d70b5da37b0ca705264654847ffbd58030356e19e2521f8b6ac0c3c673eae64d

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
18/08/2024, 15:58

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General

Target

efd36f015c0ae4344ef7ba16f2117390N.exe
Size

36KB
MD5

efd36f015c0ae4344ef7ba16f2117390
SHA1

ecb343ea73208b894366b279178373c7db3cc534
SHA256

d70b5da37b0ca705264654847ffbd58030356e19e2521f8b6ac0c3c673eae64d
SHA512

f6d79381e0164ceec77b35c5c7f4769067840ee04152471a2cc80c6ced891a4a8e0e22719a48248c3c36f5825aff0c351fbacb26073806f1cf03f6abd6abc421
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6v8tvGE9UHrSdghj8bvHRIkhbUIchUh86:e6q10k0EFjed6rqJ+6v8tvGE9UHrSdg0

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4328	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4328	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"	efd36f015c0ae4344ef7ba16f2117390N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	efd36f015c0ae4344ef7ba16f2117390N.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	efd36f015c0ae4344ef7ba16f2117390N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 4328	5104	efd36f015c0ae4344ef7ba16f2117390N.exe	84
PID 5104 wrote to memory of 4328	5104	efd36f015c0ae4344ef7ba16f2117390N.exe	84
PID 5104 wrote to memory of 4328	5104	efd36f015c0ae4344ef7ba16f2117390N.exe	84

C:\Users\Admin\AppData\Local\Temp\efd36f015c0ae4344ef7ba16f2117390N.exe
"C:\Users\Admin\AppData\Local\Temp\efd36f015c0ae4344ef7ba16f2117390N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5104
- 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:4328

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
fc21b6bbb81d42e759136aa31e79eaa4

SHA1
07ab128d60b1ceff603e978d0e84ee43a5197f91

SHA256
395d24a4b0e760c5e6520b83f7381d946d92156bab82d5742a17ce4e8dc5ee6f

SHA512
9fa2844afdcdc675862c2733ef521d311bbc6b9a3a569a6ae3f69dffbe4d34a3f235edaa4b9495955791a4dc8281d6fc2f65bf40983ef7f57622822d5eb6dad0

Download Submit
memory/4328-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4328-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5104-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5104-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads