dridex | 546e89540be682ab93001368dbd34b0026f617f71cc8a985dc043dbd4058f98e

Analysis

max time kernel
28s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:18

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General

Target

546e89540be682ab93001368dbd34b0026f617f71cc8a985dc043dbd4058f98e.dll
Size

154KB
MD5

0f49e92e83b77442b0f98ad5b600a5a7
SHA1

343ad6cda92e0d32d555e0765ea31de3ab80b973
SHA256

546e89540be682ab93001368dbd34b0026f617f71cc8a985dc043dbd4058f98e
SHA512

b156e8eab905172b485dc2a6fe9481b734b7e91179100e9e2213723d5cf3e74418a332dfc72a0d61c58b72014525bbdd198d7c7174fa6467cb67c51cf512bd27

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/2016-62-0x0000000074A90000-0x0000000074ABD000-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 2016	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 2016	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 2016	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 2016	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 2016	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 2016	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 2016	336	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\546e89540be682ab93001368dbd34b0026f617f71cc8a985dc043dbd4058f98e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\546e89540be682ab93001368dbd34b0026f617f71cc8a985dc043dbd4058f98e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2016

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/2016-60-0x0000000000000000-mapping.dmp

Download
memory/2016-61-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/2016-62-0x0000000074A90000-0x0000000074ABD000-memory.dmp

Filesize
180KB

Download
memory/2016-64-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download