dridex | 72828271bd884ff2b50ff4bfaa1b4bbbce6ff895e2fda9688c7537dd5458fe0c

Analysis

max time kernel
130s
max time network
131s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 17:03

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General

Target

72828271bd884ff2b50ff4bfaa1b4bbbce6ff895e2fda9688c7537dd5458fe0c.dll
Size

162KB
MD5

71a1a59409e15cf3450b5f58b21ad46f
SHA1

ec3281ba24b69e623587eb3b876e012898df5858
SHA256

72828271bd884ff2b50ff4bfaa1b4bbbce6ff895e2fda9688c7537dd5458fe0c
SHA512

5ae2d0d664bace2ae48edfabc802f1321841e7aa1c92c71cbe770524f567df5ed0d798920f645aff36bf263c9f66f6921fbc0adc7213b058e02d16ae9ee4fe3c

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
behavioral2/memory/348-115-0x00000000736B0000-0x00000000736DE000-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 3680 wrote to memory of 348	3680	rundll32.exe	rundll32.exe
PID 3680 wrote to memory of 348	3680	rundll32.exe	rundll32.exe
PID 3680 wrote to memory of 348	3680	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72828271bd884ff2b50ff4bfaa1b4bbbce6ff895e2fda9688c7537dd5458fe0c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72828271bd884ff2b50ff4bfaa1b4bbbce6ff895e2fda9688c7537dd5458fe0c.dll,#1
2⤵
- Checks whether UAC is enabled
PID:348

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/348-114-0x0000000000000000-mapping.dmp

Download
memory/348-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Filesize
184KB

Download
memory/348-117-0x0000000003050000-0x0000000003056000-memory.dmp

Filesize
24KB

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