8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 05:00

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General

Target

8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.exe
Size

76KB
MD5

a25db1b41535dff74b943576c7071640
SHA1

910c494d443519993174d9bb4c847480e6835840
SHA256

8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079
SHA512

cebc7a2000d27949622c8ee96b204626f175058800fcb2b4ef0ed303e695eb92f4cb94c9f34d4532e18e784dcd88e015834ef14eca436d16d437450969e8d0a3
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTk:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAa

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2080	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2080	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.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	8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2080	2872	8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.exe	28
PID 2872 wrote to memory of 2080	2872	8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.exe	28
PID 2872 wrote to memory of 2080	2872	8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.exe	28
PID 2872 wrote to memory of 2080	2872	8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.exe	28

C:\Users\Admin\AppData\Local\Temp\8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.exe
"C:\Users\Admin\AppData\Local\Temp\8a169e3d759ec97e42ee0d25293124031ea670f9df9d1b1a0b6a2923ead94079N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2080

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
77KB

MD5
42ac997fe213272b18175743572de727

SHA1
90f4ccc208f48e428a76113e70477493e0bbab79

SHA256
65dda4b7a04efbf0b0fa6be377772a4e099e61ad240c1292b086930d81fc79f0

SHA512
2794dbb1b897afddf534872dc03c82851f1f06231a9aa9e89c20be71e3e4c49f104f0ac962c8a7da7cc6e26235af0a977b2de4ef2cde8551f53311843c225fd7

Download Submit
memory/2080-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2080-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2872-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2872-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads