dridex | 33b9f5238d8a2ad45f1cfbb64b2ededb048b9b02b17c3345cb6ee18a05a63dba

Analysis

max time kernel
26s
max time network
122s
platform
windows10_x64
resource
win10v20210408
submitted
22-06-2021 00:39

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General

Target

33b9f5238d8a2ad45f1cfbb64b2ededb048b9b02b17c3345cb6ee18a05a63dba.dll
Size

160KB
MD5

796b60c77e2cf36fd5c5fc6b06a5c7a1
SHA1

abbfbbd2bc32db80ea6fcbd26319605517600bab
SHA256

33b9f5238d8a2ad45f1cfbb64b2ededb048b9b02b17c3345cb6ee18a05a63dba
SHA512

05cb2a60b89af4264b57c9f331b70217ed138c6adad3fd9c12da01c58088b7b59c36d739dc448a9f193878545db2ee52e79d3fc1c6c72b1ea96e2962a595b92f

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/2196-115-0x0000000073560000-0x000000007358E000-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 3492 wrote to memory of 2196	3492	rundll32.exe	rundll32.exe
PID 3492 wrote to memory of 2196	3492	rundll32.exe	rundll32.exe
PID 3492 wrote to memory of 2196	3492	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33b9f5238d8a2ad45f1cfbb64b2ededb048b9b02b17c3345cb6ee18a05a63dba.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\33b9f5238d8a2ad45f1cfbb64b2ededb048b9b02b17c3345cb6ee18a05a63dba.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2196

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/2196-114-0x0000000000000000-mapping.dmp

Download
memory/2196-115-0x0000000073560000-0x000000007358E000-memory.dmp

Filesize
184KB

Download
memory/2196-117-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download