2efc1470d803d6505dd8b25d211df1ef2cca0429e51c5e7644238a3528027510

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01-09-2023 01:25

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General

Target

installer.rar
Size

2.2MB
MD5

f47e38957e5a4cc47a54621ddd53974e
SHA1

d90df167441c407a9453c6f1b6737278fce67c7b
SHA256

b32cba53b8d0f92a6765dfad0c7d81c95984a5ba3dd567d24b186ad6862c8bbc
SHA512

f71d819a5f98fcf67989e2ba916ad9735783c0f7ba92c808b3722c286acc5fdb9280b6b817ecf785932330b525f19646afe5cb0c20b38f142eea767c71b29d5e
SSDEEP

49152:X86pf36yPjjldDaMR9ejNuJZS9lRf7eeuz9U8TN:XlpfjBLENuJZS9P7NwU8h

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

2704 rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_Classes\Local Settings	rundll32.exe

pid	process
2704	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1672 wrote to memory of 2704	1672	cmd.exe	rundll32.exe
PID 1672 wrote to memory of 2704	1672	cmd.exe	rundll32.exe
PID 1672 wrote to memory of 2704	1672	cmd.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\installer.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\installer.rar
2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:2704

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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