dridex | 424c7d2a24c7b67de567fda8b236b68cd12656be4053c00c522ab2179def4d3e

Analysis

max time kernel
30s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 02:01

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General

Target
773e1ed0_by_Libranalysis.dll
Size 162KB
Sample210503-d7d5h49dnj
SHA256 424c7d2a24c7b67de567fda8b236b68cd12656be4053c00c522ab2179def4d3e
MD5 773e1ed0d5a64af690cba7b1ea8830b6
SHA1 4289f41ef2467158ab92e98180f9b5020b9dd5ad
SHA512 f8892f3b65bc5e9036a98e1e6e1bc4485ab26d4e99e08e57bf4ee48cd4dfffca5a1b200f172c5ba2ad6383234ba0d22687244e5bd365c700eeea75e47a0caadd
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/3940-115-0x0000000074090000-0x00000000740BE000-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 3952 wrote to memory of 3940	3952	rundll32.exe	68
PID 3952 wrote to memory of 3940	3952	rundll32.exe	68
PID 3952 wrote to memory of 3940	3952	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\773e1ed0_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\773e1ed0_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3940

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/3940-115-0x0000000074090000-0x00000000740BE000-memory.dmp

Download

memory/3940-117-0x00000000007E0000-0x00000000007E6000-memory.dmp