dridex | 3b2c9bcb5013b06169df1feb3221e68c657ea876825013dff6591b4cd72de109

Analysis

max time kernel
136s
max time network
140s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:18

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General

Target

3b2c9bcb5013b06169df1feb3221e68c657ea876825013dff6591b4cd72de109.dll
Size

154KB
MD5

afb0c66f1d38f8ce5643aa72834c0132
SHA1

b1cf9625b2232797929b03e774ceacf3b0e4980d
SHA256

3b2c9bcb5013b06169df1feb3221e68c657ea876825013dff6591b4cd72de109
SHA512

b56a55ff82c16f8c8209137e62ac35ea14ca5da65fa1927a54dc12b5c6e7b7de8fa4a6377e586a9cc057a0ce0db6b1e35bc24a8c9a54bc6d7e97c78203a8b5dc

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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
behavioral2/memory/3300-115-0x0000000073B80000-0x0000000073BAD000-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 2188 wrote to memory of 3300	2188	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 3300	2188	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 3300	2188	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b2c9bcb5013b06169df1feb3221e68c657ea876825013dff6591b4cd72de109.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b2c9bcb5013b06169df1feb3221e68c657ea876825013dff6591b4cd72de109.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3300

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3300-114-0x0000000000000000-mapping.dmp

Download
memory/3300-115-0x0000000073B80000-0x0000000073BAD000-memory.dmp

Filesize
180KB

Download
memory/3300-117-0x0000000004910000-0x0000000004916000-memory.dmp

Filesize
24KB

Download