a51b189bef445145de869a9a304f74148de73ee0cadd031b00bbdf9e0e8fdfc7

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21/07/2024, 01:08

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General

Target

3d05d9b2f1659e32edf8d64c9b62d580N.exe
Size

39KB
MD5

3d05d9b2f1659e32edf8d64c9b62d580
SHA1

2c5491657e9afa1c7de20daee5bc5187985d84ff
SHA256

a51b189bef445145de869a9a304f74148de73ee0cadd031b00bbdf9e0e8fdfc7
SHA512

1d30b1a6155a1887736c51d43cc82e17c2b776001abb4c2480662a8ffef943ca0a885cfc24b252998fe303a8950af26ea804820e869b0f14e09273a21fd8b23b
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhN:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYt

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2772	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	3d05d9b2f1659e32edf8d64c9b62d580N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	3d05d9b2f1659e32edf8d64c9b62d580N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2772	2136	3d05d9b2f1659e32edf8d64c9b62d580N.exe	31
PID 2136 wrote to memory of 2772	2136	3d05d9b2f1659e32edf8d64c9b62d580N.exe	31
PID 2136 wrote to memory of 2772	2136	3d05d9b2f1659e32edf8d64c9b62d580N.exe	31
PID 2136 wrote to memory of 2772	2136	3d05d9b2f1659e32edf8d64c9b62d580N.exe	31

C:\Users\Admin\AppData\Local\Temp\3d05d9b2f1659e32edf8d64c9b62d580N.exe
"C:\Users\Admin\AppData\Local\Temp\3d05d9b2f1659e32edf8d64c9b62d580N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2772

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
39KB

MD5
45c66464bb7954c2ec07d454bae5ea48

SHA1
163e6f7b081c9d233b3a44a0e3b224ae4a5f66ce

SHA256
eee119a85f12d1a25bb40141ca11808c760f84f1500b4f2bde8bcfec90ffd442

SHA512
a03dbef9f70e621a89a832ce294a9ffb61db08648484e03c13cde518acc2a6e9552053e4f4d149bf6732167bf560a7ee406a80877c80ae7e8c36e30218c7096c

Download Submit
memory/2136-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2136-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads