aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9c

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
11/11/2024, 12:34

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General

Target
aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9cN.exe
Size 39KB
Sample241111-pr24ysylaz
SHA256 aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9c
MD5 304a0959563c741bf6e670f395eac6e0
SHA1 0c67d63927cd8e47c29b599bbf3bffee023256d1
SHA512 15907bf512f58270b68cd4a38cbca063143b086c00479d0317a56d23267de86e05ce5b2527317c1da032fcf134dc31ed8462b264e63b72c8e6784796e9675a91
SSDEEP 768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/G:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gx
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3580	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3580	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9cN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9cN.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	aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9cN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 3580	4224	aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9cN.exe	83
PID 4224 wrote to memory of 3580	4224	aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9cN.exe	83
PID 4224 wrote to memory of 3580	4224	aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9cN.exe	83

C:\Users\Admin\AppData\Local\Temp\aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9cN.exe
"C:\Users\Admin\AppData\Local\Temp\aefa7dcaae472c3274cdaaae64400c395a0dd1128175170b63d51e8aac58cb9cN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- 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:3580

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

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 39KB
SHA256 bdca3d640ce37ced7424d26b6329960831d3a6661cbb7a894259e4500e32125f
MD5 0cd236abefd7c3473b06e85872187a43
SHA1 facb6ff3f10baa1d3bd3b46d5fc203192a885bb0
SHA512 8abfcad77bacb374bd37460e0bcc7402a232171fec6d466d279b526d1652c23f8d4645938c8f78166cfa5f625da1bebddc5c8e54bd229e495eab3868f6fdaf34
SSDEEP 768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/P:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gc
MD5 SHA1 SHA512 SSDEEP

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memory/3580-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4224-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4224-4-0x0000000000400000-0x000000000040E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads