dridex | dffb2b2f4681001350fb8c0a44f5ffaca7205dd4df9082c6bec3223ed83c8501

Analysis

max time kernel
135s
max time network
136s
platform
windows7_x64
resource
win7v20210408
submitted
21/04/2021, 17:27

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General

Target
dffb2b2f4681001350fb8c0a44f5ffaca7205dd4df9082c6bec3223ed83c8501.dll
Size 162KB
Sample210421-ylewzzv5qa
SHA256 dffb2b2f4681001350fb8c0a44f5ffaca7205dd4df9082c6bec3223ed83c8501
MD5 478b918d9df5c12a06c1fbc90c7da1db
SHA1 7cd24bdaf7de98ff777adbf5500e89d2da6ceb88
SHA512 7a892fe6d2fd9d1e325a5fbf94edb730b557db319e2bc0b926a7c2f1af938671c8c30db42cac09800629a2c6cfc4c6b61a818e9e68b044b77139f671033d65cd
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral1/memory/2004-62-0x0000000074D80000-0x0000000074DAE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2004	1820	rundll32.exe	25
PID 1820 wrote to memory of 2004	1820	rundll32.exe	25
PID 1820 wrote to memory of 2004	1820	rundll32.exe	25
PID 1820 wrote to memory of 2004	1820	rundll32.exe	25
PID 1820 wrote to memory of 2004	1820	rundll32.exe	25
PID 1820 wrote to memory of 2004	1820	rundll32.exe	25
PID 1820 wrote to memory of 2004	1820	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dffb2b2f4681001350fb8c0a44f5ffaca7205dd4df9082c6bec3223ed83c8501.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dffb2b2f4681001350fb8c0a44f5ffaca7205dd4df9082c6bec3223ed83c8501.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2004

Network

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

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Downloads

memory/2004-61-0x0000000076641000-0x0000000076643000-memory.dmp

Download

memory/2004-62-0x0000000074D80000-0x0000000074DAE000-memory.dmp

Download

memory/2004-64-0x0000000000210000-0x0000000000216000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads