dridex | f642db1b567891ee67a3de9a51f0755d8de4c1cae2a76b08fef24e9b33b79a7e

Analysis

max time kernel
122s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
17/05/2021, 01:02

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General

Target
6a099c63_by_Libranalysis.dll
Size 162KB
Sample210517-fsdcentemn
SHA256 f642db1b567891ee67a3de9a51f0755d8de4c1cae2a76b08fef24e9b33b79a7e
MD5 6a099c63afeff42e9fc1e40a84d3fdd0
SHA1 1b5bb82c54662a962e2ff837ff9d0b09db14d0b6
SHA512 aa1ba3c150d5fb86f95851b4737b98edf8eacc05bb397a1b047afa3d25ae82124e2b625f9a3289ce39313ed749ce54701f49a8db74838acf6e33105fff8d7d7c
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/4448-115-0x0000000074290000-0x00000000742BE000-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 4432 wrote to memory of 4448	4432	rundll32.exe	69
PID 4432 wrote to memory of 4448	4432	rundll32.exe	69
PID 4432 wrote to memory of 4448	4432	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a099c63_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a099c63_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4448

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/4448-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Download

memory/4448-117-0x0000000002F20000-0x0000000002F26000-memory.dmp