dridex | 36510e2372d6aa4b2e3952bec9f97f37d0d58c5cf279de0c4b8a2fd061be8b73

Analysis

max time kernel
20s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 22:59

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General

Target
36510e2372d6aa4b2e3952bec9f97f37d0d58c5cf279de0c4b8a2fd061be8b73.dll
Size 162KB
Sample210420-8xepvr39vj
SHA256 36510e2372d6aa4b2e3952bec9f97f37d0d58c5cf279de0c4b8a2fd061be8b73
MD5 3101bd26a7033abe4e67c71a515cf988
SHA1 3b1685c692b8b8d8229d962239c7b71513715fd5
SHA512 0ec7706af88becec10dc9867902582a47626edebaec0eaf77dd16528f2f2ffbbb1a38d22525bccdd2c00f310f3ecd19c41e7ab60ed6cc82daddd874adaf84507
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/3432-115-0x00000000741E0000-0x000000007420E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 3432	1016	rundll32.exe	16
PID 1016 wrote to memory of 3432	1016	rundll32.exe	16
PID 1016 wrote to memory of 3432	1016	rundll32.exe	16

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36510e2372d6aa4b2e3952bec9f97f37d0d58c5cf279de0c4b8a2fd061be8b73.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\36510e2372d6aa4b2e3952bec9f97f37d0d58c5cf279de0c4b8a2fd061be8b73.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3432

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/3432-115-0x00000000741E0000-0x000000007420E000-memory.dmp

Download

memory/3432-117-0x0000000000AC0000-0x0000000000AC6000-memory.dmp