dridex | 3440faf8686d03aa46facfa05516f5e676bab3d1f49365c9cd036b4d3a244c40

Analysis

max time kernel
38s
max time network
117s
platform
windows10_x64
resource
win10v20210408
submitted
15/04/2021, 19:46

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General

Target
3440faf8686d03aa46facfa05516f5e676bab3d1f49365c9cd036b4d3a244c40.dll
Size 162KB
Sample210415-bce5h2t4mx
SHA256 3440faf8686d03aa46facfa05516f5e676bab3d1f49365c9cd036b4d3a244c40
MD5 23eb02e85781ec0ac81712e0bcc3073d
SHA1 d7ff32b96dfd0b7be769e86bb48221c623798073
SHA512 e1975369fe4a74b911fe63dd200fdbfd3054c1d780bef3bfa59b78b30f3816b077e62ce362cd9985ffca25d64efa1d86fd125c55779a257b6c1d4022fd66cac7
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/1116-115-0x00000000735F0000-0x000000007361E000-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 596 wrote to memory of 1116	596	rundll32.exe	71
PID 596 wrote to memory of 1116	596	rundll32.exe	71
PID 596 wrote to memory of 1116	596	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3440faf8686d03aa46facfa05516f5e676bab3d1f49365c9cd036b4d3a244c40.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3440faf8686d03aa46facfa05516f5e676bab3d1f49365c9cd036b4d3a244c40.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1116

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/1116-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Download

memory/1116-117-0x0000000001160000-0x0000000001166000-memory.dmp