664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 16:11

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General

Target

664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496N.exe
Size

69KB
MD5

9d4b621d3084add460f0b2c84c05c8f0
SHA1

36d9d938b6dd84eb8d8c3e55577c3a69c3bb37ca
SHA256

664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496
SHA512

bc4ad8e3d08c7b2c1dcfa280ff4065416ca4c35b20a387cf4aed2afbaa5444635df957dc2c639eae142d36cbe086a518c90d1aae12a01acde16c463e4bf17760
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh66C2hthEhH/H+:NAoglOwvl4ulkP6vghzwYu7vih9GueIK

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1656	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1656	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496N.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	664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496N.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	664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 1656	2420	664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496N.exe	83
PID 2420 wrote to memory of 1656	2420	664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496N.exe	83
PID 2420 wrote to memory of 1656	2420	664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496N.exe	83

C:\Users\Admin\AppData\Local\Temp\664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496N.exe
"C:\Users\Admin\AppData\Local\Temp\664a5024225d162afd7426fd69deddaacd6dc1096e9ee6ae792916acadca7496N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- 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:1656

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
69KB

MD5
c9c124356cc963abc3d0a9492fb98e56

SHA1
231af1446f5d567619e54d691cb06603545eff4c

SHA256
206f2cb75112c8c3603b1848b66f4153ad74de6753bc85e3c39d9a17b3c0ba78

SHA512
0cc9a58125d51f10d2b5a1970bac5836b8bffc9a5bb52bcd48b95156984c86421e4258923b13432fc78daa4cce14ed42a648a963ee56038e5dcd0d98a05bb4e3

Download Submit
memory/1656-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2420-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2420-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads