dridex | 277cb2b2e4cf62cba500ede06d09acbc4e7dc9531a43c312d9adfc857119602d

Analysis

max time kernel
48s
max time network
60s
platform
windows10_x64
resource
win10v20210408
submitted
16/05/2021, 19:03

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General

Target
d76ad09a_by_Libranalysis.dll
Size 162KB
Sample210516-cqp2bf78b2
SHA256 277cb2b2e4cf62cba500ede06d09acbc4e7dc9531a43c312d9adfc857119602d
MD5 d76ad09a59395adcf5b24b3b89daf157
SHA1 dcc0582b3bc066eafd0c747f441225b6e96b452e
SHA512 74756d237e3304739d9301a2a95674f5639f46a927abc0c158c97fff0df3bce76dd13e9707f7e4b23b2fb1c76fbd6bc55b8ee1797f372d35b6de9caacc3a327c
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/4788-115-0x0000000073C30000-0x0000000073C5E000-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 4656 wrote to memory of 4788	4656	rundll32.exe	71
PID 4656 wrote to memory of 4788	4656	rundll32.exe	71
PID 4656 wrote to memory of 4788	4656	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d76ad09a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d76ad09a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4788

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/4788-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Download

memory/4788-117-0x0000000002800000-0x000000000294A000-memory.dmp