dridex | bdb22d428ca5492c660affe16abd7a82c9463e5c10fc71d9047f408584ddefac

Analysis

max time kernel
46s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 21:43

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General

Target

bdb22d428ca5492c660affe16abd7a82c9463e5c10fc71d9047f408584ddefac.dll
Size

162KB
MD5

f5460203eca5fcc741cbb62f79a3aed6
SHA1

a46544f271891f1997297ea271734855d4576481
SHA256

bdb22d428ca5492c660affe16abd7a82c9463e5c10fc71d9047f408584ddefac
SHA512

1bf1cda0386aebbd4d52887017052ac136c3021446081425b6ae8587341afd48eb9c59092ca4a3eff31ee3841cb14afe64127c08ceed8e36daece086932d4b01

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/1000-115-0x0000000073FB0000-0x0000000073FDE000-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 640 wrote to memory of 1000	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1000	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1000	640	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdb22d428ca5492c660affe16abd7a82c9463e5c10fc71d9047f408584ddefac.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdb22d428ca5492c660affe16abd7a82c9463e5c10fc71d9047f408584ddefac.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1000

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/1000-114-0x0000000000000000-mapping.dmp

Download
memory/1000-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

Filesize
184KB

Download
memory/1000-117-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Filesize
24KB

Download