dridex | fc8c2699cfaf88b2eeb780079848090946e9f86f070d2fff86a4e53ac0ef6013

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
28-06-2021 09:46

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General

Target

fc8c2699cfaf88b2eeb780079848090946e9f86f070d2fff86a4e53ac0ef6013.dll
Size

158KB
MD5

7515dde2cec8564b89d012740c62449d
SHA1

0ec1505a6fc381b54da7ae2ae64e70f99998f73b
SHA256

fc8c2699cfaf88b2eeb780079848090946e9f86f070d2fff86a4e53ac0ef6013
SHA512

f5ae7d402fddbc6cd9ac108bf1843fc814df65a00ec83bd60206b439306f6e646c93a8860d90569ec69260796ba7ac929dfd1558ccb09fbf78b012a85a460579

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/4512-115-0x0000000073820000-0x000000007384D000-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 4440 wrote to memory of 4512	4440	rundll32.exe	rundll32.exe
PID 4440 wrote to memory of 4512	4440	rundll32.exe	rundll32.exe
PID 4440 wrote to memory of 4512	4440	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc8c2699cfaf88b2eeb780079848090946e9f86f070d2fff86a4e53ac0ef6013.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc8c2699cfaf88b2eeb780079848090946e9f86f070d2fff86a4e53ac0ef6013.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4512

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/4512-114-0x0000000000000000-mapping.dmp

Download
memory/4512-115-0x0000000073820000-0x000000007384D000-memory.dmp

Filesize
180KB

Download
memory/4512-117-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download