dridex | 3138b1a764e69f9dd881cec7bf206b530e62d1481737b6e12974bb26e4429a72

Analysis

max time kernel
29s
max time network
75s
platform
windows10_x64
resource
win10v20210408
submitted
22-06-2021 00:58

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General

Target

3138b1a764e69f9dd881cec7bf206b530e62d1481737b6e12974bb26e4429a72.dll
Size

160KB
MD5

3c2385aeb0cf3684a43fce15bb870160
SHA1

8b60ca65dcfa648e743f95b3d2de210b3f71a067
SHA256

3138b1a764e69f9dd881cec7bf206b530e62d1481737b6e12974bb26e4429a72
SHA512

08f2634c521b7e60a3a6b29a9576daa81cf7d04ac5c4318f717f86af9d3fde730d9ffe7cc536809920733ae3da4ea7702157dfb08154e216debda129711fd725

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1416-115-0x00000000738F0000-0x000000007391E000-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 804 wrote to memory of 1416	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1416	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1416	804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3138b1a764e69f9dd881cec7bf206b530e62d1481737b6e12974bb26e4429a72.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3138b1a764e69f9dd881cec7bf206b530e62d1481737b6e12974bb26e4429a72.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1416

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/1416-114-0x0000000000000000-mapping.dmp

Download
memory/1416-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Filesize
184KB

Download
memory/1416-117-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download