dridex | 0ae09aa6c01a64e121af0d0c1a91c32d9e232e3d1334a83b90e5b36702426a4e

General

Target

0ae09aa6c01a64e121af0d0c1a91c32d9e232e3d1334a83b90e5b36702426a4e.dll
Size

168KB
MD5

7b5079631af6063161abebaab19517b6
SHA1

f385dc8db60e53e960010d19d66432f1a6222702
SHA256

0ae09aa6c01a64e121af0d0c1a91c32d9e232e3d1334a83b90e5b36702426a4e
SHA512

19db6575231927d1ff4b02943a5d14f311093bd864521b840bb3122dfc61eb3b2017c07f5dc88db3631537854bb6d0010c37074983f77c80e575656aa0383868

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

173.203.78.138:443

217.160.107.189:6601

77.220.64.150:5037

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1876-4-0x0000000075380000-0x00000000753AC000-memory.dmp	dridex_ldr
behavioral1/memory/1876-6-0x0000000075380000-0x000000007539F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1876 rundll32.exe
7 1876 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

flow	pid	process
5	1876	rundll32.exe
7	1876	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 324 wrote to memory of 1876	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1876	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1876	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1876	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1876	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1876	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1876	324	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ae09aa6c01a64e121af0d0c1a91c32d9e232e3d1334a83b90e5b36702426a4e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:324

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ae09aa6c01a64e121af0d0c1a91c32d9e232e3d1334a83b90e5b36702426a4e.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1192-7-0x000007FEF7D30000-0x000007FEF7FAA000-memory.dmp

Filesize
2.5MB

Download
memory/1876-2-0x0000000000000000-mapping.dmp

Download
memory/1876-3-0x00000000766C1000-0x00000000766C3000-memory.dmp

Filesize
8KB

Download
memory/1876-4-0x0000000075380000-0x00000000753AC000-memory.dmp

Filesize
176KB

Download
memory/1876-5-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1876-6-0x0000000075380000-0x000000007539F000-memory.dmp

Filesize
124KB

Download

Analysis

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