dridex | 854500bd0550df072b93acd352216ac303a63f612761e538e52c5f198bd19775

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 23:37

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General

Target

854500bd0550df072b93acd352216ac303a63f612761e538e52c5f198bd19775.dll
Size

158KB
MD5

55591060ad17b484f79b89d494e97035
SHA1

4f890ce8d421a483b9d2ef5d1854b1c1d1046400
SHA256

854500bd0550df072b93acd352216ac303a63f612761e538e52c5f198bd19775
SHA512

06006d5430e0c16b667989eec5dd2d82f44fee05c2a390c3291e1e7a1ee1be48383ab53f5415c054d8b526902dd1b461f8fbe508a53aad8ca04b8fc642bf6dfd

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/3772-115-0x00000000739D0000-0x00000000739FD000-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 3908 wrote to memory of 3772	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 3772	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 3772	3908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\854500bd0550df072b93acd352216ac303a63f612761e538e52c5f198bd19775.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\854500bd0550df072b93acd352216ac303a63f612761e538e52c5f198bd19775.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3772

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/3772-114-0x0000000000000000-mapping.dmp

Download
memory/3772-115-0x00000000739D0000-0x00000000739FD000-memory.dmp

Filesize
180KB

Download
memory/3772-117-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

Filesize
24KB

Download