dridex | c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414

General

Target

c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414.dll
Size

184KB
MD5

440f2909995e9485edc3ed99306b5138
SHA1

b9b4160decfac311484a8b2f9e95d6c1654dfddf
SHA256

c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414
SHA512

f55acb42b452551718a850b56b593272cc3af39cbdad2d70b8e35910dd7f1cab8495d5c42497b703258abe41464d4cb5f8bb478ffa9480ba897a22e36fcff608

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

162.13.114.59:443

70.39.99.196:8172

37.187.115.122:6601

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/2032-4-0x0000000074770000-0x00000000747A0000-memory.dmp	dridex_ldr
behavioral1/memory/2032-6-0x0000000074770000-0x000000007478F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 2032 rundll32.exe
7 2032 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
4	2032	rundll32.exe
7	2032	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 1832 wrote to memory of 2032	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2032	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2032	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2032	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2032	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2032	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 2032	1832	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2032

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/852-7-0x000007FEF5D50000-0x000007FEF5FCA000-memory.dmp

Filesize
2.5MB

Download
memory/2032-2-0x0000000000000000-mapping.dmp

Download
memory/2032-3-0x0000000075DE1000-0x0000000075DE3000-memory.dmp

Filesize
8KB

Download
memory/2032-4-0x0000000074770000-0x00000000747A0000-memory.dmp

Filesize
192KB

Download
memory/2032-5-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2032-6-0x0000000074770000-0x000000007478F000-memory.dmp

Filesize
124KB

Download

Analysis

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