b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 02:47

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General

Target

b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd.exe
Size

69KB
MD5

57d150fe0dda518764cc503c22a566c8
SHA1

06d4eb9e11093072cbdd213f8924e2240c35ed5a
SHA256

b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd
SHA512

ae201c476f3622f89050dd43f810673202126330b674ff781cb1313528fe38cc6c9debc1e10c1d6782ff11ede8d652dc0efde291e118bcc49904f7e0d4fee696
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhJgyhn:NAoglOwvl4ulkP6vghzwYu7vih9GueIg

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1328	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1328	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"	b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd.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	b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 1328	4924	b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd.exe	83
PID 4924 wrote to memory of 1328	4924	b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd.exe	83
PID 4924 wrote to memory of 1328	4924	b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd.exe	83

C:\Users\Admin\AppData\Local\Temp\b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd.exe
"C:\Users\Admin\AppData\Local\Temp\b500817f4bdced248ec0bf2d17d4e430c9f7888d54794216bfc8064cf88346bd.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4924
- 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:1328

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
70KB

MD5
4d47f65dedc6ab1e96c01b6583078fdf

SHA1
93bbf8249dfecad1085c498ffc6855a49b305b22

SHA256
9353c343ff1b53cf2e92c5c1b3af22b3e01c639d41b7050b953b90ddf10d4884

SHA512
6b2694d3f4bf010e9275350079172acb1005e4d5466d48606267d8c25d03b40944a2eafc4df1853fcf30a47bd6b16d9c34c940d51e97ce9af2ef863ebb12f798

Download Submit
memory/1328-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4924-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4924-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads