31d597832381b8942553b8faeced3c5c79cbeb84ac5b21879326ec7df9cc187d

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
15/09/2024, 00:34

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General

Target

3eddd85530c4bd3f37e9109942e36040N.exe
Size

79KB
MD5

3eddd85530c4bd3f37e9109942e36040
SHA1

4d1539ab45a9b196318b7489207235002db60013
SHA256

31d597832381b8942553b8faeced3c5c79cbeb84ac5b21879326ec7df9cc187d
SHA512

fef29c215b3e3b398ef3d2775cef87a3a44bee8127bd13eb66bdc22513b9d495c3f15a65badc6fbac5c70fc409ca6be38397da6f3ccc5ec0c442e46b294c6154
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvT3:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAB

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1316	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1316	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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	3eddd85530c4bd3f37e9109942e36040N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	3eddd85530c4bd3f37e9109942e36040N.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	3eddd85530c4bd3f37e9109942e36040N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1316	2404	3eddd85530c4bd3f37e9109942e36040N.exe	28
PID 2404 wrote to memory of 1316	2404	3eddd85530c4bd3f37e9109942e36040N.exe	28
PID 2404 wrote to memory of 1316	2404	3eddd85530c4bd3f37e9109942e36040N.exe	28
PID 2404 wrote to memory of 1316	2404	3eddd85530c4bd3f37e9109942e36040N.exe	28

C:\Users\Admin\AppData\Local\Temp\3eddd85530c4bd3f37e9109942e36040N.exe
"C:\Users\Admin\AppData\Local\Temp\3eddd85530c4bd3f37e9109942e36040N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1316

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
8bf051c020e222d131f6cf54e28ed985

SHA1
9be1c3efec1011c41c85a59ac17f77b97d024d5c

SHA256
9485facef5c52f6a1fcb779638e250aef2a478ae87c14972338bbe916ad60c50

SHA512
837aa0191f888dbd85c416eb66265058e2c62b804d42109ac3dce0d60a32b5f4826adeddd0d033fc591db8310ebd28a5002373d43082e0ac138966a8255a6716

Download Submit
memory/1316-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2404-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2404-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads