dridex | 174ac3684e28b59dca83a4f9b7685da7ac9d929a881b99c7b91e35b415c1e062

Analysis

max time kernel
133s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 09:39

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General

Target
174ac3684e28b59dca83a4f9b7685da7ac9d929a881b99c7b91e35b415c1e062.dll
Size 162KB
Sample210419-s2d1tcsejs
SHA256 174ac3684e28b59dca83a4f9b7685da7ac9d929a881b99c7b91e35b415c1e062
MD5 f1bf488d6c8dc8ac02e5695b23635bfe
SHA1 1cce3ae3003c259054fb1478a523da3987f3ecd5
SHA512 50b71d02976fad2c2dba641abb754c592aaf90aa3f0eaa2f1177f843e25a459790d830f91ee31d5c7c111ec72aeac0bee2692ad457eee5b20d306da525ebc9e5
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/1124-115-0x0000000074300000-0x000000007432E000-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 624 wrote to memory of 1124	624	rundll32.exe	69
PID 624 wrote to memory of 1124	624	rundll32.exe	69
PID 624 wrote to memory of 1124	624	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\174ac3684e28b59dca83a4f9b7685da7ac9d929a881b99c7b91e35b415c1e062.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\174ac3684e28b59dca83a4f9b7685da7ac9d929a881b99c7b91e35b415c1e062.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1124

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/1124-115-0x0000000074300000-0x000000007432E000-memory.dmp

Download

memory/1124-117-0x0000000002930000-0x0000000002936000-memory.dmp