a791f9cbd81b06639d7679168a4b77b71078740c666e27829654cd1e1b13aef3

Analysis

max time kernel
124s
max time network
96s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 15:15

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General

Target

a791f9cbd81b06639d7679168a4b77b71078740c666e27829654cd1e1b13aef3.exe
Size

249KB
MD5

caf34966a1fdcd9cacdcba553e6f8930
SHA1

b7ea6b1e0dd537154d66e7756cf10f6d001c2411
SHA256

a791f9cbd81b06639d7679168a4b77b71078740c666e27829654cd1e1b13aef3
SHA512

fef412c2fca06fc0d7b1b2290fdc5edab25ccf3057efd7c9f4cf7698abc9fcdb9cd48997a50f332d8e7be96885f9b30ec40d8780cc3672bca894642375f44c6d
SSDEEP

6144:nhZ0sG5TE07Kzrv8QLnXapFIbpcgjDd0Q6VK5M+dW:nT0sso0IR0wp/jRCVK6R

Score

8^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1780-55-0x0000000000400000-0x00000000004A3000-memory.dmp	upx
behavioral1/memory/1780-56-0x0000000000400000-0x00000000004A3000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	a791f9cbd81b06639d7679168a4b77b71078740c666e27829654cd1e1b13aef3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\windisplay = "C:\\Users\\Admin\\AppData\\Local\\windisplay\\windisplay.exe"	a791f9cbd81b06639d7679168a4b77b71078740c666e27829654cd1e1b13aef3.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\a791f9cbd81b06639d7679168a4b77b71078740c666e27829654cd1e1b13aef3.exe
"C:\Users\Admin\AppData\Local\Temp\a791f9cbd81b06639d7679168a4b77b71078740c666e27829654cd1e1b13aef3.exe"
1⤵
- Adds Run key to start application
PID:1780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1780-54-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/1780-55-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/1780-56-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download