43d9426874eea0bb56c3feac25d20bc35fb3ddaa9447e1ca5f0ba3de1d194382

Analysis

max time kernel
135s
max time network
31s
platform
windows7_x64
resource
win7-20230220-es
resource tags

arch:x64arch:x86image:win7-20230220-eslocale:es-esos:windows7-x64systemwindows
submitted
24/03/2023, 03:40

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General

Target

USBHelperInstaller.exe
Size

282KB
MD5

d387c6c808a9ab80f0d8e843500f903d
SHA1

b14fc2a27c1e215d74d8cb6f01729855c1dbd8f4
SHA256

43d9426874eea0bb56c3feac25d20bc35fb3ddaa9447e1ca5f0ba3de1d194382
SHA512

e60b8d2ffebb9bbb27c31b52b0d6c597e0a72486a7865ecee84b40a84f8e9e102353990314d28cf01227a30c5fc3c1f407f38c95c68ec69ca075549dc9ce2085
SSDEEP

6144:F5GZq/Z1IVfA1AbKowcNj/CGYSx3YT+tT8:iZGZ05fwcNj/CDYoCV8

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
440	USBHelperInstaller.exe
440	USBHelperInstaller.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
440	USBHelperInstaller.exe

C:\Users\Admin\AppData\Local\Temp\USBHelperInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\USBHelperInstaller.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:440

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsy30B4.tmp\System.dll

Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

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\Users\Admin\AppData\Local\Temp\nsy30B4.tmp\nsDialogs.dll

Filesize
9KB

MD5
ab101f38562c8545a641e95172c354b4

SHA1
ec47ac5449f6ee4b14f6dd7ddde841a3e723e567

SHA256
3cdf3e24c87666ed5c582b8b028c01ee6ac16d5a9b8d8d684ae67605376786ea

SHA512
72d4b6dc439f40b7d68b03353a748fc3ad7ed10b0401741c5030705d9b1adef856406075e9ce4f1a08e4345a16e1c759f636c38ad92a57ef369867a9533b7037

Download Submit