5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 07:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133N.exe
Size

65KB
MD5

3286b61443695ab53764430f1f1c0fd0
SHA1

bc80e88da61ad033d15687aa1dc4712d3b707968
SHA256

5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133
SHA512

140c4428faf407129af2a96ee468384a85ac1ffd23817de43d028a2351925b712a408e81a1b0f3b6cef41438174904629a9c8bc65cbdb93a2a4c3c89952fd45c
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhJIhN:lAo1lOwvlKlXBP6vghzwYu7vih9GueIX

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4896	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4896	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 4896	216	5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133N.exe	82
PID 216 wrote to memory of 4896	216	5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133N.exe	82
PID 216 wrote to memory of 4896	216	5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133N.exe	82

C:\Users\Admin\AppData\Local\Temp\5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133N.exe
"C:\Users\Admin\AppData\Local\Temp\5a91970f7a92deaf5b7aa9507b00c3806e6afeaf62b8e2cfd316eb1decec4133N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:216
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4896

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
65KB

MD5
dd7f81db18863de586d918dc1010ef2a

SHA1
bb817f581a2c4f2ac60de12ab0a62e5920d5f142

SHA256
b74665607a6b7983a6d9aec4f020bb177737cb260d9fded24cf9b62dc9d59223

SHA512
a518964056b50d8ef876ebe10c55c24fbfb67ece01e2a566dbfe5411d1698cea5c6ba71d90c2b4f41a7d70d06e6e65fd9cda849ecec3eebb9ca4a03d3a2593dd

Download Submit
memory/216-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/216-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4896-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4896-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads