b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 02:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9.exe
Size

42KB
MD5

e30618287fd017cd078d6625c83dbb2f
SHA1

9c505d0f6411dcb7924f36d9654ff2f671ff423c
SHA256

b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9
SHA512

d1e338bd89d7d5bf65f705e6ac9a2e3ee4b713d28bc1a8d70ac5672773f6d035ea4f6821612a50a9c3f73fcf6902878c0d7b7d1dc0607ff12968dc4e6702a6dd
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhh:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYB

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5016	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
5016	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-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 5016	3188	b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9.exe	86
PID 3188 wrote to memory of 5016	3188	b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9.exe	86
PID 3188 wrote to memory of 5016	3188	b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9.exe	86

C:\Users\Admin\AppData\Local\Temp\b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9.exe
"C:\Users\Admin\AppData\Local\Temp\b928b3ae6999864a0213a08d2d9fb73b555e9cf663a07c708d74727c03db56b9.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5016

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
42KB

MD5
bb588162fd2aa64e8009821965bfe511

SHA1
f618d712defadc04c7eab4919c5d6616f51f1a26

SHA256
f001b305f109f1c325c1dc5a8f7909a1ea97f8ed7d36ef360dba68637c94fc09

SHA512
10e8da93131ab50deeae2a1269229e37563409ee4c21086028c0ad9894e06356e9487f5b851e7ac7725014d15b516a10806776c9ea7dbe29aa58b6eae4d8e551

Download Submit
memory/3188-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3188-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads