dridex | b3b5d8019b1e14418263019d3514f8030cb2800c3a0b6b248cadeaeb341708c5

Analysis

max time kernel
26s
max time network
118s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 01:16

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General

Target

b3b5d8019b1e14418263019d3514f8030cb2800c3a0b6b248cadeaeb341708c5.dll
Size

158KB
MD5

2c4975ebece281dac1409791cf693211
SHA1

17589fa17740de97483bfa97d3e62991fefcd2ec
SHA256

b3b5d8019b1e14418263019d3514f8030cb2800c3a0b6b248cadeaeb341708c5
SHA512

5df5a52832cec8dfbc213a97a64d7b07a92558e7e10eff10d858057ed50c029e6d6bdfa30af3b12672b2878a63d1581d10973dd8009eb9150b9af605fff7bd15

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/1476-115-0x0000000074260000-0x000000007428D000-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 996 wrote to memory of 1476	996	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 1476	996	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 1476	996	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3b5d8019b1e14418263019d3514f8030cb2800c3a0b6b248cadeaeb341708c5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:996

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3b5d8019b1e14418263019d3514f8030cb2800c3a0b6b248cadeaeb341708c5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1476

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1476-114-0x0000000000000000-mapping.dmp

Download
memory/1476-115-0x0000000074260000-0x000000007428D000-memory.dmp

Filesize
180KB

Download
memory/1476-117-0x0000000000590000-0x000000000063E000-memory.dmp

Filesize
696KB

Download