dridex | 388f11f436baba3689dd60b23e429c58becb8ed2f530fab1bc2e130fbca91a47

Analysis

max time kernel
39s
max time network
48s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:50

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General

Target

388f11f436baba3689dd60b23e429c58becb8ed2f530fab1bc2e130fbca91a47.dll
Size

161KB
MD5

3c59e3fee52a1a66ea691cb9c8f374dc
SHA1

26e0a856d97f143c5ccb93a74de18b0d7e5cbc21
SHA256

388f11f436baba3689dd60b23e429c58becb8ed2f530fab1bc2e130fbca91a47
SHA512

64c48e7cea4aef088223827d438a1d1c6d5370a2bd072745371c93ffd05ce6eebcfc6cd963f43fc2325c19f9e85cd0a9fcaf69ee3bf1060610a2ea4c46b6f5e8

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1816-115-0x0000000073F50000-0x0000000073F7E000-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 1032 wrote to memory of 1816	1032	rundll32.exe	rundll32.exe
PID 1032 wrote to memory of 1816	1032	rundll32.exe	rundll32.exe
PID 1032 wrote to memory of 1816	1032	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\388f11f436baba3689dd60b23e429c58becb8ed2f530fab1bc2e130fbca91a47.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\388f11f436baba3689dd60b23e429c58becb8ed2f530fab1bc2e130fbca91a47.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1816

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/1816-114-0x0000000000000000-mapping.dmp

Download
memory/1816-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

Filesize
184KB

Download
memory/1816-117-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download