938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 00:55

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General

Target

938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef.exe
Size

52KB
MD5

7b2ea3b25ca4aa915af9d7986f3e2365
SHA1

0c1f81cf4af389e29908fcb104484d4ffc10a8d2
SHA256

938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef
SHA512

befcf16287e07b18c8b245e1c8920b9f7c98d0424eb8e92efc813041e876e8ab218995a9c15d62798c5269984197a0f45bb1fbc48afd657044aa9acca964a288
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIV:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2612	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2612	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef.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	938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2612	1976	938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef.exe	84
PID 1976 wrote to memory of 2612	1976	938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef.exe	84
PID 1976 wrote to memory of 2612	1976	938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef.exe	84

C:\Users\Admin\AppData\Local\Temp\938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef.exe
"C:\Users\Admin\AppData\Local\Temp\938f3781da82421d49f5b461104348699b27d9957b146fe4620d02849f4a22ef.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2612

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
52KB

MD5
1dc59760c5f08158d5e622626b270ef4

SHA1
1afe994469c7552dfa9109db6f9827b475f9d561

SHA256
cdb39e91523f5e9683e3de0a5984131f56ed5ba8919c1d7b2c0a0528b8d120fa

SHA512
0ee413f71d4dad19475e402a9f9740909be63bb366c6baeff1b1f8304a313bba3565da22211ab70a07937b167f7b204a9450dd8eecfe3138a33ef205733d4f66

Download Submit
memory/1976-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1976-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2612-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2612-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads