dridex | 4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede

Analysis

max time kernel
20s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
22/06/2021, 12:40

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General

Target
4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede.dll
Size 162KB
Sample210622-qhb4twebps
SHA256 4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede
MD5 ba3fc34bc6a24cba1fec0f5704e7ea1a
SHA1 e741fee89f6ee53e37de7490e4456a9e84f8b604
SHA512 5a03cf8a70be9278f1b4abb0f69018cc78633598d8005880a5c797b640b87fa8b4413d411ab2255070f73f62cc4c055c72e04e3d77ff40aa9f400b76ac6ee9e7
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/1828-115-0x0000000073660000-0x000000007368E000-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 3 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 1828	4092	rundll32.exe	69
PID 4092 wrote to memory of 1828	4092	rundll32.exe	69
PID 4092 wrote to memory of 1828	4092	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1828

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

Replay Monitor

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Downloads

memory/1828-115-0x0000000073660000-0x000000007368E000-memory.dmp

Download

memory/1828-117-0x0000000000AC0000-0x0000000000AC6000-memory.dmp