dridex | 850297e4d339ca45902c9632bebdacd58e8dc45d08837e68c9cf3d0349289404

Analysis

max time kernel
119s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
16/04/2021, 13:54

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General

Target
850297e4d339ca45902c9632bebdacd58e8dc45d08837e68c9cf3d0349289404.dll
Size 162KB
Sample210416-ty45dxt4ra
SHA256 850297e4d339ca45902c9632bebdacd58e8dc45d08837e68c9cf3d0349289404
MD5 88377ab9175102423d06c46945140d58
SHA1 a4c90ae0d8cd70442fc2e01d48c49e1adca31e7d
SHA512 71970f826df6bfd91ea1a4f745802ff9521180b907911af35b59f02bec87603f71cfbc8c89c0dc76b7ebc93ff0325d87364198dd2be2f64753033a406ec7ec5f
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/4696-115-0x0000000074290000-0x00000000742BE000-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 4436 wrote to memory of 4696	4436	rundll32.exe	70
PID 4436 wrote to memory of 4696	4436	rundll32.exe	70
PID 4436 wrote to memory of 4696	4436	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\850297e4d339ca45902c9632bebdacd58e8dc45d08837e68c9cf3d0349289404.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\850297e4d339ca45902c9632bebdacd58e8dc45d08837e68c9cf3d0349289404.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4696

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/4696-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Download

memory/4696-117-0x0000000004BA0000-0x0000000004BA6000-memory.dmp