dridex | 7ac52f00c371b42238649758da38f23eab84b16352e3fbb77094a485c814cc8e

Analysis

max time kernel
134s
max time network
136s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 16:03

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General

Target

7ac52f00c371b42238649758da38f23eab84b16352e3fbb77094a485c814cc8e.dll
Size

162KB
MD5

20f8cd281fd1d88b083d11d94a5b9b54
SHA1

e75ae0ecc0ffb87e8d026e18cee8a95c930472d6
SHA256

7ac52f00c371b42238649758da38f23eab84b16352e3fbb77094a485c814cc8e
SHA512

23beae50b92234e3d3b796e7eed10ca033c8840b6b0895c4ab2d6a2ce113086365d71138b8643be2f1c3c56a1eb63afca33f5d2f5816c111a4ba0b0780c9c7bd

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/1260-62-0x0000000074760000-0x000000007478E000-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 1816 wrote to memory of 1260	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1260	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1260	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1260	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1260	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1260	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1260	1816	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7ac52f00c371b42238649758da38f23eab84b16352e3fbb77094a485c814cc8e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7ac52f00c371b42238649758da38f23eab84b16352e3fbb77094a485c814cc8e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1260

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/1260-60-0x0000000000000000-mapping.dmp

Download
memory/1260-61-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download
memory/1260-62-0x0000000074760000-0x000000007478E000-memory.dmp

Filesize
184KB

Download
memory/1260-64-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download