dridex | b7bcb18e5d5cad483118d05c4847d46b84ff94979b68ff7846e35d19e40b9b2e

Analysis

max time kernel
26s
max time network
123s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 17:26

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General

Target

b7bcb18e5d5cad483118d05c4847d46b84ff94979b68ff7846e35d19e40b9b2e.dll
Size

158KB
MD5

ec64210ee5730c41b8204170c5b2c285
SHA1

f3b8b18e2d07b238f3fb26bfae6006afd46d1a36
SHA256

b7bcb18e5d5cad483118d05c4847d46b84ff94979b68ff7846e35d19e40b9b2e
SHA512

be58a7bbe754dc4f5ef40752b20c80e6f872a98c1f8ef8b295df450d7f2527e0ff30ad6b26b0345f36c9102477e5c4b08114134448c44ca8f6e02ca7306b3aff

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/4016-115-0x0000000073560000-0x000000007358D000-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 3492 wrote to memory of 4016	3492	rundll32.exe	rundll32.exe
PID 3492 wrote to memory of 4016	3492	rundll32.exe	rundll32.exe
PID 3492 wrote to memory of 4016	3492	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7bcb18e5d5cad483118d05c4847d46b84ff94979b68ff7846e35d19e40b9b2e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7bcb18e5d5cad483118d05c4847d46b84ff94979b68ff7846e35d19e40b9b2e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4016

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/4016-114-0x0000000000000000-mapping.dmp

Download
memory/4016-115-0x0000000073560000-0x000000007358D000-memory.dmp

Filesize
180KB

Download
memory/4016-117-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download