dridex | c45ff34ab8379a23a62e6af3c3893954d54f9b858d06b034860df07d36d63954

Analysis

max time kernel
48s
max time network
51s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:08

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General

Target

c45ff34ab8379a23a62e6af3c3893954d54f9b858d06b034860df07d36d63954.dll
Size

157KB
MD5

406c5803cae3700baa7ed0ad5343d9c2
SHA1

9325da42cba13fcf3deaea0d2e55b25925e86df9
SHA256

c45ff34ab8379a23a62e6af3c3893954d54f9b858d06b034860df07d36d63954
SHA512

03ab4c7e142156d8161f235418e874c49d794d952558072ffd219a9bf8f82e405972e1f1e861fa4d4dfce448613d43d6fc46b36236788e56907d01249f9b72fe

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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
behavioral1/memory/4444-115-0x0000000074290000-0x00000000742BD000-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 4432 wrote to memory of 4444	4432	rundll32.exe	rundll32.exe
PID 4432 wrote to memory of 4444	4432	rundll32.exe	rundll32.exe
PID 4432 wrote to memory of 4444	4432	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c45ff34ab8379a23a62e6af3c3893954d54f9b858d06b034860df07d36d63954.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4432

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c45ff34ab8379a23a62e6af3c3893954d54f9b858d06b034860df07d36d63954.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4444

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/4444-114-0x0000000000000000-mapping.dmp

Download
memory/4444-115-0x0000000074290000-0x00000000742BD000-memory.dmp

Filesize
180KB

Download
memory/4444-117-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download