dridex | 3ff8df8b19ea1f046c00a1fbdd890264e3ba61256f9384b8b0871620cbadc840

Analysis

max time kernel
20s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
23-06-2021 05:40

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General

Target

3ff8df8b19ea1f046c00a1fbdd890264e3ba61256f9384b8b0871620cbadc840.dll
Size

160KB
MD5

edf377af6fb23f7b29d741b9ae9abdae
SHA1

3ea89df4fa6534522e63a10ac868e418049a10e9
SHA256

3ff8df8b19ea1f046c00a1fbdd890264e3ba61256f9384b8b0871620cbadc840
SHA512

3c6a69f6748a7666fb086ad2140fc01753873ae02deaf8863eafba809ab6ea54d34df3cb53accc1ba189021cffedd6f7c425fb57f3558d56fe0747dc0e0180db

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3516-115-0x0000000073EE0000-0x0000000073F0E000-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 4060 wrote to memory of 3516	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3516	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3516	4060	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ff8df8b19ea1f046c00a1fbdd890264e3ba61256f9384b8b0871620cbadc840.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ff8df8b19ea1f046c00a1fbdd890264e3ba61256f9384b8b0871620cbadc840.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3516

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/3516-114-0x0000000000000000-mapping.dmp

Download
memory/3516-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

Filesize
184KB

Download
memory/3516-117-0x0000000000E00000-0x0000000000EAE000-memory.dmp

Filesize
696KB

Download