dridex | 649fa81cffabbb7dcdd2918c59f284a08f4168ecb8da5ba169ef6049805fd577

General

Target

649fa81cffabbb7dcdd2918c59f284a08f4168ecb8da5ba169ef6049805fd577.dll
Size

188KB
MD5

2db21ba9057ffc4347ee0bca1ddf4ea2
SHA1

ba0950c79bbe9991fd3d00f601983e87fc9ce04b
SHA256

649fa81cffabbb7dcdd2918c59f284a08f4168ecb8da5ba169ef6049805fd577
SHA512

feb81e17744652f7441664434540c7d72981341123907f942e45c8e36959254572c10a37815a256594ca7fc9dc44bd88d54252351d3330d30e3ba0ca500c3d6d

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/1160-5-0x0000000075250000-0x0000000075281000-memory.dmp	dridex_ldr
behavioral1/memory/1160-7-0x0000000075250000-0x000000007526F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1160 rundll32.exe
7 1160 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	1160	rundll32.exe
7	1160	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 1852 wrote to memory of 1160	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 1160	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 1160	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 1160	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 1160	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 1160	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 1160	1852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\649fa81cffabbb7dcdd2918c59f284a08f4168ecb8da5ba169ef6049805fd577.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\649fa81cffabbb7dcdd2918c59f284a08f4168ecb8da5ba169ef6049805fd577.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1160

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/1160-2-0x0000000000000000-mapping.dmp

Download
memory/1160-3-0x00000000760F1000-0x00000000760F3000-memory.dmp

Filesize
8KB

Download
memory/1160-4-0x0000000074EE0000-0x0000000075083000-memory.dmp

Filesize
1.6MB

Download
memory/1160-5-0x0000000075250000-0x0000000075281000-memory.dmp

Filesize
196KB

Download
memory/1160-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1160-7-0x0000000075250000-0x000000007526F000-memory.dmp

Filesize
124KB

Download
memory/1672-8-0x000007FEF7FE0000-0x000007FEF825A000-memory.dmp

Filesize
2.5MB

Download

Analysis

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