feee8e9f3bc622cb1840307d5f9fa256d194d7898e3adbdde537d68161f6ecf9

Analysis

max time kernel
119s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 03:59

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General

Target

48eb801b55bf986ab53528269f462080N.exe
Size

35KB
MD5

48eb801b55bf986ab53528269f462080
SHA1

2d68417b86af36dd44e1bba20b94d126729c6eb2
SHA256

feee8e9f3bc622cb1840307d5f9fa256d194d7898e3adbdde537d68161f6ecf9
SHA512

7c773d51500fd729c1ee4e514581b7141d538b67400987b291dfec511656d6bedfb3b73d51a9a2f27e32ddeb63f3457c27f8f9d86c4af4460157a6ea0e576e9d
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/k:e6q10k0EFjed6rqJ+6vghzwYu7vih9G3

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4500	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4500	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	48eb801b55bf986ab53528269f462080N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	48eb801b55bf986ab53528269f462080N.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	48eb801b55bf986ab53528269f462080N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 4500	4164	48eb801b55bf986ab53528269f462080N.exe	84
PID 4164 wrote to memory of 4500	4164	48eb801b55bf986ab53528269f462080N.exe	84
PID 4164 wrote to memory of 4500	4164	48eb801b55bf986ab53528269f462080N.exe	84

C:\Users\Admin\AppData\Local\Temp\48eb801b55bf986ab53528269f462080N.exe
"C:\Users\Admin\AppData\Local\Temp\48eb801b55bf986ab53528269f462080N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4164
- 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:4500

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
36KB

MD5
11522b2c34af837b8be550dbc2742681

SHA1
3408aad94c10b15744990cc6025edbcef241fedb

SHA256
b34d8ad38758479f02992216a6818ad36e831d24ec42bf6f6b76a9833b573169

SHA512
e7085446053deeb10c9a15d45e74a784c323fb85ac0cde5f6afbaca65e79e4c6e21b00908553c36f04f4a7c4e794cf7113ee0c44901f5c452afa6c9eb66fdfb8

Download Submit
memory/4164-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4164-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4500-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads