dridex | a91f5001585fea7a77d589f2641b262aa19497c6dbdb0c59bb417fcbb14411b7

Analysis

max time kernel
143s
max time network
146s
platform
windows10_x64
resource
win10v20210408
submitted
16/04/2021, 10:58

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General

Target
a91f5001585fea7a77d589f2641b262aa19497c6dbdb0c59bb417fcbb14411b7.dll
Size 162KB
Sample210416-7kkjkanfen
SHA256 a91f5001585fea7a77d589f2641b262aa19497c6dbdb0c59bb417fcbb14411b7
MD5 ce7b8c0e8f36da178b069f195e8765ac
SHA1 e12c22f93e5b143cbd5bf6975702af2ae7e18193
SHA512 3c167ce3693fdea63b9d29184054c2a5e06e783dc063e3ec60baa20298fa04de07f91c0a407000837082c6578c985fc1f03390858b6b8e64d5003e3096d97e09
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/1628-115-0x0000000074310000-0x000000007433E000-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 644 wrote to memory of 1628	644	rundll32.exe	71
PID 644 wrote to memory of 1628	644	rundll32.exe	71
PID 644 wrote to memory of 1628	644	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a91f5001585fea7a77d589f2641b262aa19497c6dbdb0c59bb417fcbb14411b7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a91f5001585fea7a77d589f2641b262aa19497c6dbdb0c59bb417fcbb14411b7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1628

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/1628-115-0x0000000074310000-0x000000007433E000-memory.dmp

Download

memory/1628-117-0x0000000000610000-0x00000000006BE000-memory.dmp