dridex | 35892c478ffc76e1c30b341e4ab79f9257b55a7af0ad0c3d77ce04a6f22c4b9b

Analysis

max time kernel
134s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
18/04/2021, 21:32

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General

Target
35892c478ffc76e1c30b341e4ab79f9257b55a7af0ad0c3d77ce04a6f22c4b9b.dll
Size 162KB
Sample210418-e8dkxfcfha
SHA256 35892c478ffc76e1c30b341e4ab79f9257b55a7af0ad0c3d77ce04a6f22c4b9b
MD5 468bd51dc173f5e63b67a24ee24a9aaa
SHA1 e1170e2b22745ad962cab4de1fbc08c384e41dfc
SHA512 01c1c912df29fc1f9deae564af8ba5e7ee85ac39f3247c39b0f3d46993aadfad8bbee4887b1bfe246afd8187e9205e0927d5a7e5cc20ffe71a1019585d6a09d9
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/604-115-0x0000000074310000-0x000000007433E000-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 644 wrote to memory of 604	644	rundll32.exe	69
PID 644 wrote to memory of 604	644	rundll32.exe	69
PID 644 wrote to memory of 604	644	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35892c478ffc76e1c30b341e4ab79f9257b55a7af0ad0c3d77ce04a6f22c4b9b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\35892c478ffc76e1c30b341e4ab79f9257b55a7af0ad0c3d77ce04a6f22c4b9b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:604

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/604-115-0x0000000074310000-0x000000007433E000-memory.dmp

Download

memory/604-117-0x0000000002BE0000-0x0000000002BE6000-memory.dmp