9529bac950b399431a618a072f240e66deade6c498f6fc750facd7a5f17d8e3b

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 11:07

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General

Target

75f79817b43dc0d6d27801e87c34e120N.exe
Size

62KB
MD5

75f79817b43dc0d6d27801e87c34e120
SHA1

47aee165c750c24d79287df47b89a10a5ec8bf0f
SHA256

9529bac950b399431a618a072f240e66deade6c498f6fc750facd7a5f17d8e3b
SHA512

dcd3324d93eed81701790bc9a83871d5408e50f69604a833e7960dcbff66a38fc9db3d83476aad75e5325ff9cca4cdd4efbe811431d8c504c85be08209a2a947
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uhIehKhD:lAo1lOwvlKlXBP6vghzwYu7vih9GueIX

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2648	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2648	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-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	75f79817b43dc0d6d27801e87c34e120N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	75f79817b43dc0d6d27801e87c34e120N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	75f79817b43dc0d6d27801e87c34e120N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2648	3012	75f79817b43dc0d6d27801e87c34e120N.exe	30
PID 3012 wrote to memory of 2648	3012	75f79817b43dc0d6d27801e87c34e120N.exe	30
PID 3012 wrote to memory of 2648	3012	75f79817b43dc0d6d27801e87c34e120N.exe	30
PID 3012 wrote to memory of 2648	3012	75f79817b43dc0d6d27801e87c34e120N.exe	30

C:\Users\Admin\AppData\Local\Temp\75f79817b43dc0d6d27801e87c34e120N.exe
"C:\Users\Admin\AppData\Local\Temp\75f79817b43dc0d6d27801e87c34e120N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2648

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
63KB

MD5
d5e21efbf080ec571bf61828ef5d4d16

SHA1
9d3ae32df11c1795051a132a4f7d35f6a63256dc

SHA256
4d33f673b2e3c6a029e9f4228cb084693daeb0a699847e48cbf20e83bc4bbd1b

SHA512
83c9c04c909e2edee146c93fb27695a6536e3efd554a0df5f3bd7b2f0d256e9c4d7489eae386a055461f72926418780057cb20e88fa8d92ca68844737b65e31a

Download Submit
memory/2648-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2648-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3012-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3012-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3012-3-0x0000000000220000-0x000000000022F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads