dridex | c28cf600f05b2b4b200319d0f89e5e3517d03bea0bdcd5897920f4e891137a32

Analysis

max time kernel
57s
max time network
60s
platform
windows10_x64
resource
win10v20210408
submitted
04-05-2021 14:38

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General

Target

c28cf600f05b2b4b200319d0f89e5e3517d03bea0bdcd5897920f4e891137a32.dll
Size

162KB
MD5

09bda93ff9e61ac02bc4f2dac4aec4dc
SHA1

4ec4f684177bd42dffbe6c8de194c7235251f3e1
SHA256

c28cf600f05b2b4b200319d0f89e5e3517d03bea0bdcd5897920f4e891137a32
SHA512

f992b408eddf416caeb79689b88e00988b67d092e53eb5c4b18fd1b80c2d3ec90176dc9f03d508acaa00693620433d63db8a44d69b4858ea4b97697ef272ee26

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/4848-115-0x0000000073880000-0x00000000738AE000-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 4808 wrote to memory of 4848	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 4848	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 4848	4808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c28cf600f05b2b4b200319d0f89e5e3517d03bea0bdcd5897920f4e891137a32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c28cf600f05b2b4b200319d0f89e5e3517d03bea0bdcd5897920f4e891137a32.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4848

Network

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/4848-114-0x0000000000000000-mapping.dmp

Download
memory/4848-115-0x0000000073880000-0x00000000738AE000-memory.dmp

Filesize
184KB

Download
memory/4848-117-0x00000000006E0000-0x000000000082A000-memory.dmp

Filesize
1.3MB

Download