dridex | 70f8df657a35289364542f26a0152ea4b92578ebb3e59785be31954e8a3aff9d

Analysis

max time kernel
126s
max time network
126s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 08:37

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General

Target
70f8df657a35289364542f26a0152ea4b92578ebb3e59785be31954e8a3aff9d.dll
Size 162KB
Sample210419-par7jz366a
SHA256 70f8df657a35289364542f26a0152ea4b92578ebb3e59785be31954e8a3aff9d
MD5 9f79c7fd48fedcd7f592e60c3f0db1ff
SHA1 05b979f69d565f8756cccbf6b1bdfced7afb72de
SHA512 008d07fd9e60880b43ff9cf1b329c2f3b686b9b02e140096eba7afc5b375054c36e291ff420217b827aa1a83595cb71fdb702141e3f633a1143746b8c2b33f43
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/356-115-0x0000000073FB0000-0x0000000073FDE000-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 640 wrote to memory of 356	640	rundll32.exe	68
PID 640 wrote to memory of 356	640	rundll32.exe	68
PID 640 wrote to memory of 356	640	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\70f8df657a35289364542f26a0152ea4b92578ebb3e59785be31954e8a3aff9d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\70f8df657a35289364542f26a0152ea4b92578ebb3e59785be31954e8a3aff9d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:356

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/356-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

Download

memory/356-117-0x0000000000B90000-0x0000000000B96000-memory.dmp