32f090a30128135e5f7259a001152a15ef117f7f575156d89effc11c88cdf8fe

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 13:55

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General

Target

backproxy.rar
Size

61KB
MD5

8e8c7da28f740f2534440f19a74b08c4
SHA1

cb4a1fa77e6040e2f7e9d8273129ec67d29f6fc4
SHA256

32f090a30128135e5f7259a001152a15ef117f7f575156d89effc11c88cdf8fe
SHA512

1cbdcc559b3c784e7714fa36f06f1b1fcdb0cfae5ee2e12d4f3fc459a235926b4e285019e2ef8a7b11124faf3578c3457fd5199da4667105c9bbc2e599d919e9
SSDEEP

1536:5c9ys+UwfJ91akffU08Mf8r6Ikldn1AGH2kcA/cualT9E+VYQ:K9yswfL1akniAIc1vuA/alpj

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2828	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2828	2636	cmd.exe	31
PID 2636 wrote to memory of 2828	2636	cmd.exe	31
PID 2636 wrote to memory of 2828	2636	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\backproxy.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\backproxy.rar
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2828

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

Windows 7 deprecation

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