dridex | 51fab9bee41b454dfb76104ed9ca6c95e2c25859eb6ac9cd20c6b11ca5b8d602

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 03:13

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General

Target

51fab9bee41b454dfb76104ed9ca6c95e2c25859eb6ac9cd20c6b11ca5b8d602.dll
Size

162KB
MD5

5fd3ccf6a9075bd70b07e948e76d55cb
SHA1

799d1bbf274472954f38213a59051a116782eb57
SHA256

51fab9bee41b454dfb76104ed9ca6c95e2c25859eb6ac9cd20c6b11ca5b8d602
SHA512

6c9bc6c65ac5729c8b87c8d456c9b09662c3c29f70935b7182e4a33cb58c66e89f416a06a6da6f76f0dacbfd9d49cf81af20ec4d3eb65f63e7431902a706793c

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/4092-115-0x00000000735E0000-0x000000007360E000-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 3980 wrote to memory of 4092	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 4092	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 4092	3980	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\51fab9bee41b454dfb76104ed9ca6c95e2c25859eb6ac9cd20c6b11ca5b8d602.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\51fab9bee41b454dfb76104ed9ca6c95e2c25859eb6ac9cd20c6b11ca5b8d602.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4092

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/4092-114-0x0000000000000000-mapping.dmp

Download
memory/4092-115-0x00000000735E0000-0x000000007360E000-memory.dmp

Filesize
184KB

Download
memory/4092-117-0x0000000002C10000-0x0000000002C16000-memory.dmp

Filesize
24KB

Download