dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 21:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe
Size

67KB
MD5

7355361179bd12e6679c02061981af50
SHA1

95c294ef5c96cf75d0caaa571b157287a697b16e
SHA256

dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886
SHA512

a1aa304c7f287ad50730d23f1d62beabcfd40293c74862059fb8cbaba3b9590c68a8db4321555c843d1e036fbc5b4dfe75df55d0f0be31202b3a703a038b8c7b
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbRJhHhLhIKt:NAoglOwvl4ulkP6vghzwYu7vih9GueIQ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1720	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1720	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1720	2548	dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe	30
PID 2548 wrote to memory of 1720	2548	dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe	30
PID 2548 wrote to memory of 1720	2548	dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe	30
PID 2548 wrote to memory of 1720	2548	dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe	30

C:\Users\Admin\AppData\Local\Temp\dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe
"C:\Users\Admin\AppData\Local\Temp\dd171a357f13c95cc4282ad267e734a365e3e9bf8c22d43d5956264a98c39886N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1720

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
67KB

MD5
34141dcd68083cd87712804c0a57cdbb

SHA1
39df146bd0e9d37c53958c8102c1b3f31687cdd3

SHA256
db5cd2e0e37c705becf378c4f643d37446c5607e341a8e8606efd370a2bfc8f1

SHA512
e4cae04641cf2d5fbaede8e981700171056314c9bb658f7c8132a261420383ed589d807a27cf8081df64b911b856e65bf97538122c277c9148fa054b405c36a4

Download Submit
memory/1720-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1720-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2548-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2548-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads