dridex | 46b0ea621563462f79b55c0b956fe88d0089ef93d54a8f880667591c7fe0a90e

Analysis

max time kernel
147s
max time network
157s
platform
windows10_x64
resource
win10-en-20210920
submitted
14-10-2021 14:53

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General

Target

46b0ea621563462f79b55c0b956fe88d0089ef93d54a8f880667591c7fe0a90e.dll
Size

664KB
MD5

396a0cd04711b2e761be08f84cfd0ef4
SHA1

2f7f0300d9d011442861b699ce6ecb58fa8a6600
SHA256

46b0ea621563462f79b55c0b956fe88d0089ef93d54a8f880667591c7fe0a90e
SHA512

ca2b33765baadb32edfe472eedc5f2605be6fe6e7c8025d9ba622f8eede379feecf13dbd33b57648749fab549561b2d29ad5952d375908fd269d192f342f1a30

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

44 3484 rundll32.exe
46 3484 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
44	3484	rundll32.exe
46	3484	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 2468 wrote to memory of 3484	2468	rundll32.exe	rundll32.exe
PID 2468 wrote to memory of 3484	2468	rundll32.exe	rundll32.exe
PID 2468 wrote to memory of 3484	2468	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46b0ea621563462f79b55c0b956fe88d0089ef93d54a8f880667591c7fe0a90e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2468

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46b0ea621563462f79b55c0b956fe88d0089ef93d54a8f880667591c7fe0a90e.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3484

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3484-115-0x0000000000000000-mapping.dmp

Download
memory/3484-116-0x0000000004100000-0x000000000423C000-memory.dmp

Filesize
1.2MB

Download
memory/3484-118-0x0000000004100000-0x000000000423C000-memory.dmp

Filesize
1.2MB

Download
memory/3484-119-0x0000000004100000-0x000000000413D000-memory.dmp

Filesize
244KB

Download
memory/3484-120-0x0000000004100000-0x000000000423C000-memory.dmp

Filesize
1.2MB

Download
memory/3484-123-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/3484-122-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/3484-124-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/3484-489-0x0000000000600000-0x000000000074A000-memory.dmp

Filesize
1.3MB

Download