9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928e

Analysis

max time kernel
119s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 14:56

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General

Target

9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928eN.exe
Size

47KB
MD5

8897d43871b7052fddce9c50cb1e6540
SHA1

d41229554604cacfcfa35646298c5166939b94e4
SHA256

9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928e
SHA512

67b696f6439d816b573b88475ad104d3ffbe7fbbf1c4d21dfba240d473f9b4d16732d13b4693b5060a5fedfffdbcbedbe53e08d731599e4f0eccd86649980209
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhf:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2572	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2572	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928eN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928eN.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 2572	4792	9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928eN.exe	82
PID 4792 wrote to memory of 2572	4792	9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928eN.exe	82
PID 4792 wrote to memory of 2572	4792	9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928eN.exe	82

C:\Users\Admin\AppData\Local\Temp\9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928eN.exe
"C:\Users\Admin\AppData\Local\Temp\9b3514afa7c8c935e0a974a89c5b2595322fa75d7d27782cbcfe5e5c46b4928eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2572

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
47KB

MD5
aebab1c0a3109933cb570ea46918292b

SHA1
710dce00f612cc38d27736cca65b05039ca1b8bc

SHA256
205eb2b634a847d07cc43f54bd75b24cf1e017badd6652bf8bea248fa410c70c

SHA512
6648b110f3f4f2a3da31a882d90f1b11cafab8ae53aa7175e9a745569f64c02bda1c8aca78ab034b23b5f1bbca49c1c940596a42757992b4f6fc8f1fbbabcbe3

Download Submit
memory/2572-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2572-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4792-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4792-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads