dridex | 831876e31b0f19ab35bfeeba85a3b504cee6b08ffdd2b84161c10ec5eaab2746

Analysis

max time kernel
46s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:38

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General

Target

831876e31b0f19ab35bfeeba85a3b504cee6b08ffdd2b84161c10ec5eaab2746.dll
Size

162KB
MD5

80b75fa1f10e06a2466a6a1597bd0e08
SHA1

10c893a2c6752fe5c26b4953436d920452642cc0
SHA256

831876e31b0f19ab35bfeeba85a3b504cee6b08ffdd2b84161c10ec5eaab2746
SHA512

e0990f54358bbc0626071199eeb2be19a321b2af50365ec43c3d1ae6bb122fd3d732fbbeb7c3b4181c0d022555c7cebcb60394146592da9dce367137757f58d8

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/884-115-0x0000000073FB0000-0x0000000073FDE000-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 668 wrote to memory of 884	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 884	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 884	668	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\831876e31b0f19ab35bfeeba85a3b504cee6b08ffdd2b84161c10ec5eaab2746.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:668

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\831876e31b0f19ab35bfeeba85a3b504cee6b08ffdd2b84161c10ec5eaab2746.dll,#1
2⤵
- Checks whether UAC is enabled
PID:884

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/884-114-0x0000000000000000-mapping.dmp

Download
memory/884-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

Filesize
184KB

Download
memory/884-117-0x0000000003300000-0x0000000003306000-memory.dmp

Filesize
24KB

Download