a1f2211d1fe3256d5959eda3d5bc79661366384052a0ce50fde135de77db138d

Analysis

max time kernel
119s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 00:54

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General

Target

6e873121c8b81490985757a7c258bf90N.exe
Size

62KB
MD5

6e873121c8b81490985757a7c258bf90
SHA1

44ba54d170633df1b137247ecb8c769ebb1643a9
SHA256

a1f2211d1fe3256d5959eda3d5bc79661366384052a0ce50fde135de77db138d
SHA512

5815d58fe077678f9255ccf57e6ad74f49ae4c27d9823ea42dff8adba7abfa4bf2a1bf140ff45b6c57483caf695d2df2e9095ec0ea22fcd61d8b95b4b1f42b4b
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSxChhMhyhkW:NAoglOwvl4ulkP6vghzwYu7vih9GueIk

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1052	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1052	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	6e873121c8b81490985757a7c258bf90N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	6e873121c8b81490985757a7c258bf90N.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	6e873121c8b81490985757a7c258bf90N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 1052	4756	6e873121c8b81490985757a7c258bf90N.exe	86
PID 4756 wrote to memory of 1052	4756	6e873121c8b81490985757a7c258bf90N.exe	86
PID 4756 wrote to memory of 1052	4756	6e873121c8b81490985757a7c258bf90N.exe	86

C:\Users\Admin\AppData\Local\Temp\6e873121c8b81490985757a7c258bf90N.exe
"C:\Users\Admin\AppData\Local\Temp\6e873121c8b81490985757a7c258bf90N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4756
- 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:1052

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
62KB

MD5
077530d7d44d0da87853c34c0edbad35

SHA1
b9a700727fe4ff8d1867e368c1f44598fc7df93d

SHA256
392ee58c897d42cf09f5777e80a3385f8c98ea932c066f17ad0167aea678910e

SHA512
66b11ea49639ed2317351a7109a6c3fd7c7e78373375bff321a425d2dff3b8114bef3ff698b09e179fb9b7566ac6b7e3245f48b8a97f02f00a9626f05647f188

Download Submit
memory/1052-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4756-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4756-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads