dridex | e71907a82ea54da5853a551a816bdce8cdcf0f3f2333111e56e41c9cd835507e

Analysis

max time kernel
122s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 17:43

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General

Target
e71907a82ea54da5853a551a816bdce8cdcf0f3f2333111e56e41c9cd835507e.dll
Size 162KB
Sample210419-cpgz8bxww6
SHA256 e71907a82ea54da5853a551a816bdce8cdcf0f3f2333111e56e41c9cd835507e
MD5 6a6fa06ac3b579c861254d13607a470b
SHA1 f9060f266e39ba2e4ab909c857dc972f4dcff664
SHA512 b184a9755373daec2fa5c5f16d956dd254e9ed1d3affeef4ee4bf975b17b6daa379b3bba84f08186c8fee92629f246d759ccb459b2219691962f6d1c656f4f3c
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/3928-115-0x00000000739B0000-0x00000000739DE000-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 508 wrote to memory of 3928	508	rundll32.exe	70
PID 508 wrote to memory of 3928	508	rundll32.exe	70
PID 508 wrote to memory of 3928	508	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e71907a82ea54da5853a551a816bdce8cdcf0f3f2333111e56e41c9cd835507e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e71907a82ea54da5853a551a816bdce8cdcf0f3f2333111e56e41c9cd835507e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3928

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/3928-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Download

memory/3928-117-0x00000000006C0000-0x000000000080A000-memory.dmp