dridex | fb3a3f8ff5c2e6014810546bff0a2e8264742dedbe82f52fd04a6a2c0b36476d

Analysis

max time kernel
25s
max time network
67s
platform
windows10_x64
resource
win10v20210408
submitted
15/04/2021, 10:10

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General

Target
fb3a3f8ff5c2e6014810546bff0a2e8264742dedbe82f52fd04a6a2c0b36476d.dll
Size 162KB
Sample210415-8swxldkxf2
SHA256 fb3a3f8ff5c2e6014810546bff0a2e8264742dedbe82f52fd04a6a2c0b36476d
MD5 4c6f2b43e9547c6feb3d24d60686abbd
SHA1 852e6e8b2d7fa61263ac6b3e729e516f889382fa
SHA512 7fca40f83e23662344dba71d8056184cb622ee4a9879a13bc1920ac12ae9af6ee913064d8a4922a18c0339f5aecb548710701c64a873647b237354dfebb81582
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/1376-116-0x0000000074160000-0x000000007418E000-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 908 wrote to memory of 1376	908	rundll32.exe	69
PID 908 wrote to memory of 1376	908	rundll32.exe	69
PID 908 wrote to memory of 1376	908	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb3a3f8ff5c2e6014810546bff0a2e8264742dedbe82f52fd04a6a2c0b36476d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb3a3f8ff5c2e6014810546bff0a2e8264742dedbe82f52fd04a6a2c0b36476d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1376

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/1376-115-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Download

memory/1376-116-0x0000000074160000-0x000000007418E000-memory.dmp