dridex | 467715a4f055fdc0c8a835ee87a26b7afc294b21958959f438e90b9f8be2af8b

Analysis

max time kernel
115s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
17/04/2021, 16:30

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General

Target
467715a4f055fdc0c8a835ee87a26b7afc294b21958959f438e90b9f8be2af8b.dll
Size 162KB
Sample210417-hf4psyapgj
SHA256 467715a4f055fdc0c8a835ee87a26b7afc294b21958959f438e90b9f8be2af8b
MD5 fc73104c1e2cc0840ed6225086b592fb
SHA1 2546cdc9ef7d89e97d6456f051a88fbf8510fcf4
SHA512 93ffc5e365926ac8d5351bd042c5905dcfa8378cb6ef3c8b6b20ba7c90f2d21778114f88c7e804775fbe164a9d7f758fec6f74defa0743e8f1326d3c2b6dbe26
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/1248-115-0x0000000073C70000-0x0000000073C9E000-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 708 wrote to memory of 1248	708	rundll32.exe	69
PID 708 wrote to memory of 1248	708	rundll32.exe	69
PID 708 wrote to memory of 1248	708	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\467715a4f055fdc0c8a835ee87a26b7afc294b21958959f438e90b9f8be2af8b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\467715a4f055fdc0c8a835ee87a26b7afc294b21958959f438e90b9f8be2af8b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1248

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/1248-115-0x0000000073C70000-0x0000000073C9E000-memory.dmp

Download

memory/1248-117-0x0000000003290000-0x0000000003296000-memory.dmp