872950909acaab493f2e1d249afd9eea556c568eb9d6603dd0e8c9d07d194687

Analysis

max time kernel
119s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 07:31

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General

Target

7c3b8fba9effae690dbef5d5e5fb56e0N.exe
Size

40KB
MD5

7c3b8fba9effae690dbef5d5e5fb56e0
SHA1

4185551d634c4361776aaa68521192f679988ec1
SHA256

872950909acaab493f2e1d249afd9eea556c568eb9d6603dd0e8c9d07d194687
SHA512

96201d7a018a0c1b802d24207dee48d8b0950d9605904e7a1fa951a8c16c69fc83711208d2f2f9b3eacc11536ae60027d5c336605975a61e9cd718abe8f96191
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhj:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYD

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3136	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3136	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-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7c3b8fba9effae690dbef5d5e5fb56e0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7c3b8fba9effae690dbef5d5e5fb56e0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 3136	1760	7c3b8fba9effae690dbef5d5e5fb56e0N.exe	84
PID 1760 wrote to memory of 3136	1760	7c3b8fba9effae690dbef5d5e5fb56e0N.exe	84
PID 1760 wrote to memory of 3136	1760	7c3b8fba9effae690dbef5d5e5fb56e0N.exe	84

C:\Users\Admin\AppData\Local\Temp\7c3b8fba9effae690dbef5d5e5fb56e0N.exe
"C:\Users\Admin\AppData\Local\Temp\7c3b8fba9effae690dbef5d5e5fb56e0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:3136

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
40KB

MD5
b7f49dbf4343fa723b9ba084c752c1f2

SHA1
fcbec6ffd1dfaf767b73f4a98ddedfb6372a4307

SHA256
1e1e8b995bbe264fcad91691c8fd847ebfca5aa2f540886a516c2f397710a48a

SHA512
fbaebc4a4adfaa1db86b94734ef83635cac0a3e04c00d3ff68ae26d9a049424090807931aa9e946b79b200d475063ff0c7c0ca70f61239fe273a7a0ce2bc7b70

Download Submit
memory/1760-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1760-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3136-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads