dridex | cd16be7f737c3c75c75d7eeccb84f0306ef95486bdb978619bef8b1db56f7292

Analysis

max time kernel
31s
max time network
111s
platform
windows10_x64
resource
win10v20210408
submitted
05/05/2021, 22:14

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General

Target
64b12ac8_by_Libranalysis.dll
Size 162KB
Sample210505-t5l5c6feca
SHA256 cd16be7f737c3c75c75d7eeccb84f0306ef95486bdb978619bef8b1db56f7292
MD5 64b12ac86b5793125683ccddeb291d8a
SHA1 44d357fa1dd3310acdc9e81b59b809f745c42bbe
SHA512 00388b82c27a25d3fc5e735e3aefb292a809412f3107932dab870301e6cc1cc36b4197ba8fc7dfe0d0d0fed29dd0ee42ed7863f9ee845e7c567f091a80b7d133
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/1600-115-0x0000000073530000-0x000000007355E000-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 4024 wrote to memory of 1600	4024	rundll32.exe	70
PID 4024 wrote to memory of 1600	4024	rundll32.exe	70
PID 4024 wrote to memory of 1600	4024	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64b12ac8_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\64b12ac8_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1600

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/1600-115-0x0000000073530000-0x000000007355E000-memory.dmp

Download

memory/1600-117-0x0000000000C60000-0x0000000000C66000-memory.dmp