dridex | fe31ad6a6c46e9ed05910d5d19feffeb10b122f42583cc29776c48017ef0b2b3

Analysis

max time kernel
62s
max time network
59s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fe31ad6a6c46e9ed05910d5d19feffeb10b122f42583cc29776c48017ef0b2b3.dll
Size

154KB
MD5

71e62f31aa16ec291a06bcab07000eec
SHA1

b6886c5efe87183f17148968f02a816741ad1a95
SHA256

fe31ad6a6c46e9ed05910d5d19feffeb10b122f42583cc29776c48017ef0b2b3
SHA512

2c88fd1b936744863dd3f2d3c2b66ad4f5bd106dfca63dd109ef6999a83eeb3d250231e1dabd1f8cfc2285d24213268a00579e00f8803fedcae3715ea882f3c5

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/2008-62-0x0000000074FD0000-0x0000000074FFD000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1628 wrote to memory of 2008	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2008	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2008	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2008	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2008	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2008	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2008	1628	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe31ad6a6c46e9ed05910d5d19feffeb10b122f42583cc29776c48017ef0b2b3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe31ad6a6c46e9ed05910d5d19feffeb10b122f42583cc29776c48017ef0b2b3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2008

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

Loading Replay Monitor...

Downloads

memory/2008-60-0x0000000000000000-mapping.dmp

Download
memory/2008-61-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/2008-62-0x0000000074FD0000-0x0000000074FFD000-memory.dmp

Filesize
180KB

Download
memory/2008-64-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download