dridex | cbe76441844bd0b28afb2b183f52ef3bec4c2a4b26884219049ba2618a823989

Analysis

max time kernel
21s
max time network
43s
platform
windows7_x64
resource
win7v20210410
submitted
26-07-2021 20:52

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General

Target

d0a9777d063838dbf9d566a8ae327c4e.dll
Size

173KB
MD5

d0a9777d063838dbf9d566a8ae327c4e
SHA1

6f92815c9209e5d1e1bc1100b5f6c59502ab32d8
SHA256

cbe76441844bd0b28afb2b183f52ef3bec4c2a4b26884219049ba2618a823989
SHA512

174082c78d9ea76724cee9736a07400e3cb24b1d4ba0d6f4e4e4ab2b89043633af5f67cb853edd6af33f894149c66787a4eecf69dfe35abea50c1b283fdceefb

Score

10^/10

dridex 22202 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22202

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

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/2020-61-0x0000000074E30000-0x0000000074E60000-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 1072 wrote to memory of 2020	1072	rundll32.exe	rundll32.exe
PID 1072 wrote to memory of 2020	1072	rundll32.exe	rundll32.exe
PID 1072 wrote to memory of 2020	1072	rundll32.exe	rundll32.exe
PID 1072 wrote to memory of 2020	1072	rundll32.exe	rundll32.exe
PID 1072 wrote to memory of 2020	1072	rundll32.exe	rundll32.exe
PID 1072 wrote to memory of 2020	1072	rundll32.exe	rundll32.exe
PID 1072 wrote to memory of 2020	1072	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0a9777d063838dbf9d566a8ae327c4e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1072

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0a9777d063838dbf9d566a8ae327c4e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2020

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/2020-60-0x00000000752F1000-0x00000000752F3000-memory.dmp

Filesize
8KB

Download
memory/2020-59-0x0000000000000000-mapping.dmp

Download
memory/2020-61-0x0000000074E30000-0x0000000074E60000-memory.dmp

Filesize
192KB

Download
memory/2020-63-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download