dridex | 3e5f69a0d1f18c5151c4f7b8220b342b395e8bf50f5610c52651878646b9e1b8

Analysis

max time kernel
133s
max time network
156s
platform
windows10_x64
resource
win10v20210408
submitted
14-10-2021 07:03

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General

Target

3e5f69a0d1f18c5151c4f7b8220b342b395e8bf50f5610c52651878646b9e1b8.dll
Size

608KB
MD5

042418d3cc5d663658c0676fb46444fc
SHA1

d5afcb1186e599555abf7acbb2802b890355619b
SHA256

3e5f69a0d1f18c5151c4f7b8220b342b395e8bf50f5610c52651878646b9e1b8
SHA512

41b48ad4861f723aae00013fd65c7498817308c8a6d26070726b8f559e9b5406f975d1b5b71c6e4e6cebf6e90b6a5552b739d16c4834e3c39d90bdb8e89172d7

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

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

32 3008 rundll32.exe
34 3008 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
32	3008	rundll32.exe
34	3008	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 1916 wrote to memory of 3008	1916	rundll32.exe	rundll32.exe
PID 1916 wrote to memory of 3008	1916	rundll32.exe	rundll32.exe
PID 1916 wrote to memory of 3008	1916	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e5f69a0d1f18c5151c4f7b8220b342b395e8bf50f5610c52651878646b9e1b8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e5f69a0d1f18c5151c4f7b8220b342b395e8bf50f5610c52651878646b9e1b8.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3008

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

Replay Monitor

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Downloads

memory/3008-115-0x0000000000000000-mapping.dmp

Download
memory/3008-116-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3008-117-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3008-118-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3008-120-0x00000000031D0000-0x00000000031D1000-memory.dmp

Filesize
4KB

Download
memory/3008-121-0x00000000031D0000-0x00000000031D1000-memory.dmp

Filesize
4KB

Download
memory/3008-122-0x00000000031D0000-0x00000000031D1000-memory.dmp

Filesize
4KB

Download
memory/3008-240-0x00000000031C0000-0x00000000031C1000-memory.dmp

Filesize
4KB

Download