34c35e5e18354f9e459e792a3f8bb40af5b18787f0461078ba563b5d49aa6292

Analysis

max time kernel
138s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
21/07/2024, 22:32

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General

Target

Clanwar1.0/ErrHandle.dll
Size

18KB
MD5

d4f8f9c6a166d672f9f50721af0c3353
SHA1

995977b4b077ec4e9b79dad1cff1c51f462690c7
SHA256

924ed66022613617f6587ab9c3cfacfd79f25acf35c6331ef3370ed8d3ba4a67
SHA512

5d2fa5ca7bdb8eeddfb4fbf8328a5e7718a6ea56f21a6e649a01759750b7a4e027b99e8a1f843d140a6563ecc9ffd945e1e7d9c1b1a065783796a5b319dae56c
SSDEEP

384:8e0Uren7UlyRyxgg28YK9TTywubSdvZGRC4JeHO2qmsdgb0OKVBX/Wib:80r6xpAwwPFsRC4sO6rb0OKPu

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\C:\Windows\System32\KERNELBASE.dll_rundll32.RPT	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\C:\Windows\System32\KERNELBASE.dll_rundll32.RPT.dmp	rundll32.exe

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-1-5-21-1705699165-553239100-4129523827-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 456	4920	rundll32.exe	86
PID 4920 wrote to memory of 456	4920	rundll32.exe	86
PID 4920 wrote to memory of 456	4920	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Clanwar1.0\ErrHandle.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Clanwar1.0\ErrHandle.dll,#1
  2⤵
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:456

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1220

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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