dridex | 1df3b5ea3c19340e8dcbc19b3389bff2c9e9240158696dd256dea09970b865dd

Analysis

max time kernel
27s
max time network
152s
platform
windows10_x64
resource
win10v20210408
submitted
22-06-2021 14:34

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General

Target

1df3b5ea3c19340e8dcbc19b3389bff2c9e9240158696dd256dea09970b865dd.dll
Size

158KB
MD5

199f539a97ea7f10aaab82afbf0ec711
SHA1

ae47db92642b3749e34a038b7889afff250ce44a
SHA256

1df3b5ea3c19340e8dcbc19b3389bff2c9e9240158696dd256dea09970b865dd
SHA512

da0ff20397b5df22052f1d4dfb414ec849e9dab27b28ae0c2b133c8ccaead4b434fb8ebb1e18f388263549ad1b8a463a32c9511fae6d0edc5da810934f674f5f

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/1776-115-0x0000000073D90000-0x0000000073DBD000-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 1776	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1776	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1776	808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1df3b5ea3c19340e8dcbc19b3389bff2c9e9240158696dd256dea09970b865dd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1df3b5ea3c19340e8dcbc19b3389bff2c9e9240158696dd256dea09970b865dd.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1776

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/1776-114-0x0000000000000000-mapping.dmp

Download
memory/1776-115-0x0000000073D90000-0x0000000073DBD000-memory.dmp

Filesize
180KB

Download
memory/1776-117-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download