dridex | b4000c248a5cbce6baa4676fe320e6f0b232c3164d2427c24d65fe7334db87dc

Analysis

max time kernel
107s
max time network
108s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 14:05

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General

Target

b4000c248a5cbce6baa4676fe320e6f0b232c3164d2427c24d65fe7334db87dc.dll
Size

162KB
MD5

5b07a0e0f053a7207694a7b042c0a2f0
SHA1

e1500b850bc00b6cc50696b9df84b93e22aec320
SHA256

b4000c248a5cbce6baa4676fe320e6f0b232c3164d2427c24d65fe7334db87dc
SHA512

0bbe252ab755373ac07825bd82f0b5be98e36d1f07b722cc21a50ab054fb497ba85f26741deb88e49dcc435196be55cdd1409b618cf2de9874a233701a7ae5b1

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/3756-115-0x0000000073AA0000-0x0000000073ACE000-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 2016 wrote to memory of 3756	2016	rundll32.exe	rundll32.exe
PID 2016 wrote to memory of 3756	2016	rundll32.exe	rundll32.exe
PID 2016 wrote to memory of 3756	2016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4000c248a5cbce6baa4676fe320e6f0b232c3164d2427c24d65fe7334db87dc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4000c248a5cbce6baa4676fe320e6f0b232c3164d2427c24d65fe7334db87dc.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3756

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/3756-114-0x0000000000000000-mapping.dmp

Download
memory/3756-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

Filesize
184KB

Download
memory/3756-117-0x0000000000C40000-0x0000000000C46000-memory.dmp

Filesize
24KB

Download