ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91

Analysis

max time kernel
86s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 03:49

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General

Target

ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
Size

151KB
MD5

cd93aff5cafb44be2f7c7312fb2950d6
SHA1

194610c0c8667bbfb5368ec2e7463caa62cbfb2f
SHA256

ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91
SHA512

1c3470db19d49869267839cd97b489216c414eb76ea014d779868f3d265d75812632c6cb3b34ba2fffe65b76bb61f695d724e11b87a5e544aaa41840ed078d1b
SSDEEP

3072:WWPBipshVYlnDYE2KawoZibkXKVCpAHu5QEL:BP84YlDtcn6VmAHu5QG

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\S:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\E:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\Z:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\Y:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\V:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\T:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\N:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\W:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\R:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\P:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\O:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\U:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\I:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\H:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\K:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\J:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\G:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\F:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\X:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\Q:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\M:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened (read-only)	\??\L:	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\autorun.inf	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4396	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
4396	ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe

C:\Users\Admin\AppData\Local\Temp\ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe
"C:\Users\Admin\AppData\Local\Temp\ac357b1469da6f473bd3cf88452a172326de234fcc487a22d3b3303ac24d6f91.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
PID:4396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4396-132-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4396-133-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download