dridex | 3a695d2f7c31f9118a575f2fa6edc4dab8a125ef5dad82be131a5b4fc18376ba

Analysis

max time kernel
122s
max time network
127s
platform
windows10_x64
resource
win10v20210408
submitted
04/05/2021, 01:01

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General

Target
ef784536_by_Libranalysis.dll
Size 162KB
Sample210504-q2ctex3a12
SHA256 3a695d2f7c31f9118a575f2fa6edc4dab8a125ef5dad82be131a5b4fc18376ba
MD5 ef784536505b78dedd97cd76542deb00
SHA1 f36646d7f8b982ea0b8a85bbdfd4bb5ac1582480
SHA512 fc10a1f380b56088c621d68b0c1300ecafbc1aa425ba5e4339b58071ef336b25c3c97330832093924bb0867b5fd71fd8d6e756ff1737444c16d2dc498679a95f
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/1160-115-0x0000000074450000-0x000000007447E000-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 648 wrote to memory of 1160	648	rundll32.exe	72
PID 648 wrote to memory of 1160	648	rundll32.exe	72
PID 648 wrote to memory of 1160	648	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef784536_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef784536_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1160

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/1160-115-0x0000000074450000-0x000000007447E000-memory.dmp

Download

memory/1160-117-0x0000000000730000-0x0000000000736000-memory.dmp