dridex | 93d1655d28ef9057e8ae89c4a2401962bb8075e85540dd5ee7b4c681306558e5

Analysis

max time kernel
132s
max time network
131s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:05

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General

Target
93d1655d28ef9057e8ae89c4a2401962bb8075e85540dd5ee7b4c681306558e5.dll
Size 188KB
Sample210224-d8bccvmbp2
SHA256 93d1655d28ef9057e8ae89c4a2401962bb8075e85540dd5ee7b4c681306558e5
MD5 557a2c088da86588233b5588ad6ea148
SHA1 43c0122e4f64c364048496223857334c656d1974
SHA512 16e13c2c16186b6f5590ca3ad03ee5229289a19c99ec049c5e92ac115594eb715acefe07d3012e52b0936cb240d9ca1be163bab35fd1c460c6204636aaab245d
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

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

resource	yara_rule
behavioral2/memory/2672-3-0x00000000739B0000-0x00000000739E1000-memory.dmp	dridex_ldr
behavioral2/memory/2672-5-0x00000000739B0000-0x00000000739CF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	2672	rundll32.exe
17	2672	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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2672	1456	rundll32.exe	72
PID 1456 wrote to memory of 2672	1456	rundll32.exe	72
PID 1456 wrote to memory of 2672	1456	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\93d1655d28ef9057e8ae89c4a2401962bb8075e85540dd5ee7b4c681306558e5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\93d1655d28ef9057e8ae89c4a2401962bb8075e85540dd5ee7b4c681306558e5.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2672-3-0x00000000739B0000-0x00000000739E1000-memory.dmp

Download

memory/2672-4-0x00000000029B0000-0x00000000029B6000-memory.dmp

Download

memory/2672-5-0x00000000739B0000-0x00000000739CF000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads