8bbf95223e078c3cbbc7d6e766ed5b1bd8a195974c311b10c04b8954fe80844a

Analysis

max time kernel
17s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-12-2022 09:56

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General

Target

8bbf95223e078c3cbbc7d6e766ed5b1bd8a195974c311b10c04b8954fe80844a.dll
Size

224KB
MD5

5d433bc4a6d35d59163886ce2b018a50
SHA1

3a7adcc793a3e6eca7ab1a5a9a021011ce06ae29
SHA256

8bbf95223e078c3cbbc7d6e766ed5b1bd8a195974c311b10c04b8954fe80844a
SHA512

f216dc872de718b3c361bacbae9cd86bb87401b48fc57d11713988cf20318b070fbe67f41e361c9e9bcbf7ee4acc363f878debd73ecdf43709069a48c9a74bd3
SSDEEP

3072:7ImqxXr/3QUvVAcZcCLFVtRD69MttI5lpVGP:7IJxXjvVAiFt+wWVGP

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\sapnet = "{3DF98EE6-399B-4AB4-986A-65AB75967598}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3DF98EE6-399B-4AB4-986A-65AB75967598}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3DF98EE6-399B-4AB4-986A-65AB75967598}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3DF98EE6-399B-4AB4-986A-65AB75967598}\InProcServer32\ = "C:\\Windows\\sapnet.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 1496	552	rundll32.exe	27
PID 552 wrote to memory of 1496	552	rundll32.exe	27
PID 552 wrote to memory of 1496	552	rundll32.exe	27
PID 552 wrote to memory of 1496	552	rundll32.exe	27
PID 552 wrote to memory of 1496	552	rundll32.exe	27
PID 552 wrote to memory of 1496	552	rundll32.exe	27
PID 552 wrote to memory of 1496	552	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bbf95223e078c3cbbc7d6e766ed5b1bd8a195974c311b10c04b8954fe80844a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bbf95223e078c3cbbc7d6e766ed5b1bd8a195974c311b10c04b8954fe80844a.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:1496

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1496-55-0x0000000075131000-0x0000000075133000-memory.dmp

Filesize
8KB

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