6c0442fceb1ddf1428d0c65998f0feba21282d4f0b260465664497f7edd8993e

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 04:35

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General

Target

ca808565c0d0bf1d1546539ba58a34f7.dll
Size

224KB
MD5

ca808565c0d0bf1d1546539ba58a34f7
SHA1

a75474bc0651f1344311af3ef770da4104fab326
SHA256

6c0442fceb1ddf1428d0c65998f0feba21282d4f0b260465664497f7edd8993e
SHA512

654f37614207d092d504f1ae7c93ae06ee118b003ed01cc05c9fffc2dbbeced749c61257f3e1473a0f0e66025efb45a938325ec27f2011422ed7bade2622659a
SSDEEP

3072:7sg2SGycxuprgci1xbuMuJnMJG7FpB1Zr/JAl6Vsp3xEvitLaCwG+:b2SGycyJGJ6pLDmssy

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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\dsktbwfe = "{1EDAD922-D567-47CE-A19B-6FF59EF14D43}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EDAD922-D567-47CE-A19B-6FF59EF14D43}\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\{1EDAD922-D567-47CE-A19B-6FF59EF14D43}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EDAD922-D567-47CE-A19B-6FF59EF14D43}\InProcServer32\ = "C:\\Windows\\dsktbwfe.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 2512	4704	rundll32.exe	91
PID 4704 wrote to memory of 2512	4704	rundll32.exe	91
PID 4704 wrote to memory of 2512	4704	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca808565c0d0bf1d1546539ba58a34f7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca808565c0d0bf1d1546539ba58a34f7.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:2512

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads