4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 04:57

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General

Target

4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11N.exe
Size

64KB
MD5

8b38c6d9fecb3dc851b2dd7159f39930
SHA1

83948debc7122481d4933a118127422b8badf0de
SHA256

4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11
SHA512

e064fd1fa8aedc74c2efdcccccf98e7f099b86e8992aaca6d2b6396e96655752cc8b0b6fe70d819891646719c06e7a99b8940655f2b29c1548cf6a3fafa67f0a
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKv82yhQhE:NAoglOwvl4ulkP6vghzwYu7vih9GueI5

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
396	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
396	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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11N.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	4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 396	1280	4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11N.exe	82
PID 1280 wrote to memory of 396	1280	4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11N.exe	82
PID 1280 wrote to memory of 396	1280	4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11N.exe	82

C:\Users\Admin\AppData\Local\Temp\4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11N.exe
"C:\Users\Admin\AppData\Local\Temp\4eab554631b1b5fd0927585a1ff981970cee03331fa072f5d95a79a3b1aa9c11N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1280
- 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:396

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
65KB

MD5
6d07e5d49348eee914c68598a67e9743

SHA1
0d732cc8e7491ad653738bfaed5c5de65aca36bc

SHA256
3a4a59afca3644134a289895412e45785d4532f18814324d78adfe103361d2a2

SHA512
34e71adbb2ff59e19eced1172842f0061e46174402b6f9342c5aeb33c54ef2dda8b1005687d3c0d41caa50c16ab59fb633c318c53ec22e9e987a84b99cb51d04

Download Submit
memory/396-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1280-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1280-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads