280d0091

SHA256
ac0f8ba4b30dd4edbfb32c299b73dd58732e086431ccc6e5cfa0eaff8b3fd29d

SHA512
9ac599f271f73b5c20eb52cada5ccd573bb568473603a5b6c8bbd14ef6c39118a60d7ec7fcbe22febaf66ba53ead1f0fea9fdce74974e40df076f2def886f417

Download Submit
memory/1684-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1684-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1904-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads