dridex | e90e38df9076f59bf1f29a93f011f2eb767456dd786a6233b65b6cfbce359630

Analysis

max time kernel
111s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:08

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General

Target

e90e38df9076f59bf1f29a93f011f2eb767456dd786a6233b65b6cfbce359630.dll
Size

157KB
MD5

d08da8d1e4e11fe68449e387cd53c338
SHA1

d6067a0b1b506c0659ec54833f65984118f6c76b
SHA256

e90e38df9076f59bf1f29a93f011f2eb767456dd786a6233b65b6cfbce359630
SHA512

cb1b12dd1873a797b228a3b15d48c3e1b10fdec4296d0afb1d75598538c1210217ece56ff97e03577ffb99b89ad0dc364623984e87323ba6df289dd3167cc365

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/1052-115-0x00000000738F0000-0x000000007391D000-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 856 wrote to memory of 1052	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1052	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1052	856	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e90e38df9076f59bf1f29a93f011f2eb767456dd786a6233b65b6cfbce359630.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e90e38df9076f59bf1f29a93f011f2eb767456dd786a6233b65b6cfbce359630.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1052

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/1052-114-0x0000000000000000-mapping.dmp

Download
memory/1052-115-0x00000000738F0000-0x000000007391D000-memory.dmp

Filesize
180KB

Download
memory/1052-117-0x00000000010D0000-0x00000000010D6000-memory.dmp

Filesize
24KB

Download