775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 00:18

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General

Target

775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5.exe
Size

53KB
MD5

4946d44f979f45905c6b25a1feb8b94f
SHA1

c778c289f8934b612c2a5cace93b391fba57af47
SHA256

775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5
SHA512

caebc069721583d34922681755eabf426406460c0ed869a90f77bb261290bcfefbf66c69a5683bd4b6288d75d2a28f2d99e654a340a6a1bc66bd6a366cd02bfd
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIy:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVU

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
8	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
8	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5.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	775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3928 wrote to memory of 8	3928	775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5.exe	83
PID 3928 wrote to memory of 8	3928	775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5.exe	83
PID 3928 wrote to memory of 8	3928	775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5.exe	83

C:\Users\Admin\AppData\Local\Temp\775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5.exe
"C:\Users\Admin\AppData\Local\Temp\775dd7315f1fbf953768154b55646736015b724afbca71575122e978ac71c0e5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:8

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
54KB

MD5
3e6be4a0af8a3231a03411fc20d09ae9

SHA1
9632dacbc5c96e9ae47f0bcd73dcf60390967613

SHA256
4827009223f28338a79a17afccd409451644abda1d8205cd8e90b755cd4f75cf

SHA512
316a8a2c9c1c6fd277995bb7d0ddb89b12f8640ca16a2b20906c835994f41fa0c52aa3f7c981adba8e99db2554c740b50b09a0316e706fd8621e74234e500aab

Download Submit
memory/8-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/8-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3928-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3928-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads