dridex | 598b3f719d289e2d8e76375b3725549146a7f52d25556cae61830f13fc39a817

Analysis

max time kernel
38s
max time network
46s
platform
windows10_x64
resource
win10v20210408
submitted
04-05-2021 15:03

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General

Target

598b3f719d289e2d8e76375b3725549146a7f52d25556cae61830f13fc39a817.dll
Size

158KB
MD5

c49ff8dfaef60c8857b158ec520cbd73
SHA1

862fee6c8aabe49e855571c7a7daeb9a70db6927
SHA256

598b3f719d289e2d8e76375b3725549146a7f52d25556cae61830f13fc39a817
SHA512

65ceefd6faed455b65b1c9ee6f4cd6dec8bf54be192688705ba63cad78b2c77935580b796436fdfc46a8a4a32965ab3dbeef3a398471512e2af8057cf46c2348

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/1204-115-0x0000000074160000-0x000000007418D000-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 904 wrote to memory of 1204	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1204	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1204	904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\598b3f719d289e2d8e76375b3725549146a7f52d25556cae61830f13fc39a817.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\598b3f719d289e2d8e76375b3725549146a7f52d25556cae61830f13fc39a817.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1204

Network

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/1204-114-0x0000000000000000-mapping.dmp

Download
memory/1204-115-0x0000000074160000-0x000000007418D000-memory.dmp

Filesize
180KB

Download
memory/1204-117-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download