dridex | dc8fefd1dac8ed4258b4880b1bb870959342e9c8f9a977ad1913381afcfaacda

Analysis

max time kernel
20s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 03:03

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General

Target
dc8fefd1dac8ed4258b4880b1bb870959342e9c8f9a977ad1913381afcfaacda.dll
Size 158KB
Sample210419-razdth8b4e
SHA256 dc8fefd1dac8ed4258b4880b1bb870959342e9c8f9a977ad1913381afcfaacda
MD5 42af6e14a45fd1031d1434a85888122e
SHA1 38cece7faa0a46086e6cb397cff53b1f135f901a
SHA512 bd391474a776b5c258623229e4a37b144b95a19619c385335e1b06b2fef66854dc6bededa248af0f98741f11f5139f6a7903af8b2abbe6dc6100c8a185b16955
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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/3532-115-0x0000000073D70000-0x0000000073D9D000-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 3636 wrote to memory of 3532	3636	rundll32.exe	70
PID 3636 wrote to memory of 3532	3636	rundll32.exe	70
PID 3636 wrote to memory of 3532	3636	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc8fefd1dac8ed4258b4880b1bb870959342e9c8f9a977ad1913381afcfaacda.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc8fefd1dac8ed4258b4880b1bb870959342e9c8f9a977ad1913381afcfaacda.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3532

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/3532-115-0x0000000073D70000-0x0000000073D9D000-memory.dmp

Download

memory/3532-117-0x00000000007E0000-0x000000000092A000-memory.dmp