dridex | e8246204e47ae526122600f24140ff7de223e4e4765d9fbcfe5a6ef87767b437

Analysis

max time kernel
21s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 21:02

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General

Target
47d337bf_by_Libranalysis.dll
Size 162KB
Sample210503-aqcb495ezx
SHA256 e8246204e47ae526122600f24140ff7de223e4e4765d9fbcfe5a6ef87767b437
MD5 47d337bf52ca3e9a6f657ba9fe01ad4a
SHA1 dcfadf4e758d896edd6d7a4033e3895a26e12585
SHA512 f04ab7d516dcaa2f5a510a9a49da2aadfdf46e07744499d2c871647aedc0468216bb2e347d17b971ddaa1729693788294fa6e3fe52d2a0260778b4b2b393eb16
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/3232-115-0x0000000073B70000-0x0000000073B9E000-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 2112 wrote to memory of 3232	2112	rundll32.exe	71
PID 2112 wrote to memory of 3232	2112	rundll32.exe	71
PID 2112 wrote to memory of 3232	2112	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\47d337bf_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\47d337bf_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3232

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/3232-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/3232-117-0x0000000000A10000-0x0000000000A16000-memory.dmp