dridex | a7c9ae7127026b4d7ac7f085c6a4d11153ae72aca65f33b04aed607ec96a0217

Analysis

max time kernel
28s
max time network
41s
platform
windows10_x64
resource
win10v20210408
submitted
14/05/2021, 10:02

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General

Target
2f7b546a_by_Libranalysis.dll
Size 162KB
Sample210514-l2l8latv4e
SHA256 a7c9ae7127026b4d7ac7f085c6a4d11153ae72aca65f33b04aed607ec96a0217
MD5 2f7b546a5657cd8b5e3a987aeba6cd5f
SHA1 1ceb35b3824faa8f58b71fa39904dff18881ef2c
SHA512 55caa2881b6e6e4b25b352e5666eca37e9b47a15790d78399ed13a1afa7df0a5639150b60843aab14e692339d87acf7eafe5c3f66532d267b0b6502535bfe3e8
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/1304-115-0x00000000744D0000-0x00000000744FE000-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 636 wrote to memory of 1304	636	rundll32.exe	70
PID 636 wrote to memory of 1304	636	rundll32.exe	70
PID 636 wrote to memory of 1304	636	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f7b546a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f7b546a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1304

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/1304-115-0x00000000744D0000-0x00000000744FE000-memory.dmp

Download

memory/1304-117-0x0000000000950000-0x0000000000956000-memory.dmp