dridex | 5b098878e91a78af01c36d09061e1521a5f7d75a550921f8cdc6cac9fea45f77

Analysis

max time kernel
25s
max time network
77s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 08:05

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General

Target

5b098878e91a78af01c36d09061e1521a5f7d75a550921f8cdc6cac9fea45f77.dll
Size

158KB
MD5

cfc46343ec5cbb73ccb137f9d134f3d7
SHA1

574934479079b96584d6abcca7d4bbf6a5dbdd14
SHA256

5b098878e91a78af01c36d09061e1521a5f7d75a550921f8cdc6cac9fea45f77
SHA512

6a55bd79be804332a844f85a2c0743342fea9dd5cdcad7b14065e3bfd4e3b53cec5791ff48f891c236cf8cbd711551ed1d7674b5012614f41fe7a2b2d37aea4a

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

Processes:

resource	yara_rule
behavioral1/memory/836-115-0x00000000744D0000-0x00000000744FD000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 628 wrote to memory of 836	628	rundll32.exe	rundll32.exe
PID 628 wrote to memory of 836	628	rundll32.exe	rundll32.exe
PID 628 wrote to memory of 836	628	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b098878e91a78af01c36d09061e1521a5f7d75a550921f8cdc6cac9fea45f77.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b098878e91a78af01c36d09061e1521a5f7d75a550921f8cdc6cac9fea45f77.dll,#1
2⤵
- Checks whether UAC is enabled
PID:836

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/836-114-0x0000000000000000-mapping.dmp

Download
memory/836-115-0x00000000744D0000-0x00000000744FD000-memory.dmp

Filesize
180KB

Download
memory/836-117-0x0000000002E00000-0x0000000002EAE000-memory.dmp

Filesize
696KB

Download