dridex | e57ed542e07e9ec8f9f24b0e18115d492ab6536d3a32efe9451f09e2efd1b91d

Analysis

max time kernel
24s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
08/05/2021, 00:02

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General

Target
4c641b83_by_Libranalysis.dll
Size 162KB
Sample210508-tmpgf6mg4x
SHA256 e57ed542e07e9ec8f9f24b0e18115d492ab6536d3a32efe9451f09e2efd1b91d
MD5 4c641b835b6175923bd2ab47bbefb0d4
SHA1 f31e10f1d9ae87b2309553d1ee0a174469186cdc
SHA512 136cc2b369434ee40dafd0d561922630ded5000a9336399edb837eb0cb3c57bdd4a8e74100a3fa8782182b15fdc1734f33ad60cc9228ba795271bf2c1f19ad9d
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/496-115-0x00000000755E0000-0x000000007560E000-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 3944 wrote to memory of 496	3944	rundll32.exe	69
PID 3944 wrote to memory of 496	3944	rundll32.exe	69
PID 3944 wrote to memory of 496	3944	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c641b83_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c641b83_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:496

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/496-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Download

memory/496-117-0x0000000003710000-0x0000000003716000-memory.dmp