dridex | f3c08f6d7f8ea4f3d2c516ab20ad17983a52eebb951e6ff4bbba581d366852f1

Analysis

max time kernel
67s
max time network
67s
platform
windows10_x64
resource
win10v20210408
submitted
15/04/2021, 19:28

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General

Target
f3c08f6d7f8ea4f3d2c516ab20ad17983a52eebb951e6ff4bbba581d366852f1.dll
Size 162KB
Sample210415-dx4a974fgn
SHA256 f3c08f6d7f8ea4f3d2c516ab20ad17983a52eebb951e6ff4bbba581d366852f1
MD5 29ed5554bfca00466a1c5ecd6914dda2
SHA1 da032475cbd124a85fbd13f48b26d32b5bd25345
SHA512 db222d2141ec57f5ab027d07065b8acd193108387f21b21d03ddb31da25e6aeb0d241173fb8f993294325e560c41c8f1a2f9dae518a33463fcc09e0208e5b6fe
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/1636-115-0x00000000738F0000-0x000000007391E000-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 856 wrote to memory of 1636	856	rundll32.exe	71
PID 856 wrote to memory of 1636	856	rundll32.exe	71
PID 856 wrote to memory of 1636	856	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3c08f6d7f8ea4f3d2c516ab20ad17983a52eebb951e6ff4bbba581d366852f1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3c08f6d7f8ea4f3d2c516ab20ad17983a52eebb951e6ff4bbba581d366852f1.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1636

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/1636-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Download

memory/1636-117-0x0000000000930000-0x0000000000936000-memory.dmp