e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 00:07

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General

Target

e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe
Size

30KB
MD5

7ede0a2c0a04d685e4ae2a281f7742e0
SHA1

c00787923374f41d2fdc3f6f31755296ca36c443
SHA256

e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813
SHA512

7533a348e6b539d3272db876ca2dd66d8334231bde226e993151fdb49a5b6647b5d243336eef7a00b406acf4eb8529d69a3087e8360553bf1bf52b08777330c4
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wk7IErqyEOGNFbuSxhLIsv/hDhtMhvN:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wkF

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3040	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 3040	2132	e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe	28
PID 2132 wrote to memory of 3040	2132	e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe	28
PID 2132 wrote to memory of 3040	2132	e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe	28
PID 2132 wrote to memory of 3040	2132	e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe	28

C:\Users\Admin\AppData\Local\Temp\e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe
"C:\Users\Admin\AppData\Local\Temp\e640c771ccada59c9bb508d39d631931f73cfb6c74503f52c60b588330572813N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:3040

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
31KB

MD5
9de79913a93b869d7c096ddcd08016c5

SHA1
c3ee1415081713e7fd9861c7394389ba95324314

SHA256
98e31dc89a09383f57f4b9e591c5ea7b42de994728a2fc6487862af98e6361bd

SHA512
3aad63d8d629c28e88fe9baacf22cd8d7fe27ef7e7924f8265fd9ae4dcc7e057c281417636170133e0dad89d86897ee83bf429d31ffbccdcdda2f8b01a2bc24c

Download Submit
memory/2132-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2132-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3040-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads