dridex | 68f1b890375bbc84860789bbf7bad45c887c15661be688885a6375784f57a54d

Analysis

max time kernel
35s
max time network
44s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:10

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General

Target

68f1b890375bbc84860789bbf7bad45c887c15661be688885a6375784f57a54d.dll
Size

157KB
MD5

f94bcf412c9b7c78981eb3eabb7a706c
SHA1

64c8b0d56466306fddc338d7cd3865c7af8debeb
SHA256

68f1b890375bbc84860789bbf7bad45c887c15661be688885a6375784f57a54d
SHA512

606e6690f5fd7b93a5a7e226e42148ec508337146f71f4a9d68d3946375a152aea41e7a8df2d3ace27d88ebb1690ec2026f14900996deba6381df3ac05c1aaf9

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/3888-115-0x0000000073560000-0x000000007358D000-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 3920 wrote to memory of 3888	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 3888	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 3888	3920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\68f1b890375bbc84860789bbf7bad45c887c15661be688885a6375784f57a54d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\68f1b890375bbc84860789bbf7bad45c887c15661be688885a6375784f57a54d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3888

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/3888-114-0x0000000000000000-mapping.dmp

Download
memory/3888-115-0x0000000073560000-0x000000007358D000-memory.dmp

Filesize
180KB

Download
memory/3888-117-0x0000000002600000-0x000000000274A000-memory.dmp

Filesize
1.3MB

Download