6f577e95f1a9ece4b229401d4a2ab299ab4175f3a23394da42548e101a10c301

Analysis

max time kernel
119s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 18:32

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General

Target

083697ded4fc2defa67488a847bf9930N.exe
Size

41KB
MD5

083697ded4fc2defa67488a847bf9930
SHA1

774e2f426430ff1b3b9ecc87ca17138c27b4f85b
SHA256

6f577e95f1a9ece4b229401d4a2ab299ab4175f3a23394da42548e101a10c301
SHA512

cbc80b476323b1dffbabd419b5471692244b6edcebcbfcfd2db0c87cdb917f2a7301816302cb07dbc4ca19ae4b5498f5b7ed2bf88fbe72c1028cce0118f1a216
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhc:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY8

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4300	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4300	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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	083697ded4fc2defa67488a847bf9930N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	083697ded4fc2defa67488a847bf9930N.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	083697ded4fc2defa67488a847bf9930N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 4300	1884	083697ded4fc2defa67488a847bf9930N.exe	85
PID 1884 wrote to memory of 4300	1884	083697ded4fc2defa67488a847bf9930N.exe	85
PID 1884 wrote to memory of 4300	1884	083697ded4fc2defa67488a847bf9930N.exe	85

C:\Users\Admin\AppData\Local\Temp\083697ded4fc2defa67488a847bf9930N.exe
"C:\Users\Admin\AppData\Local\Temp\083697ded4fc2defa67488a847bf9930N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4300

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
41KB

MD5
b76022818bacb596a40ebe2060f6d41e

SHA1
e1a1139552139988141aab7eb732930fb056e992

SHA256
d3dd9ea923a186b95831c35703f3a5c71e5c60b77b6f5c73d3fe8eee84a1a398

SHA512
baeff24a52becf4d7fb6189e2c64066a0b73cb8538d7b1d88e32b998157d0cba55701b5226704664e491f511a8c2fc7ad689bda8223ef30bb577380bf3b14781

Download Submit
memory/1884-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1884-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4300-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads