dridex | 525cd9c1510145b91839a6915917c7de5cc53f938d0b99242d3f8021fea90b9b

Analysis

max time kernel
26s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
18-06-2021 13:24

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General

Target

525cd9c1510145b91839a6915917c7de5cc53f938d0b99242d3f8021fea90b9b.dll
Size

158KB
MD5

a95f7d93dbc05802340bb7e71372c1f4
SHA1

4efa293dd017bbb239874cf28c0d13521706fd48
SHA256

525cd9c1510145b91839a6915917c7de5cc53f938d0b99242d3f8021fea90b9b
SHA512

868f49c4c3abf8a06c6aad35d702b9c0b35249a1ac91f5cf8106b22a2628686e1f1a03541a3333ef79d44cd0785f5b3ce414f5e6e51e99e0348b5bcf7720dc6c

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1200-115-0x0000000073D90000-0x0000000073DBD000-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 1200	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1200	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1200	856	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\525cd9c1510145b91839a6915917c7de5cc53f938d0b99242d3f8021fea90b9b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\525cd9c1510145b91839a6915917c7de5cc53f938d0b99242d3f8021fea90b9b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1200

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/1200-114-0x0000000000000000-mapping.dmp

Download
memory/1200-115-0x0000000073D90000-0x0000000073DBD000-memory.dmp

Filesize
180KB

Download
memory/1200-117-0x0000000000710000-0x000000000085A000-memory.dmp

Filesize
1.3MB

Download