fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3

Analysis

max time kernel
120s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 07:51

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General

Target

fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe
Size

39KB
MD5

f8c5b4acc409d07738160a6829271490
SHA1

b99491f21134d16cdaf9f1157f9e6d77d649c4df
SHA256

fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3
SHA512

2d3b1776b2ecccc89c38a74e359396d18c986e2648176144fcba4ae63af72176d1bc185a812ceefc8cfc217c784a8ab2862c9508884ab08387ee587e74f5ef83
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6I5:e6q10k0EFjed6rqJ+6vghzwYu7vih9GN

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4128	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4128	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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.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	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 4128	1808	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe	84
PID 1808 wrote to memory of 4128	1808	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe	84
PID 1808 wrote to memory of 4128	1808	fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe	84

C:\Users\Admin\AppData\Local\Temp\fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe
"C:\Users\Admin\AppData\Local\Temp\fb5e64d7a1234548e8d2cc1871c4111f9bd09ad0f481fabf228cb2341626e8c3N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808
- 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:4128

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
40KB

MD5
0f6674fa5f68a2202fef1ac063fcd54d

SHA1
4c15fc9ae9789ddcf89aeccbadc19c541bce2016

SHA256
ae52954063fe512a8137e3b7b38422ccbd018a006ebd148e1384d0eeeadb15d4

SHA512
79b139d9151d930707b91b1c4ce3c1894402465518a49ba7e17ebaae0cdb694b6a694b6f62f9f4850b4ea439c0739366ef91b143c1b652a315647228fee0e310

Download Submit
memory/1808-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1808-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4128-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads