dridex | a5df39ccf289ac5d3bad7d798719d8bf53dc3028bc213c2ba744ceabf7f451c7

Analysis

max time kernel
149s
max time network
150s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 21:05

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General

Target
4e772f72_by_Libranalysis.dll
Size 162KB
Sample210503-m1sl3dbtvx
SHA256 a5df39ccf289ac5d3bad7d798719d8bf53dc3028bc213c2ba744ceabf7f451c7
MD5 4e772f72d04045bef8df465faf57c444
SHA1 0cf48a455dcc5029aeaf6981691f90591ec67b0b
SHA512 9711a78ba71e7ce8ab254682a75fac591a3c831d7d0d849108b5021edbf64bae084e0da25a5ddaab028b98be1957b43661ad6cc6125bd2b0dca70bfeef85a016
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/3912-115-0x0000000073AA0000-0x0000000073ACE000-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 2016 wrote to memory of 3912	2016	rundll32.exe	71
PID 2016 wrote to memory of 3912	2016	rundll32.exe	71
PID 2016 wrote to memory of 3912	2016	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e772f72_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e772f72_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3912

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/3912-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

Download

memory/3912-117-0x0000000000D10000-0x0000000000E5A000-memory.dmp