dridex | 3cf3251fa59842f112867f9eb2f2781e4c977fecf66494ea0faf7bf7b5d6ec54

Analysis

max time kernel
27s
max time network
136s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 14:10

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General

Target

3cf3251fa59842f112867f9eb2f2781e4c977fecf66494ea0faf7bf7b5d6ec54.dll
Size

158KB
MD5

11c54632e55eb020193a519ea6d64ac7
SHA1

59e2d53ebb09badd75a252375fedfc9a727d42ad
SHA256

3cf3251fa59842f112867f9eb2f2781e4c977fecf66494ea0faf7bf7b5d6ec54
SHA512

bc72384f889bc0c38cdb622f7ed187051423ba6460f29a9ac92119d5e7fe96329e6fc3745457f22c994489a0a9140bb97f6c99d0b53641c6f48bd130fb8b004f

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/1200-115-0x0000000073D90000-0x0000000073DBD000-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 808 wrote to memory of 1200	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1200	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1200	808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cf3251fa59842f112867f9eb2f2781e4c977fecf66494ea0faf7bf7b5d6ec54.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cf3251fa59842f112867f9eb2f2781e4c977fecf66494ea0faf7bf7b5d6ec54.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1200

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/1200-114-0x0000000000000000-mapping.dmp

Download
memory/1200-115-0x0000000073D90000-0x0000000073DBD000-memory.dmp

Filesize
180KB

Download
memory/1200-117-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

Filesize
24KB

Download