Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
06/03/2024, 08:50
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b7038211339e4de465716e0bf3411c4c.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
- Target b7038211339e4de465716e0bf3411c4c.dll
- Size 188KB
- Sample240306-krshasgf45
- SHA256 1f13ebabed71c90669e3d3286d160165903829ffcf7575deabce4788ae3f8b0a
- MD5 b7038211339e4de465716e0bf3411c4c
- SHA1 8ab13efbb73f77391c03f3ce34822e676f7b5464
- SHA512 5896e8d4fa7ff149edd94f4d6b5c4fb5505f4149b4ec08eafd6e24f9e6525d98d5c32a35df80987df282d232906947205dc720b6f6ef9fd6ab10b0c259569162
- SSDEEP 3072:NA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo6o:NzIqATVfQeV2FZalKq6jtGJWuTmd
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
dridex
Botnet
-
22201
C2
-
103.82.248.59:443
-
54.39.98.141:6602
-
103.109.247.8:10443
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral2/memory/4748-0-0x0000000075010000-0x0000000075040000-memory.dmp dridex_ldr behavioral2/memory/4748-2-0x0000000075010000-0x0000000075040000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 4124 4748 WerFault.exe 87 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3964 wrote to memory of 4748 3964 rundll32.exe 87 PID 3964 wrote to memory of 4748 3964 rundll32.exe 87 PID 3964 wrote to memory of 4748 3964 rundll32.exe 87
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b7038211339e4de465716e0bf3411c4c.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b7038211339e4de465716e0bf3411c4c.dll,#12⤵PID:4748
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 6883⤵
- Program crash
PID:4124
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4748 -ip 47481⤵PID:2196