dridex | 8be247e4dbda8db138de456447985f969609a98720d84e451f8f534a00c4e323

Analysis

max time kernel
42s
max time network
50s
platform
windows10_x64
resource
win10v20210410
submitted
04-05-2021 14:26

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General

Target

8be247e4dbda8db138de456447985f969609a98720d84e451f8f534a00c4e323.dll
Size

162KB
MD5

ff13bd2d4de5086d5b74385e4850d6a3
SHA1

9b37aa5642fe9fb97442cdd9032c51e51f8c7282
SHA256

8be247e4dbda8db138de456447985f969609a98720d84e451f8f534a00c4e323
SHA512

703c9926c39754159e794f38c886e371df5036c905493537783ad7060bfc67b798251c7e9f7ccaa27a1449b842e282112bf5b75c67a8215786edee0a6b93fb9c

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

Processes:

resource	yara_rule
behavioral1/memory/3148-115-0x00000000736D0000-0x00000000736FE000-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 1892 wrote to memory of 3148	1892	rundll32.exe	rundll32.exe
PID 1892 wrote to memory of 3148	1892	rundll32.exe	rundll32.exe
PID 1892 wrote to memory of 3148	1892	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8be247e4dbda8db138de456447985f969609a98720d84e451f8f534a00c4e323.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1892

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8be247e4dbda8db138de456447985f969609a98720d84e451f8f534a00c4e323.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3148

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/3148-114-0x0000000000000000-mapping.dmp

Download
memory/3148-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Filesize
184KB

Download
memory/3148-117-0x0000000000B20000-0x0000000000C6A000-memory.dmp

Filesize
1.3MB

Download