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
19/03/2024, 04:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d5421eaeecc79f86888b1a0bc63179cb.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
- Target d5421eaeecc79f86888b1a0bc63179cb.dll
- Size 188KB
- Sample240319-fmecnaab83
- SHA256 6925e8201001f2b922b396821ca9d9d54711ee2f9accb48c450b4f7e5c399b62
- MD5 d5421eaeecc79f86888b1a0bc63179cb
- SHA1 1eb46f5e69808372b7f562083d1d49bea30bec26
- SHA512 5a538d58c2a73d0d55e8cb986d23d117edc29db87dfdfa432ec082339aad430456c3c831441d8ce6f5e10e3a40f816a592c13f7267fcb693d8b823c9d3f99cf9
- SSDEEP 3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoCo:FzIqATVfQeV2FZalKq6jtGJWuTmd
- 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/4612-0-0x0000000075890000-0x00000000758C0000-memory.dmp dridex_ldr behavioral2/memory/4612-2-0x0000000075890000-0x00000000758C0000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 3652 4612 WerFault.exe 91 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3008 wrote to memory of 4612 3008 rundll32.exe 91 PID 3008 wrote to memory of 4612 3008 rundll32.exe 91 PID 3008 wrote to memory of 4612 3008 rundll32.exe 91
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d5421eaeecc79f86888b1a0bc63179cb.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d5421eaeecc79f86888b1a0bc63179cb.dll,#12⤵PID:4612
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 6883⤵
- Program crash
PID:3652
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4612 -ip 46121⤵PID:872