dridex | 461980ec775e9843027a7d213a8e657910251fce3ee9d2b5f3a122aed275d1cc

Analysis

max time kernel
24s
max time network
75s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 22:30

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General

Target

461980ec775e9843027a7d213a8e657910251fce3ee9d2b5f3a122aed275d1cc.dll
Size

162KB
MD5

3d9d68ed8b12cd75f707d5dc330d7074
SHA1

b1f5eaffa2c296ddfa925ed52e3965b7da1c2f15
SHA256

461980ec775e9843027a7d213a8e657910251fce3ee9d2b5f3a122aed275d1cc
SHA512

60f7f118b8ae75370b810649a6e82f5fe92b2ad4d427de2a5620b77c443192d6db7dc28e4c469d6d28fcdb5e0db5f03109a56753d7acad6cb5b27bfb028b5972

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/4076-115-0x00000000755E0000-0x000000007560E000-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 3944 wrote to memory of 4076	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 4076	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 4076	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\461980ec775e9843027a7d213a8e657910251fce3ee9d2b5f3a122aed275d1cc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\461980ec775e9843027a7d213a8e657910251fce3ee9d2b5f3a122aed275d1cc.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4076

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/4076-114-0x0000000000000000-mapping.dmp

Download
memory/4076-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Filesize
184KB

Download
memory/4076-117-0x0000000000660000-0x00000000007AA000-memory.dmp

Filesize
1.3MB

Download