8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 17:06

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General

Target

8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958N.exe
Size

46KB
MD5

b30ac162aa4450ad63c1c914134a1f90
SHA1

5616d6b2e7b6e2cabcdb6a51e675fc2b8bb5ad61
SHA256

8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958
SHA512

b80cb06082a7f45572f3d62415eebcbe18425844ae1c320f588a0f44ab7445c5943f1a11d4683728fdee8dfdc5fb3c8f34b1c5e6e5035a88f5eb52c93765a3b4
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/K:e6q10k0EFjed6rqJ+6vghzwYu7vih9GF

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4524	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4524	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958N.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	8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 4524	3300	8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958N.exe	82
PID 3300 wrote to memory of 4524	3300	8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958N.exe	82
PID 3300 wrote to memory of 4524	3300	8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958N.exe	82

C:\Users\Admin\AppData\Local\Temp\8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958N.exe
"C:\Users\Admin\AppData\Local\Temp\8e31928cf3d7e560e5abc232b42a5af3ca604003475d7214dde03ce75ca35958N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3300
- 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:4524

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
46KB

MD5
9d396670b18bfa716c080dc9cba7db07

SHA1
86c234b435b2a69d731b8a538f627bca0d3a33ef

SHA256
6a4b63e959fa1650959f8684571e86223dabc1e21faa00444b9f87c39ad2f8f3

SHA512
c7e83a2e671eac829d4db2e8610d091f975a977b18c39fdccef9b758bff69a86d1c26251e6c31c8b712284e16cc602e2c1c29bed199b8a25cac70d4363691eda

Download Submit
memory/3300-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3300-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4524-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4524-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads