dridex | 5591fa1476374a6bf6ea3ef29bdc030ed7300a73ee34de5f847a24d39b6b03be

Analysis

max time kernel
135s
max time network
138s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 23:42

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General

Target
5591fa1476374a6bf6ea3ef29bdc030ed7300a73ee34de5f847a24d39b6b03be.dll
Size 162KB
Sample210419-m6xeec3q5a
SHA256 5591fa1476374a6bf6ea3ef29bdc030ed7300a73ee34de5f847a24d39b6b03be
MD5 be30233f0cb7765374682de274be4781
SHA1 aff08350deae410af3a7e09c7c5299afdc2c0364
SHA512 a5dfddefd5b4f66a9971b6abf8b60345fbdf4076a7670a6d4cb60c0974755e0fb89838bb16c96bf71a6c84281ead0b41c5958dfec7b0d8ec5a4d876437d4447d
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/744-115-0x00000000739B0000-0x00000000739DE000-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 3920 wrote to memory of 744	3920	rundll32.exe	70
PID 3920 wrote to memory of 744	3920	rundll32.exe	70
PID 3920 wrote to memory of 744	3920	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5591fa1476374a6bf6ea3ef29bdc030ed7300a73ee34de5f847a24d39b6b03be.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5591fa1476374a6bf6ea3ef29bdc030ed7300a73ee34de5f847a24d39b6b03be.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:744

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/744-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Download

memory/744-117-0x0000000000840000-0x0000000000846000-memory.dmp