c33f9368cc547d804e68fc1489faf08e5d36feda402073cf7d5130f1906a2123

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 02:24

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General

Target

feac0d3374b6fe4c23870e769e5f2e40N.exe
Size

66KB
MD5

feac0d3374b6fe4c23870e769e5f2e40
SHA1

6957c9d3557c40da03c24f96398f1c208addc35b
SHA256

c33f9368cc547d804e68fc1489faf08e5d36feda402073cf7d5130f1906a2123
SHA512

971f059acaae27e69c34c07d1db39d808a465e202a2dffccbc62ef38aec1f1ed80880aa8c00639f6ac3c96e087fd06f77d68b6abf49a9ebcb84cf6cf9bc5a504
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhJgvM:lAo1lOwvlKlXBP6vghzwYu7vih9GueIM

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4868	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4868	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	feac0d3374b6fe4c23870e769e5f2e40N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	feac0d3374b6fe4c23870e769e5f2e40N.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	feac0d3374b6fe4c23870e769e5f2e40N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 4868	2724	feac0d3374b6fe4c23870e769e5f2e40N.exe	83
PID 2724 wrote to memory of 4868	2724	feac0d3374b6fe4c23870e769e5f2e40N.exe	83
PID 2724 wrote to memory of 4868	2724	feac0d3374b6fe4c23870e769e5f2e40N.exe	83

C:\Users\Admin\AppData\Local\Temp\feac0d3374b6fe4c23870e769e5f2e40N.exe
"C:\Users\Admin\AppData\Local\Temp\feac0d3374b6fe4c23870e769e5f2e40N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- 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:4868

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
66KB

MD5
6d297417540015fb671fb1bae3e2dc74

SHA1
c105a122ee3b9a23c213a71cc0eb3b67d4c45034

SHA256
8b08be16ed1e4767b36814797a0403a5e18e97c9f012f8a3dec737b0654303c0

SHA512
58dafda3fbba7b0265d21906139481f9855d905c86a5d4954afddd3d6c7d28ab63bd4cad5451dc60bba6b3717639411b83cc6c1f84283e9eb3283c07a92b3b61

Download Submit
memory/2724-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2724-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4868-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4868-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads