dridex | 1e1eebd375608fc12784c9fab68130e01a45225fd973e8ad689025e60a08af58

Analysis

max time kernel
142s
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
04/03/2024, 17:06

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General

Target
b2aa5621851f22ad540eaebba5953bb4.dll
Size 188KB
Sample240304-vmjdyaff2x
SHA256 1e1eebd375608fc12784c9fab68130e01a45225fd973e8ad689025e60a08af58
MD5 b2aa5621851f22ad540eaebba5953bb4
SHA1 9f272c0661e19ee99b37ecd776fccc6bf5f009f8
SHA512 9b176347bb6deea86c1ed98966ce5f7b42f5ff7459f20c2a542c17354539c423049647f1a90a10468821bd20a062327cd7e9f42843f264f8359ca6e9d1436cf0
SSDEEP 3072:IA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAono:IzIqATVfQeV2FZalKq6jtGJWuTmd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1028-0-0x0000000074D10000-0x0000000074D40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4968	1028	WerFault.exe	93

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 1028	1284	rundll32.exe	93
PID 1284 wrote to memory of 1028	1284	rundll32.exe	93
PID 1284 wrote to memory of 1028	1284	rundll32.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa5621851f22ad540eaebba5953bb4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa5621851f22ad540eaebba5953bb4.dll,#1
  2⤵
  PID:1028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 692
    3⤵
    - Program crash
    PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1028 -ip 1028
1⤵
PID:1432

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:3332

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1028-0-0x0000000074D10000-0x0000000074D40000-memory.dmp

Download

memory/1028-1-0x0000000000D70000-0x0000000000D76000-memory.dmp