66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 22:21

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General

Target

66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151.exe
Size

60KB
MD5

590b6568338a85992c078f5966036cbe
SHA1

088f59fc849cdb52ec5d696e8878a1043e983ca9
SHA256

66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151
SHA512

ebe935f4cbd7cd82738f3afbfc358c95a144a01b202e7a1fe3006defbde22a3df789d9b7c8bc7709a1c0ae3c82c30569df6f9a812d94e59923b539d550274203
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIM:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVO

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4344	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4344	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151.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	66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 4344	4092	66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151.exe	82
PID 4092 wrote to memory of 4344	4092	66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151.exe	82
PID 4092 wrote to memory of 4344	4092	66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151.exe	82

C:\Users\Admin\AppData\Local\Temp\66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151.exe
"C:\Users\Admin\AppData\Local\Temp\66f440cae211d40fd5bc18e7de99c952f9d161dc5353ba967c1fc38edb5a0151.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4344

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
60KB

MD5
19b684a11f34f070b8cc85061d965d59

SHA1
9ac9ed52ee582fd7841cd8b680d9f2027408a9c7

SHA256
da8fa13c3d028451e753403a49d3e59765e4cdb23a151aa5606468722ac9b3f8

SHA512
4a5a9b0d433183612efed50e2d19a227417579af74e2bc1bc8b7985a55f5bdd27a8fe9456cd2bb74c4bdaadae0236dc5f0627bcce5d19f6a1de2dfd21c9ca03f

Download Submit
memory/4092-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4092-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4344-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads