dridex | b51cef58a04323f4848f7c78158d8f54b6c585519fcd5c31411573e4e6cb00d3

Analysis

max time kernel
134s
max time network
135s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:18

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General

Target

b51cef58a04323f4848f7c78158d8f54b6c585519fcd5c31411573e4e6cb00d3.dll
Size

161KB
MD5

74f4904fc44423e091f75de4dc86ddcb
SHA1

88691e08c904de4369cd7140b2e8303564ca5467
SHA256

b51cef58a04323f4848f7c78158d8f54b6c585519fcd5c31411573e4e6cb00d3
SHA512

e15609fe156b028b31defa7e1b8ce41869de98c72a2b30887c5b560d0431194cbc6072336930661d0610f6e1e6527ec0b097b2890cd86bfda9adbc48aa7bd850

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/2008-63-0x0000000074600000-0x000000007462E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1608 wrote to memory of 2008	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2008	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2008	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2008	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2008	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2008	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2008	1608	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b51cef58a04323f4848f7c78158d8f54b6c585519fcd5c31411573e4e6cb00d3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b51cef58a04323f4848f7c78158d8f54b6c585519fcd5c31411573e4e6cb00d3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2008

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/2008-60-0x0000000000000000-mapping.dmp

Download
memory/2008-61-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/2008-62-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2008-63-0x0000000074600000-0x000000007462E000-memory.dmp

Filesize
184KB

Download