dridex | a1828e4571b931cde04ebfe5daa698dac1500f9ff58d494b73d922d4aa567426

Analysis

max time kernel
26s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
18/04/2021, 17:29

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General

Target
a1828e4571b931cde04ebfe5daa698dac1500f9ff58d494b73d922d4aa567426.dll
Size 162KB
Sample210418-8nc64fyb2x
SHA256 a1828e4571b931cde04ebfe5daa698dac1500f9ff58d494b73d922d4aa567426
MD5 9bdb05838244421b6ab2adaead67d5dc
SHA1 5c725eef4de3370d35250bc9fbc24fe8cae28e4d
SHA512 a3779f7b949bd9d21049d6cdace132a13669ad9fc5dc30f7edd0d7877d9ef3aaff0879950465884cf3d72d7432a52eee9b56c5c394e456b7903558081e12ca2b
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/1456-115-0x00000000742C0000-0x00000000742EE000-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 672 wrote to memory of 1456	672	rundll32.exe	72
PID 672 wrote to memory of 1456	672	rundll32.exe	72
PID 672 wrote to memory of 1456	672	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1828e4571b931cde04ebfe5daa698dac1500f9ff58d494b73d922d4aa567426.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1828e4571b931cde04ebfe5daa698dac1500f9ff58d494b73d922d4aa567426.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1456

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/1456-115-0x00000000742C0000-0x00000000742EE000-memory.dmp

Download

memory/1456-117-0x0000000003430000-0x0000000003436000-memory.dmp