da395c3189f346b672bdad80001e24eca0077772ac9e5080d65fe6c38e90e21e

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 06:57

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General

Target

5b51d272a8242933339795d99ac3df60N.exe
Size

77KB
MD5

5b51d272a8242933339795d99ac3df60
SHA1

79cf141515070d84e765a21e417e3ed573fbaf07
SHA256

da395c3189f346b672bdad80001e24eca0077772ac9e5080d65fe6c38e90e21e
SHA512

9a61ab09a28f6f843c88abfbf7baf339758cc17623cd25b470515961b08839ad3a6303b1b6ad7994ca990c4b87a4fba54808989d7bc9f0270242a66370f6804a
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvPHG3GvUhCHi1X5GoOvmHO1:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAL

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
720	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
720	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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	5b51d272a8242933339795d99ac3df60N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	5b51d272a8242933339795d99ac3df60N.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	5b51d272a8242933339795d99ac3df60N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 720	2000	5b51d272a8242933339795d99ac3df60N.exe	30
PID 2000 wrote to memory of 720	2000	5b51d272a8242933339795d99ac3df60N.exe	30
PID 2000 wrote to memory of 720	2000	5b51d272a8242933339795d99ac3df60N.exe	30
PID 2000 wrote to memory of 720	2000	5b51d272a8242933339795d99ac3df60N.exe	30

C:\Users\Admin\AppData\Local\Temp\5b51d272a8242933339795d99ac3df60N.exe
"C:\Users\Admin\AppData\Local\Temp\5b51d272a8242933339795d99ac3df60N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:720

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
6c04fc4cc5ef3c02fef0db90bf382c62

SHA1
c33b153576a8ea99308d68943e0e30baebf5a863

SHA256
2d26dc69ddd7d4c3ec97a36365ca0323c94cf642bddf756dca34a5cbe514c994

SHA512
f62d483e3ee13212551225bdf561b1b9f3febe0105ea8d2a11427a80d94df65b0886d7f0a019b71672cc44ab1dbbf033ecd6f1c5663f2b0f575bb43cbbc86d9c

Download Submit
memory/720-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2000-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2000-3-0x00000000003A0000-0x00000000003AF000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads