29a5ddb5c75a46d3c59c6b198a2c20945d213e8884605496ca80e4f05d1a4824

Analysis

max time kernel
119s
max time network
114s
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 11:38

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General

Target

28662e7ccba05aef9acdf35c76e48ec0N.exe
Size

39KB
MD5

28662e7ccba05aef9acdf35c76e48ec0
SHA1

ca56ef22cf6b1ed2f9faa0c29734a55e0034b0a6
SHA256

29a5ddb5c75a46d3c59c6b198a2c20945d213e8884605496ca80e4f05d1a4824
SHA512

35922c45802eea628ef601bd367d05a1b72ea0366a119a1118f46718474070e9c1f74c2594ce28abdb48848b54772308531648344915f0a79a470eb7ddf55fb6
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IO:e6q10k0EFjed6rqJ+6vghzwYu7vih9GC

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4784	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4784	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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	28662e7ccba05aef9acdf35c76e48ec0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	28662e7ccba05aef9acdf35c76e48ec0N.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	28662e7ccba05aef9acdf35c76e48ec0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 4784	3548	28662e7ccba05aef9acdf35c76e48ec0N.exe	83
PID 3548 wrote to memory of 4784	3548	28662e7ccba05aef9acdf35c76e48ec0N.exe	83
PID 3548 wrote to memory of 4784	3548	28662e7ccba05aef9acdf35c76e48ec0N.exe	83

C:\Users\Admin\AppData\Local\Temp\28662e7ccba05aef9acdf35c76e48ec0N.exe
"C:\Users\Admin\AppData\Local\Temp\28662e7ccba05aef9acdf35c76e48ec0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3548
- 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:4784

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
39KB

MD5
b8eed2190ecd6022cf51ab05d49a9585

SHA1
2ad773790fc9e2ae7415adb1664a99ae62507177

SHA256
b1b76c722a41740518594de9a0eb957f0406e58acb1ae5ad047d8b271be3499b

SHA512
3906e5008b690b18f462752dfb43bb49a29dd817f858d8262a0a4301fd66290276f110973d147083a839478cb943c20f2d6b5b3a162da5df5f5be6ee978e31ce

Download Submit
memory/3548-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3548-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4784-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads