dridex | 65c9a3da39b38eeaa728b00f69f89e6d4d71ea1023bfe6b3e4e750b5d6294494

Analysis

max time kernel
120s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
08/05/2021, 12:01

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General

Target
cf003a99_by_Libranalysis.dll
Size 162KB
Sample210508-89qpravafa
SHA256 65c9a3da39b38eeaa728b00f69f89e6d4d71ea1023bfe6b3e4e750b5d6294494
MD5 cf003a998c99841bd1ae03bc0b24e953
SHA1 9079a6f57e2ebae7b360278eb6fc6acbbfeb6b19
SHA512 3fb282e8fb9bfd623bfff6d32ba0f3fae099615115e4a01015bf47b1d1866ab58a8d81b527a6829e6e9c7a8ab36226e486154b46bac2682b50eff97e96b7fcb4
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/3748-115-0x00000000736B0000-0x00000000736DE000-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 3680 wrote to memory of 3748	3680	rundll32.exe	72
PID 3680 wrote to memory of 3748	3680	rundll32.exe	72
PID 3680 wrote to memory of 3748	3680	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf003a99_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf003a99_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3748

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/3748-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/3748-117-0x00000000009B0000-0x00000000009B6000-memory.dmp