dridex | 739875b2c5af6dc4bd5dfe5c797209668ebae8d29dd9dae2cb378f4c9a1ba96a

Analysis

max time kernel
20s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
23-06-2021 06:00

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General

Target

739875b2c5af6dc4bd5dfe5c797209668ebae8d29dd9dae2cb378f4c9a1ba96a.dll
Size

158KB
MD5

c5f7f5dc1de50688a79a0e9733be5437
SHA1

3901087b85c3718d63270c7b1cd8c1317311b478
SHA256

739875b2c5af6dc4bd5dfe5c797209668ebae8d29dd9dae2cb378f4c9a1ba96a
SHA512

44824330d70063420853393f5a009a8d0e503c46e85d9c9a6d0199d32f76b604c87149409396c1507614d279c9f8637f5a1cbdc8d1b1eea898b84ae83f908821

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/3944-115-0x0000000074090000-0x00000000740BD000-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 3952 wrote to memory of 3944	3952	rundll32.exe	rundll32.exe
PID 3952 wrote to memory of 3944	3952	rundll32.exe	rundll32.exe
PID 3952 wrote to memory of 3944	3952	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\739875b2c5af6dc4bd5dfe5c797209668ebae8d29dd9dae2cb378f4c9a1ba96a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\739875b2c5af6dc4bd5dfe5c797209668ebae8d29dd9dae2cb378f4c9a1ba96a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3944

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/3944-114-0x0000000000000000-mapping.dmp

Download
memory/3944-115-0x0000000074090000-0x00000000740BD000-memory.dmp

Filesize
180KB

Download
memory/3944-117-0x0000000000600000-0x000000000074A000-memory.dmp

Filesize
1.3MB

Download