dridex | 8a33665fd4857ea628a8b2b69e3c2002aaf024a44d27f1a11145a4801c66b4ed

Analysis

max time kernel
136s
max time network
138s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 06:01

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General

Target
b3867b1b_by_Libranalysis.dll
Size 162KB
Sample210503-5rrdbc4c92
SHA256 8a33665fd4857ea628a8b2b69e3c2002aaf024a44d27f1a11145a4801c66b4ed
MD5 b3867b1b884441a736cf46e3328236a3
SHA1 6fdd38ee3af0875dc5bf63e8a73142d877329afb
SHA512 485032e9130ec17494d880b96c64fb137fe4f5f656048002d2f67c6a70adddad94528aa469f32e2c59c41ffddcf011d708184c99a13410260dac769bad34346c
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/1616-115-0x0000000074420000-0x000000007444E000-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 3212 wrote to memory of 1616	3212	rundll32.exe	69
PID 3212 wrote to memory of 1616	3212	rundll32.exe	69
PID 3212 wrote to memory of 1616	3212	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3867b1b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3867b1b_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1616

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/1616-115-0x0000000074420000-0x000000007444E000-memory.dmp

Download

memory/1616-117-0x0000000000B80000-0x0000000000B86000-memory.dmp