dridex | 4276adde8a413d6379d29fd4edcdae5bf62d12a94f688cbd0c44a63cb22c4aa2

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 06:17

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General

Target

4276adde8a413d6379d29fd4edcdae5bf62d12a94f688cbd0c44a63cb22c4aa2.dll
Size

158KB
MD5

694330158910f99638c1522e57ad92b7
SHA1

7f2e9971f28c91bfe88e3407b553c0648a9efb4d
SHA256

4276adde8a413d6379d29fd4edcdae5bf62d12a94f688cbd0c44a63cb22c4aa2
SHA512

0f6ba907c310ef26c69ffc9df9a62881e1e9f504986db168c482cec884aea014c5f69950ae61d8058b3e6d0062ef68c2b536093dad492fc869f35ac9ea832544

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/3220-115-0x00000000736B0000-0x00000000736DD000-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 2256 wrote to memory of 3220	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3220	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3220	2256	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4276adde8a413d6379d29fd4edcdae5bf62d12a94f688cbd0c44a63cb22c4aa2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4276adde8a413d6379d29fd4edcdae5bf62d12a94f688cbd0c44a63cb22c4aa2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3220

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/3220-114-0x0000000000000000-mapping.dmp

Download
memory/3220-115-0x00000000736B0000-0x00000000736DD000-memory.dmp

Filesize
180KB

Download
memory/3220-117-0x00000000031E0000-0x000000000332A000-memory.dmp

Filesize
1.3MB

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