dridex | c726884dd111bf1a56ed59f78451bdeea1c81b2bfcbb4d1328c19027db4c42b7

Analysis

max time kernel
20s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
23-06-2021 09:03

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General

Target

c726884dd111bf1a56ed59f78451bdeea1c81b2bfcbb4d1328c19027db4c42b7.dll
Size

158KB
MD5

4a76ee3212d24fb6b38361b31d8c62e6
SHA1

5f28a09b36bb18e620adcca983fa8007696fed4c
SHA256

c726884dd111bf1a56ed59f78451bdeea1c81b2bfcbb4d1328c19027db4c42b7
SHA512

f9a44d4cf73977a7843d5473c1921c2ae51f9e8f132b9da33dbad3eca00e1251646cb4224f8de0ee0f7729bfa9617832807a5bc41a82a6731c8f7cdbe8eee446

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/2292-115-0x0000000074380000-0x00000000743AD000-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 3904 wrote to memory of 2292	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 2292	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 2292	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c726884dd111bf1a56ed59f78451bdeea1c81b2bfcbb4d1328c19027db4c42b7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c726884dd111bf1a56ed59f78451bdeea1c81b2bfcbb4d1328c19027db4c42b7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2292

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/2292-114-0x0000000000000000-mapping.dmp

Download
memory/2292-115-0x0000000074380000-0x00000000743AD000-memory.dmp

Filesize
180KB

Download
memory/2292-117-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download