dridex | 4c6f67e3912cf880f085f87f45c5e49b31eca41f858f4053a6b02ca1d3f7e441

Analysis

max time kernel
18s
max time network
139s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 21:09

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General

Target

4c6f67e3912cf880f085f87f45c5e49b31eca41f858f4053a6b02ca1d3f7e441.dll
Size

158KB
MD5

fd79aff5e2b054eb05768fdba272e4a1
SHA1

a3ab5d38dd88e79fe8ba694c7d67af1b8199bb10
SHA256

4c6f67e3912cf880f085f87f45c5e49b31eca41f858f4053a6b02ca1d3f7e441
SHA512

5068f784444083a9b8677e8fda043716c4cbf6dc9fed323ae1b351afdbaf1e2414d7a904161f205496fba658f5c325d5a656e92979339ff900397af17154e927

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/744-115-0x0000000074300000-0x000000007432D000-memory.dmp	dridex_ldr

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

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 500 wrote to memory of 744	500	rundll32.exe	rundll32.exe
PID 500 wrote to memory of 744	500	rundll32.exe	rundll32.exe
PID 500 wrote to memory of 744	500	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c6f67e3912cf880f085f87f45c5e49b31eca41f858f4053a6b02ca1d3f7e441.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:500

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c6f67e3912cf880f085f87f45c5e49b31eca41f858f4053a6b02ca1d3f7e441.dll,#1
2⤵
- Checks whether UAC is enabled
PID:744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/744-114-0x0000000000000000-mapping.dmp

Download
memory/744-115-0x0000000074300000-0x000000007432D000-memory.dmp

Filesize
180KB

Download
memory/744-117-0x0000000003220000-0x0000000003226000-memory.dmp

Filesize
24KB

Download