8b41f26e3063ae451f14111c69d28929e0ead8fbe4f11a40257761766553e657

Analysis

max time kernel
359s
max time network
360s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 21:05

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General

Target

rundll3.exe
Size

5.6MB
MD5

be8e765b8622989c5e4aa6414c2b030c
SHA1

b6cb7f1ffcceff8fbe572594ffc6aa515420e0a0
SHA256

6fdb160c3b7a5813f187afd606ef2e24cfde0e66e3a0663ce65cd1372fdc32ab
SHA512

e0522301c8d2c156fe6157d7d1ca3a305078ed35bd3a2cf1131bea2a97246eaa8e00751cb4ad9c63e26d97149bdf5898da6d443d8c224735c81589462bd571ad
SSDEEP

49152:YfPM6fbpCpuj2TCOHIiRO06E6M5UqdJtunHnVnzm5EatXXzihWGNggHL/rF2tZVb:GpRY2IEfm

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2988	rundll3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	AcroRd32.exe
2756	AcroRd32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2756	2912	rundll32.exe	33
PID 2912 wrote to memory of 2756	2912	rundll32.exe	33
PID 2912 wrote to memory of 2756	2912	rundll32.exe	33
PID 2912 wrote to memory of 2756	2912	rundll32.exe	33

C:\Users\Admin\AppData\Local\Temp\rundll3.exe
"C:\Users\Admin\AppData\Local\Temp\rundll3.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:2988

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\FindDisconnect.dll
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\Desktop\FindDisconnect.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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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