dridex | 03b2df9a9f40b4ed3c0a5870c49d7a43ef6803c38da86c3319a9579b1fc6b5a7

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 08:44

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General

Target

03b2df9a9f40b4ed3c0a5870c49d7a43ef6803c38da86c3319a9579b1fc6b5a7.dll
Size

158KB
MD5

1d19c1714076ca9e779cef5eb7098b6e
SHA1

ac98093c85f571bac54b06607e80d72945965f05
SHA256

03b2df9a9f40b4ed3c0a5870c49d7a43ef6803c38da86c3319a9579b1fc6b5a7
SHA512

8542bee380950842a41efceb4a448d903b3fc66f2eb889778d487243e33ccfb82b75855fa9148f705c6e9858e770b5977b68fee63514a2f9a6c6c8f8d302c882

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/2556-115-0x0000000074420000-0x000000007444D000-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 3212 wrote to memory of 2556	3212	rundll32.exe	rundll32.exe
PID 3212 wrote to memory of 2556	3212	rundll32.exe	rundll32.exe
PID 3212 wrote to memory of 2556	3212	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03b2df9a9f40b4ed3c0a5870c49d7a43ef6803c38da86c3319a9579b1fc6b5a7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3212

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03b2df9a9f40b4ed3c0a5870c49d7a43ef6803c38da86c3319a9579b1fc6b5a7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2556-114-0x0000000000000000-mapping.dmp

Download
memory/2556-115-0x0000000074420000-0x000000007444D000-memory.dmp

Filesize
180KB

Download
memory/2556-117-0x0000000002F60000-0x0000000002F66000-memory.dmp

Filesize
24KB

Download