2f7557b061d891004ac34a76fb70a3b261b57dabed6127c6d479daf71f9e4456

Analysis

max time kernel
119s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 02:02

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General

Target

66a0845cbaa065ba76c5020069e9bca0N.exe
Size

63KB
MD5

66a0845cbaa065ba76c5020069e9bca0
SHA1

ee6b237c046083d3e7ca8a192c2726275d3f0d6c
SHA256

2f7557b061d891004ac34a76fb70a3b261b57dabed6127c6d479daf71f9e4456
SHA512

1e3a7f4b92a27e91da81bbe89102efe84c8b94f950c8df95d47010a872923542de31bc515e58f3d2fc818fc40aed9946e0fedb41302eb73167f1692b347ae411
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uZd7ZYhl:lAo1lOwvlKlXBP6vghzwYu7vih9GueIb

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2700	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	66a0845cbaa065ba76c5020069e9bca0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	66a0845cbaa065ba76c5020069e9bca0N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	66a0845cbaa065ba76c5020069e9bca0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2700	3012	66a0845cbaa065ba76c5020069e9bca0N.exe	84
PID 3012 wrote to memory of 2700	3012	66a0845cbaa065ba76c5020069e9bca0N.exe	84
PID 3012 wrote to memory of 2700	3012	66a0845cbaa065ba76c5020069e9bca0N.exe	84

C:\Users\Admin\AppData\Local\Temp\66a0845cbaa065ba76c5020069e9bca0N.exe
"C:\Users\Admin\AppData\Local\Temp\66a0845cbaa065ba76c5020069e9bca0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2700

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
63KB

MD5
7c822c07c6070c9be4f880a9d84f7598

SHA1
ca4f7a75457d7ee1d9dbc29399a32a3dd54f3281

SHA256
5902eafb5832b5bdf3b42150338e8e8c77fb41ac50cc92ebccee5cc0b06b84ce

SHA512
4e8e6d93346f0cc0246bc375adf6253621ce73c0cbb635a8edf4a009da6b1e5dca88246b0c8323284342762f304d1ce2f7048251e78cc03db3263917cd42fd27

Download Submit
memory/2700-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3012-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3012-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads