dridex | 3507ef25e95cbe6f33798f968f644222fcb5e232273f113aed19fabc5f3bffb2

Analysis

max time kernel
25s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 17:04

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General

Target

3507ef25e95cbe6f33798f968f644222fcb5e232273f113aed19fabc5f3bffb2.dll
Size

162KB
MD5

32306ba278c9538db6931c5aa9167c70
SHA1

05ee18952c4890d044240118e24d430b39f507ae
SHA256

3507ef25e95cbe6f33798f968f644222fcb5e232273f113aed19fabc5f3bffb2
SHA512

6bed9aebbd5161a780eb8e34487eed964cfe8fe3ced4807959a4b0103a86dbde48dd62a544efcb60aa16574424be651c05a4391660b9d31b341cbe26350ab340

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

Processes:

resource	yara_rule
behavioral1/memory/648-62-0x0000000074A90000-0x0000000074ABE000-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 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3507ef25e95cbe6f33798f968f644222fcb5e232273f113aed19fabc5f3bffb2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3507ef25e95cbe6f33798f968f644222fcb5e232273f113aed19fabc5f3bffb2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:648

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/648-60-0x0000000000000000-mapping.dmp

Download
memory/648-61-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/648-62-0x0000000074A90000-0x0000000074ABE000-memory.dmp

Filesize
184KB

Download
memory/648-64-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download