ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 07:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe
Size

53KB
MD5

6dca33c80cf87c1896a10d612669b3d0
SHA1

25d31f7103b184b1d0281dfa22671dfd866203d0
SHA256

ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911
SHA512

6c662ff5a2fd9f2bbbe6c31f7b818f1f9b957b47aa682eb531e8ff1017c975303ab5d491926ff28cd5816f81a4be9ca95e6ea2c34cf89a811592afd36bde83ad
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI5:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVr

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4376	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4376	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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 4376	1880	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe	82
PID 1880 wrote to memory of 4376	1880	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe	82
PID 1880 wrote to memory of 4376	1880	ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe	82

C:\Users\Admin\AppData\Local\Temp\ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe
"C:\Users\Admin\AppData\Local\Temp\ef16406239d6ef7bfcf230300bc34f8db18a8bea1c378c739323cffce6c83911N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4376

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
53KB

MD5
2f210e9a7813e10f01500e00027ce6a1

SHA1
52e6a8ce1c5555d9bba3d3ff814a572edd46840d

SHA256
85c6a849ca162990bbddf78d1d7a4795dc0c788b9db55c179452c3c83a08631a

SHA512
98274203e22c162fd632a0457e87621b34a5173c7bd953449cb51c94546bf9fcaba6a3cc1b7716b3a7aa61c7a9cb45757025b496e842c89cbf5be298d1b2fd34

Download Submit
memory/1880-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1880-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4376-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads