dridex | f602f87b1d7cef7a5725b385964f90c98983cfd5300b3093aa26c02ad2ad7f36

Analysis

max time kernel
46s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:08

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General

Target

f602f87b1d7cef7a5725b385964f90c98983cfd5300b3093aa26c02ad2ad7f36.dll
Size

154KB
MD5

33ee8f4b53f0ef0ad2ace51d87b18461
SHA1

497e3dc5bb82747c5e04d3bf77485ec75da6af80
SHA256

f602f87b1d7cef7a5725b385964f90c98983cfd5300b3093aa26c02ad2ad7f36
SHA512

6ff5fd3c3e36dc5107b5c3b0381c620b81c96f4cefa02327b8dcc857326d60d0e83ee479d6565faf2199744a43a0db22c5095230dede308dbc426d86f39823f3

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/4036-115-0x0000000074390000-0x00000000743BD000-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 632 wrote to memory of 4036	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 4036	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 4036	632	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f602f87b1d7cef7a5725b385964f90c98983cfd5300b3093aa26c02ad2ad7f36.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f602f87b1d7cef7a5725b385964f90c98983cfd5300b3093aa26c02ad2ad7f36.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4036

Network

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/4036-114-0x0000000000000000-mapping.dmp

Download
memory/4036-115-0x0000000074390000-0x00000000743BD000-memory.dmp

Filesize
180KB

Download
memory/4036-117-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download