b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/11/2024, 05:42

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General

Target

b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.exe
Size

54KB
MD5

3a9bedb4a56428288d5f24078fb4dafc
SHA1

29eae63b6760adc4c8515fe72da87e5ba50442c0
SHA256

b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13
SHA512

a794343e00c846956e3c88e6b0467f6419e89b58b92c160e1ff558b0324ab7190afdf68b418749b3de40272f62b3987be5fafb6d113cda85ab4b7d9392415867
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh:E1oEFlt6vghzwYu7vih9GueIh9j2IoHx

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.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	b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2080	2680	b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.exe	30
PID 2680 wrote to memory of 2080	2680	b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.exe	30
PID 2680 wrote to memory of 2080	2680	b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.exe	30
PID 2680 wrote to memory of 2080	2680	b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.exe	30

C:\Users\Admin\AppData\Local\Temp\b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.exe
"C:\Users\Admin\AppData\Local\Temp\b67e8fcc73875fde2623cef5db867d6e0e9a4452184208c4aa148873e925fa13.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- 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
54KB

MD5
22736331293968965c38eb7490cdc757

SHA1
3549bf356795a7146765e57bc4d03af002b14632

SHA256
9f03c93713d737681b0a69fb540646ca652774a19d76c74a3a7373b62e3b6c34

SHA512
92feae0406c04283342bba2451d3dcde95b5cd8f57079b6168c085a94734e7b4d298d13ee4f6ab4c3a5908d233610704b3e9b2252fcecc86726b0d16232a3f2c

Download Submit
memory/2080-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2680-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2680-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads