cfc19b9d84d6617fe9ffb19e87718432f0419614c9f3a38f27703879eb6447aa

Analysis

max time kernel
119s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 03:05

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General

Target

543e52d81284e2cc15ba36541539af70N.exe
Size

74KB
MD5

543e52d81284e2cc15ba36541539af70
SHA1

6cccab8d0286854acc9b5e662147fedbf543a49c
SHA256

cfc19b9d84d6617fe9ffb19e87718432f0419614c9f3a38f27703879eb6447aa
SHA512

549383af19ceacd13c0486ca14b3b939c4c350c63e26d48d6142e6cbae5b2dec6b3ce89ced0000fde84f41de5146740eb1d7c7d27c1fbb048bc3533446dc1399
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN43vBKMvWPqH5kYhpvEHchVvhA+n:xAo1lOwvlNlXBvsI7hrhEh9cpDN43vBH

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3392	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3392	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	543e52d81284e2cc15ba36541539af70N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	543e52d81284e2cc15ba36541539af70N.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	543e52d81284e2cc15ba36541539af70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 3392	4816	543e52d81284e2cc15ba36541539af70N.exe	83
PID 4816 wrote to memory of 3392	4816	543e52d81284e2cc15ba36541539af70N.exe	83
PID 4816 wrote to memory of 3392	4816	543e52d81284e2cc15ba36541539af70N.exe	83

C:\Users\Admin\AppData\Local\Temp\543e52d81284e2cc15ba36541539af70N.exe
"C:\Users\Admin\AppData\Local\Temp\543e52d81284e2cc15ba36541539af70N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4816
- 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:3392

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
74KB

MD5
76003898ee7b056b5939b380946b7795

SHA1
964a7bdb5a8e1d422bb016e86a247a6b373e51e9

SHA256
bf79ffa3a964175a9e48f1e4f364c147eed56ec53d9f75a95b0a7efa6a57d1e7

SHA512
bb3193bbf0778c23690f500887613cf24149ccd9812f8ed86e9e2d02b516a6bd5d0a4173446cf151730f85338ecc722e0ab15326fda56667b48e3bd582042500

Download Submit
memory/3392-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3392-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4816-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4816-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads