2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2024, 19:55

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General

Target

2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a.exe
Size

69KB
MD5

0ff20d8eac4a0dad5bb8520f3fa7171f
SHA1

357a615f1e4f44f1dc6a4e6c26a78fc2c3fca22f
SHA256

2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a
SHA512

3e4dbd7749078b91cad2a3aa68624d561a5553d3e4ed70b91fada3e618518f4726b66b80cfd7cf4cdad281590463c2fcd6f9d3db76a983fc0ea2bf7f5dd9f2fd
SSDEEP

1536:NDj2d6rnJbJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nsqnl1R9:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1MuG

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3036	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3036	microsofthelp.exe

Loads dropped DLL 1 IoCs

pid	Process
3036	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-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3036	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 3036	4888	2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a.exe	83
PID 4888 wrote to memory of 3036	4888	2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a.exe	83
PID 4888 wrote to memory of 3036	4888	2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a.exe	83

C:\Users\Admin\AppData\Local\Temp\2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a.exe
"C:\Users\Admin\AppData\Local\Temp\2a386580a2505fe8a65df05f28aca36fbf9bf1433fb5b237d99cf2b195aa843a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4888
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:3036

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\HidePlugin.dll

Filesize
5KB

MD5
4c0b9970f96300dfa1f45afc7539d35f

SHA1
ebbb4ed2003662d78d1f32e7b6da1b6f504ae711

SHA256
4e96660cc8be7171a79755a20860366987547322b3a809e78c9850f14c242262

SHA512
579f8787b52bf62a0296d8a24753263201fbc84abec5927033e3c97576f965ead0f8422acd3f7af1345b0df0001b0cd68fa971062e21269f6940cf3e1508ca88

Download Submit
C:\Windows\microsofthelp.exe

Filesize
69KB

MD5
5496117c7abee93919420e81d0d6c5ef

SHA1
0f7827d28e63b27647c8f5ae56bd71e5b947b840

SHA256
8e879d287031999bc60cf8b8f1f316d402dcacba86bc7a65a0cb4eeb3ec7b249

SHA512
00a9ef18ba90a394b59dc6044e950a78c46d4e66cecce5016822f099c2ccb9d004476f9515df17245945290078a459715538ea81e0d4f3f7f8458b521d3cf425

Download Submit
memory/3036-11-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/3036-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4888-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4888-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads