16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b

Analysis

max time kernel
10s
max time network
124s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04/07/2024, 22:46

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General

Target

16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b.exe
Size

5KB
MD5

7d97995b87f185ef3e4f1b2cb5e7bbb0
SHA1

7158cd53d0540da768774e6399a16429f8bad798
SHA256

16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b
SHA512

cff74a75c8af7db4c49a1b961a6f42482c3ff015a102d4603364a3618d3eda3f827c4b887e8f7d3ccb573c8563186c621618a7d58d3b576642e47e451b3c0079
SSDEEP

48:IYLkM5UIZe84MuZbPpHHBQr8bQXJ1rsHB/VnC/RAxUDCSCqXKnuaa7vElBnbxeBj:IfM5UIX4Txw8WuHnnwR2UDCtdjbMyYNX

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1320	hcbnaf.exe

Loads dropped DLL 1 IoCs

pid	Process
1780	16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 1320	1780	16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b.exe	28
PID 1780 wrote to memory of 1320	1780	16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b.exe	28
PID 1780 wrote to memory of 1320	1780	16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b.exe	28
PID 1780 wrote to memory of 1320	1780	16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b.exe	28

C:\Users\Admin\AppData\Local\Temp\16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b.exe
"C:\Users\Admin\AppData\Local\Temp\16673efd54028fccf5ad195b266fe2fe125858e0df778c684de3b72925d58f1b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe
  "C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe"
  2⤵
  - Executes dropped EXE
  PID:1320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\hcbnaf.exe

Filesize
5KB

MD5
5ca6b699298e5c842e9228dc7690e4db

SHA1
b335b5910f9c83d040ac278dd5a5d459a3b26e2f

SHA256
58d51ea17a6e8984f20236118ff21a19837ef29b701360f0f98414243a0a112d

SHA512
bc0b2383749ee33f0c85d59da1b840d4d1f4745ce3494cee46a09e806a31b326ce6ac15aa6d7d047350de8302498d955377467d7cd19c0c776890c168c579037

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