dridex | 3b745550bf6918d879d573bf1e2e303eca922efa962fd3fff6032909e2a7dd0f

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 00:20

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General

Target
3b745550bf6918d879d573bf1e2e303eca922efa962fd3fff6032909e2a7dd0f.dll
Size 162KB
Sample210415-ryywp66agj
SHA256 3b745550bf6918d879d573bf1e2e303eca922efa962fd3fff6032909e2a7dd0f
MD5 0457ae4ad35eda231742e0c7ca9712b1
SHA1 534a5b1bf44c0f3a6fa5470ed3243a975c4d26b6
SHA512 013c34f0d6c78a351b15289f8139b79f16786e07c566546678289289c7d179b58f33ccbf6c4e027635c0da20f838baeba8c226b3bfaab4a4072b3c47142352b7
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/3600-115-0x0000000073B70000-0x0000000073B9E000-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 2112 wrote to memory of 3600	2112	rundll32.exe	70
PID 2112 wrote to memory of 3600	2112	rundll32.exe	70
PID 2112 wrote to memory of 3600	2112	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b745550bf6918d879d573bf1e2e303eca922efa962fd3fff6032909e2a7dd0f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b745550bf6918d879d573bf1e2e303eca922efa962fd3fff6032909e2a7dd0f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3600

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/3600-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/3600-117-0x0000000001120000-0x0000000001126000-memory.dmp