dridex | b24385a611fd4f0cdff4e4da0997102a22784f8d9982ef768c49d33d2d750169

Analysis

max time kernel
28s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
05/05/2021, 09:05

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General

Target
5a24a4c0_by_Libranalysis.dll
Size 162KB
Sample210505-b8p2nnm326
SHA256 b24385a611fd4f0cdff4e4da0997102a22784f8d9982ef768c49d33d2d750169
MD5 5a24a4c0d5b8c817a6819c350969b082
SHA1 edeb53150646868dbba371840618b8c4b1194671
SHA512 fc7c2a01096184bfdcccb08780db8c79bb83e3157973d1ea9b774f59fb40d51c5013d00daada35763f96c73bcb0cb7b45b4e4e72c24df956d20922a9a7d03ea1
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/696-115-0x0000000073F20000-0x0000000073F4E000-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 4044 wrote to memory of 696	4044	rundll32.exe	69
PID 4044 wrote to memory of 696	4044	rundll32.exe	69
PID 4044 wrote to memory of 696	4044	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a24a4c0_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a24a4c0_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:696

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/696-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/696-117-0x0000000002E90000-0x0000000002E96000-memory.dmp