dridex | 869ac1b8f7f4ec2ee0b637ec584e5c85560f550cbd08b1dfe1fae011218118ce

Analysis

max time kernel
25s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
07/05/2021, 18:02

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General

Target
d86a3aa3_by_Libranalysis.dll
Size 162KB
Sample210507-weak5vr4g2
SHA256 869ac1b8f7f4ec2ee0b637ec584e5c85560f550cbd08b1dfe1fae011218118ce
MD5 d86a3aa39cb3fb88481f06a1e50c43f7
SHA1 1cbe2b827ef061f1dffd61cce614d6d527a85e1f
SHA512 bb1fd7be8ea4e68a1e69253a7d76e8b3b9a8f67e043750178554cc91da5321253dbcae5a20ca371cedfee80616499fefeb1e5b9fe2eeb434ae27418839fa047a
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/3852-115-0x00000000742B0000-0x00000000742DE000-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 796 wrote to memory of 3852	796	rundll32.exe	50
PID 796 wrote to memory of 3852	796	rundll32.exe	50
PID 796 wrote to memory of 3852	796	rundll32.exe	50

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d86a3aa3_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d86a3aa3_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3852

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/3852-115-0x00000000742B0000-0x00000000742DE000-memory.dmp

Download

memory/3852-117-0x0000000003290000-0x0000000003296000-memory.dmp