4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 08:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe
Size

58KB
MD5

8ac8efba7a86f4b13a1d10b62f78a550
SHA1

e53dfd01b4d1ceb67265ffbdf2c86fe212f6d790
SHA256

4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02
SHA512

2a56342dcbadd1513c53b215ec5386bdb7593d4c6f520bac5e7a6a07decb7e97e99ec7799ff837a260363df667d009df39126a1471ce3e798d566ede4ba708e0
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI8:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVe

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2504	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2504	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2504	2296	4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe	30
PID 2296 wrote to memory of 2504	2296	4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe	30
PID 2296 wrote to memory of 2504	2296	4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe	30
PID 2296 wrote to memory of 2504	2296	4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe	30

C:\Users\Admin\AppData\Local\Temp\4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe
"C:\Users\Admin\AppData\Local\Temp\4bf1285d93c1be0aedc0fcf295e37c895fcca686696da6f485cf5fb5c1520d02N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2504

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
58KB

MD5
8bce9f2e1af3d13213ef336d1601af65

SHA1
674978ae15bcda2c64caa6995ac39952cf616918

SHA256
19fa3d055c0f0a0e08b7bbe2013277611fe885ffee5635d215e13659f40c48c5

SHA512
f346adef68ecf2e84df0b65780bb125e6a277a36b3307f5521472f47841a7ee3eb321eb1d4df4e612dd7f58c80b68a07f3f20111764f243f3e24a3e298d79076

Download Submit
memory/2296-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2296-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2504-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads