dridex | 661b17872b24fdd8a016c6fe1ba32781e537cce53237aeba800576a4a67e2e0d

Analysis

max time kernel
120s
max time network
120s
platform
windows10_x64
resource
win10v20210410
submitted
04/05/2021, 02:03

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General

Target
b98bf885_by_Libranalysis.dll
Size 162KB
Sample210504-2jtzecmyne
SHA256 661b17872b24fdd8a016c6fe1ba32781e537cce53237aeba800576a4a67e2e0d
MD5 b98bf88592aaf0ebb256bc127a04fdeb
SHA1 67aa38fc48b4237b553c4c52d7d2fc8d9a75c48f
SHA512 3b7234e9645b0a9dfc05e2dee4c06ef8ad9baa9c782ecbfe3a9ae580d4ad65716a9634e50c399261f6ac59b2689193d2128a5cbf44cb1ca3d5a63a3dde48cf2b
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/3216-115-0x00000000736B0000-0x00000000736DE000-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 2256 wrote to memory of 3216	2256	rundll32.exe	25
PID 2256 wrote to memory of 3216	2256	rundll32.exe	25
PID 2256 wrote to memory of 3216	2256	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b98bf885_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b98bf885_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3216

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/3216-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/3216-117-0x0000000003300000-0x0000000003306000-memory.dmp