dridex | 8679548a8d560d18ee1161f1dea6d1bccc28a07adc9cf7483e135ac2cfbf907e

Analysis

max time kernel
19s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
28-06-2021 10:15

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General

Target

8679548a8d560d18ee1161f1dea6d1bccc28a07adc9cf7483e135ac2cfbf907e.dll
Size

160KB
MD5

0e8f208e7302e552d9522ebd2a469f1c
SHA1

a6908bae791d0a667218b67eb6816d3c086ea95f
SHA256

8679548a8d560d18ee1161f1dea6d1bccc28a07adc9cf7483e135ac2cfbf907e
SHA512

25f75341fbf1a314a64e21e497eabb13a77cfb2514566d6d4135c195498c987c054ee0c877ac819cc961d18308614242e2716174749cadafda9fba1297cc5717

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

Processes:

resource	yara_rule
behavioral1/memory/4636-115-0x0000000074290000-0x00000000742BE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4436 wrote to memory of 4636	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4636	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4636	4436	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8679548a8d560d18ee1161f1dea6d1bccc28a07adc9cf7483e135ac2cfbf907e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8679548a8d560d18ee1161f1dea6d1bccc28a07adc9cf7483e135ac2cfbf907e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4636

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/4636-114-0x0000000000000000-mapping.dmp

Download
memory/4636-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Filesize
184KB

Download
memory/4636-117-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

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