dridex | 770dd726919719bcfa1d98e2c816a4ab236a55068eb1509df79c35e941d4eb21

Analysis

max time kernel
46s
max time network
68s
platform
windows10_x64
resource
win10v20210408
submitted
14/05/2021, 21:03

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General

Target
3489a25c_by_Libranalysis.dll
Size 162KB
Sample210514-vbfb2ebkfs
SHA256 770dd726919719bcfa1d98e2c816a4ab236a55068eb1509df79c35e941d4eb21
MD5 3489a25c07cb2408168fcfa7de2c74d8
SHA1 3866612806b796a398730f7de37d4ef0af5fb445
SHA512 a1bcaad057c0e590f6103829d4abaa954b3aa9dddbd4278be2cbe20bad5705039dd8bf850833f9c61a04792698084375581c55d489fd36c73daebe84eedd4873
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/1236-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 1236	668	rundll32.exe	70
PID 668 wrote to memory of 1236	668	rundll32.exe	70
PID 668 wrote to memory of 1236	668	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3489a25c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3489a25c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1236

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/1236-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

Download

memory/1236-117-0x0000000003360000-0x00000000034AA000-memory.dmp