6a2c70d9d04abda13d815ec89a2fb1ed46c98516623cec1801b4ad914502b1e1

Analysis

max time kernel
119s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 09:45

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General

Target

a27a349d301a46f75466f4092ba98ca0N.exe
Size

36KB
MD5

a27a349d301a46f75466f4092ba98ca0
SHA1

08f14c4a261af1d14353e3f74a6411f06767c003
SHA256

6a2c70d9d04abda13d815ec89a2fb1ed46c98516623cec1801b4ad914502b1e1
SHA512

32e033cfee1549ced6be2d71be16425e00a5a7b3b72a79548cb44b71dce6dfb95906e15b0711998337b7edd80309115bb3e677ad351073c58a47e5c1b42d788c
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/p:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gy

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
404	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
404	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"	a27a349d301a46f75466f4092ba98ca0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	a27a349d301a46f75466f4092ba98ca0N.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	a27a349d301a46f75466f4092ba98ca0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 404	1772	a27a349d301a46f75466f4092ba98ca0N.exe	84
PID 1772 wrote to memory of 404	1772	a27a349d301a46f75466f4092ba98ca0N.exe	84
PID 1772 wrote to memory of 404	1772	a27a349d301a46f75466f4092ba98ca0N.exe	84

C:\Users\Admin\AppData\Local\Temp\a27a349d301a46f75466f4092ba98ca0N.exe
"C:\Users\Admin\AppData\Local\Temp\a27a349d301a46f75466f4092ba98ca0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1772
- 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:404

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
37KB

MD5
ef05e6954a876a4a223c10ab9aa3947d

SHA1
ecc9b243e9c45411f388fe77acb77d918d43a964

SHA256
4160613639e3e80c1b1992a4d1c5e3ffd5d905653f99eb5fa7c70d2c257dab53

SHA512
76bf26e0c7f3e42dced678b3083379274757af15f5171a93f248e6a470ae9b8bbd3b13562b8520044657388cbca7aeec5122342c70ca522618acc9d7ab35a365

Download Submit
memory/404-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/404-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1772-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1772-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads