75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86d

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 14:53

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General

Target

75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe
Size

79KB
MD5

f234a901d0c7cc09e0c65d6990371850
SHA1

70d3e419f1eb5bbbc49afa04b177fe7f2cfbf074
SHA256

75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86d
SHA512

8074e39914bba3bc12b8801cb3909d0ce952bcfc02ffb0e416698cd2fe51a9cab902ee897f8934aa02386df58140ae21d6286e5e8191448e51c35a5feafb620a
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTj:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAt

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
704	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
704	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 704	2544	75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe	29
PID 2544 wrote to memory of 704	2544	75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe	29
PID 2544 wrote to memory of 704	2544	75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe	29
PID 2544 wrote to memory of 704	2544	75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe	29

C:\Users\Admin\AppData\Local\Temp\75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe
"C:\Users\Admin\AppData\Local\Temp\75bea9918655acaff8572d929e99a6cae648c0893d00ef2307cc2e2b17a9f86dN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:704

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
79KB

MD5
de8f55ab45bd31642c53d66444ccecda

SHA1
0795f96ae27ba02ab60102da805457e1ac7a65dc

SHA256
d056904ef34a20e6bd96eaefe227df6f6be7a8f7a8a02c795db0623b71fb6bb5

SHA512
1138bd03129b002a57b2ad12b60fbf0cfc9062000364e2f09756535ac670fbc538fda8a8e00e30adc0ed5c11e453a17444cf48e646568f0a405efcaf921767b2

Download Submit
memory/704-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/704-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2544-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2544-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads