dridex | 7a0e498d5275096fc1bd2aee17ad2f9a72db3c9a2f674b2124c2d930fea003b7

Analysis

max time kernel
19s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
14/04/2021, 18:46

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General

Target
7a0e498d5275096fc1bd2aee17ad2f9a72db3c9a2f674b2124c2d930fea003b7.dll
Size 162KB
Sample210414-kkffnvbn82
SHA256 7a0e498d5275096fc1bd2aee17ad2f9a72db3c9a2f674b2124c2d930fea003b7
MD5 81aa5f8a55f49317f8a5204c6717d354
SHA1 9ff8dc48a5ac0d1ed41f70704df054e51a357dfb
SHA512 219f4cfab76aca7aa5a8233340f3db292870761d3b6ac840457ca2a1de3ab54bd7b05e879d688237e6ddfe23b87726e9afe27622dc289878ff3435e7bb9a4c90
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/3896-115-0x0000000073F20000-0x0000000073F4E000-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 3924 wrote to memory of 3896	3924	rundll32.exe	31
PID 3924 wrote to memory of 3896	3924	rundll32.exe	31
PID 3924 wrote to memory of 3896	3924	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a0e498d5275096fc1bd2aee17ad2f9a72db3c9a2f674b2124c2d930fea003b7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a0e498d5275096fc1bd2aee17ad2f9a72db3c9a2f674b2124c2d930fea003b7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3896

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/3896-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/3896-117-0x0000000000D50000-0x0000000000D56000-memory.dmp