dridex | 3d3036b6677da57babc5cdbbb47cd14293a92c259c98a15af621214b8eaceea7

Analysis

max time kernel
34s
max time network
42s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:03

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General

Target

3d3036b6677da57babc5cdbbb47cd14293a92c259c98a15af621214b8eaceea7.dll
Size

157KB
MD5

f8a4c68575f10a713bf774a350a0b087
SHA1

c21114884a698a0851d354d8c9278e0efe0f0e3a
SHA256

3d3036b6677da57babc5cdbbb47cd14293a92c259c98a15af621214b8eaceea7
SHA512

2dd764be69827b3c29250820013f0c94e2f1d194af67a69d3039a7e9a627dedfa7db4e0b4d976da4ce916cd8d9f336704adf7235727d91f20cb5024d48c01b50

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/4872-115-0x0000000073880000-0x00000000738AD000-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 4808 wrote to memory of 4872	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 4872	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 4872	4808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d3036b6677da57babc5cdbbb47cd14293a92c259c98a15af621214b8eaceea7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d3036b6677da57babc5cdbbb47cd14293a92c259c98a15af621214b8eaceea7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4872

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/4872-114-0x0000000000000000-mapping.dmp

Download
memory/4872-115-0x0000000073880000-0x00000000738AD000-memory.dmp

Filesize
180KB

Download
memory/4872-117-0x00000000004B0000-0x00000000005FA000-memory.dmp

Filesize
1.3MB

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