dridex | b8d328a5f5f586f691e447bffdae273ecac21c5a2ef4ad266f1eaa1ff329874b

Analysis

max time kernel
40s
max time network
75s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 23:54

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General

Target

b8d328a5f5f586f691e447bffdae273ecac21c5a2ef4ad266f1eaa1ff329874b.dll
Size

162KB
MD5

458e559c8182cb16612797ce291f9be8
SHA1

e43083dac32ce12310f0c24cddc7828bbab391e5
SHA256

b8d328a5f5f586f691e447bffdae273ecac21c5a2ef4ad266f1eaa1ff329874b
SHA512

6e39562bfa783eb941aefd50759aa9d7c53dc02169fa5bb504e965cf4310c31fd0a61756755845786a42924dabdcbb6aef72a1cfefc5f1aab35ae065661881d6

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/1428-115-0x0000000073C70000-0x0000000073C9E000-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 708 wrote to memory of 1428	708	rundll32.exe	rundll32.exe
PID 708 wrote to memory of 1428	708	rundll32.exe	rundll32.exe
PID 708 wrote to memory of 1428	708	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8d328a5f5f586f691e447bffdae273ecac21c5a2ef4ad266f1eaa1ff329874b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:708

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8d328a5f5f586f691e447bffdae273ecac21c5a2ef4ad266f1eaa1ff329874b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1428

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/1428-114-0x0000000000000000-mapping.dmp

Download
memory/1428-115-0x0000000073C70000-0x0000000073C9E000-memory.dmp

Filesize
184KB

Download
memory/1428-117-0x0000000003480000-0x0000000003486000-memory.dmp

Filesize
24KB

Download