dridex | cb84a870c437517bc3971451d1695e9f85cf98572c50e9d6446fe4170aaae522

Analysis

max time kernel
47s
max time network
58s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:44

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General

Target

cb84a870c437517bc3971451d1695e9f85cf98572c50e9d6446fe4170aaae522.dll
Size

154KB
MD5

5376ede319d674d2965f6c37fbeedc83
SHA1

e05927fbc92b4e489f9dfd6c0ba7ea6b18bec40e
SHA256

cb84a870c437517bc3971451d1695e9f85cf98572c50e9d6446fe4170aaae522
SHA512

2d1d1533b80b29e8e5484c84a119cda5a435cfbee1182f42a05f6d60553bfa90a4bc2844a8d46e54d0a74b0990966308aefa5592fad04bda193948578d8494ff

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/3120-115-0x0000000073890000-0x00000000738BD000-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 3008 wrote to memory of 3120	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 3120	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 3120	3008	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb84a870c437517bc3971451d1695e9f85cf98572c50e9d6446fe4170aaae522.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb84a870c437517bc3971451d1695e9f85cf98572c50e9d6446fe4170aaae522.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3120

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/3120-114-0x0000000000000000-mapping.dmp

Download
memory/3120-115-0x0000000073890000-0x00000000738BD000-memory.dmp

Filesize
180KB

Download
memory/3120-117-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download