dridex | 9b1209ef109fe7439817f9eecc2b8e9f1a5ee8b0e8148e6fceae8b2980d36ab2

General

Target

9b1209ef109fe7439817f9eecc2b8e9f1a5ee8b0e8148e6fceae8b2980d36ab2.dll
Size

188KB
MD5

1e1fb5452efad9f98d747ed2f0dcc3a5
SHA1

b1776fb23b1f78babf9dba16ce1519ae94e2bad9
SHA256

9b1209ef109fe7439817f9eecc2b8e9f1a5ee8b0e8148e6fceae8b2980d36ab2
SHA512

be9e4a07a53d393e658f90be0a8199f9dc115d6ea232f8ec5a0407b679ce1c7744d955ad3cf65d7dd1c3bdb825d3300c20c5c24595d61708008bdce10e89b518

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

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

Processes:

resource	yara_rule
behavioral1/memory/456-5-0x0000000075110000-0x0000000075141000-memory.dmp	dridex_ldr
behavioral1/memory/456-7-0x0000000075110000-0x000000007512F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 456 rundll32.exe
8 456 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	456	rundll32.exe
8	456	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 548 wrote to memory of 456	548	rundll32.exe	rundll32.exe
PID 548 wrote to memory of 456	548	rundll32.exe	rundll32.exe
PID 548 wrote to memory of 456	548	rundll32.exe	rundll32.exe
PID 548 wrote to memory of 456	548	rundll32.exe	rundll32.exe
PID 548 wrote to memory of 456	548	rundll32.exe	rundll32.exe
PID 548 wrote to memory of 456	548	rundll32.exe	rundll32.exe
PID 548 wrote to memory of 456	548	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b1209ef109fe7439817f9eecc2b8e9f1a5ee8b0e8148e6fceae8b2980d36ab2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b1209ef109fe7439817f9eecc2b8e9f1a5ee8b0e8148e6fceae8b2980d36ab2.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:456

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/456-2-0x0000000000000000-mapping.dmp

Download
memory/456-3-0x0000000076451000-0x0000000076453000-memory.dmp

Filesize
8KB

Download
memory/456-4-0x0000000074DA0000-0x0000000074F43000-memory.dmp

Filesize
1.6MB

Download
memory/456-5-0x0000000075110000-0x0000000075141000-memory.dmp

Filesize
196KB

Download
memory/456-6-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/456-7-0x0000000075110000-0x000000007512F000-memory.dmp

Filesize
124KB

Download
memory/1576-8-0x000007FEF8800000-0x000007FEF8A7A000-memory.dmp

Filesize
2.5MB

Download

Analysis

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