dridex | 3bb8bbf6570bb3552be11d6f15fc29c092dc0c6d3e6c777d5f78c9b935017f4e

Analysis

max time kernel
26s
max time network
65s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 06:10

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General

Target
3bb8bbf6570bb3552be11d6f15fc29c092dc0c6d3e6c777d5f78c9b935017f4e.dll
Size 162KB
Sample210419-dpp396enfs
SHA256 3bb8bbf6570bb3552be11d6f15fc29c092dc0c6d3e6c777d5f78c9b935017f4e
MD5 fd3a1124b556f91c9b8d2a9a23242813
SHA1 bbda202cd5b0e52f4b043c44a9601b334a6a3a74
SHA512 2974be3150cd8b46b385dc8e4ba7013616f11a689afb7748e3c77d04ab430783030042199914796878941f88f9d95c82b63e55e63d1b3d0a3aeed1807e11ac23
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/1016-115-0x00000000735F0000-0x000000007361E000-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 516 wrote to memory of 1016	516	rundll32.exe	69
PID 516 wrote to memory of 1016	516	rundll32.exe	69
PID 516 wrote to memory of 1016	516	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bb8bbf6570bb3552be11d6f15fc29c092dc0c6d3e6c777d5f78c9b935017f4e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bb8bbf6570bb3552be11d6f15fc29c092dc0c6d3e6c777d5f78c9b935017f4e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1016

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/1016-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Download

memory/1016-117-0x0000000000910000-0x0000000000916000-memory.dmp