52b5f2f95b1200b20a6f3adfcb93c6f87713155f83176dede353ee158c7c1b63

Analysis

max time kernel
136s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 13:19

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General

Target

9sb3l3p.dll
Size

13KB
MD5

53ae5d9d08ed7cf26f3b049bcfbe5d5f
SHA1

9a40de949997c3d677f2fcc0006ef2038b811719
SHA256

bbb240e248b69897a89e7246bb32554029da1ebe922dc54cf70b34892466aab5
SHA512

7b13f11b1fe3d2e52ed8a5b60c926af1133d5e0be129d2887e9a79f4fe20219abd8a586b2e89a6fbb53968fff668bd302cd2139de74268b73f336f171170edc9
SSDEEP

192:lW0fiRzjfIViPAshBiVldP3wo0rx9qaWAw5BXbOnC4jmIwwnv:HO5PAshkldP3grqa+MnCIwwnv

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\888.exe = "C:\\Users\\Admin\\AppData\\Roaming\\AppData\\chromee.exe"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3448	4564	WerFault.exe	84

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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4564	rundll32.exe
4564	rundll32.exe
4564	rundll32.exe
4564	rundll32.exe
4564	rundll32.exe
4564	rundll32.exe
4564	rundll32.exe
4564	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 4564	4516	rundll32.exe	84
PID 4516 wrote to memory of 4564	4516	rundll32.exe	84
PID 4516 wrote to memory of 4564	4516	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9sb3l3p.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9sb3l3p.dll,#1
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 716
    3⤵
    - Program crash
    PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
1⤵
PID:212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4564-0-0x0000000074BB0000-0x0000000074BB8000-memory.dmp

Filesize
32KB

Download
memory/4564-2-0x0000000074BB0000-0x0000000074BB8000-memory.dmp

Filesize
32KB

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