cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899e

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 13:11

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General

Target

cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899eN.exe
Size

40KB
MD5

783c967afba1670847c5b3cad77ad4e0
SHA1

4a3000237fd83e37e3c4ad078e524ac76ae48700
SHA256

cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899e
SHA512

b3c98452560648096e302630bf61f14d8351daf7386475fc24240a355e031f2caa519dd3075670587dac3961e4005d1a31a6cd03f84e3add7d77f44aa442e28c
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IH:e6q10k0EFjed6rqJ+6vghzwYu7vih9GT

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4832	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4832	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"	cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899eN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899eN.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	cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 4832	2972	cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899eN.exe	82
PID 2972 wrote to memory of 4832	2972	cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899eN.exe	82
PID 2972 wrote to memory of 4832	2972	cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899eN.exe	82

C:\Users\Admin\AppData\Local\Temp\cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899eN.exe
"C:\Users\Admin\AppData\Local\Temp\cbb697b79288805a57e0b54e5bbf147d5f03fc968199ba2ba465e8927648899eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- 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:4832

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
40KB

MD5
623bb0de5c5a4d26d21bf748e28be988

SHA1
69521f156ebc1461a0a0f5edf440931d42fef3a6

SHA256
ad2042beae6bf5d12578eba45cb03655cd09b37b350aad395867ad1be968f809

SHA512
b25f05fc4c1580061dd8c6f0a11cb1b660b447d835ca37fe1fadb53bcf3f8609569b109d52f9758b1dacf84bdf06bcd4f2c0e00e4d7617bb74c85f169f4b3929

Download Submit
memory/2972-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2972-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4832-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4832-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads