dridex | 05865b3f6c351e031582792fd5007df5e674b0a046dc7d0297d73e5e27929a42

Analysis

max time kernel
125s
max time network
129s
platform
windows10_x64
resource
win10-en-20210920
submitted
14-10-2021 07:03

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General

Target

05865b3f6c351e031582792fd5007df5e674b0a046dc7d0297d73e5e27929a42.dll
Size

608KB
MD5

9b7a0f7c600a870e78aa98fcf195779e
SHA1

9d95ae8a7fafde7dd48f706e0dbb4f2a0b7c6053
SHA256

05865b3f6c351e031582792fd5007df5e674b0a046dc7d0297d73e5e27929a42
SHA512

74f71cb76d7676f74ddb0cc0cba43871f4600061c77f3877b8e9aec412acf98c6c457f72d78db38f9a126a4a63b251dbb948ad831aebfe15dbdcef7677ec328e

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

28 2604 rundll32.exe
29 2604 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
28	2604	rundll32.exe
29	2604	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 1680 wrote to memory of 2604	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 2604	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 2604	1680	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05865b3f6c351e031582792fd5007df5e674b0a046dc7d0297d73e5e27929a42.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05865b3f6c351e031582792fd5007df5e674b0a046dc7d0297d73e5e27929a42.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2604

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/2604-115-0x0000000000000000-mapping.dmp

Download
memory/2604-116-0x0000000002A00000-0x0000000002B34000-memory.dmp

Filesize
1.2MB

Download
memory/2604-118-0x0000000002A00000-0x0000000002B34000-memory.dmp

Filesize
1.2MB

Download
memory/2604-119-0x0000000002A00000-0x0000000002A3D000-memory.dmp

Filesize
244KB

Download
memory/2604-120-0x0000000002A00000-0x0000000002B34000-memory.dmp

Filesize
1.2MB

Download
memory/2604-122-0x0000000002B40000-0x0000000002B41000-memory.dmp

Filesize
4KB

Download
memory/2604-123-0x0000000002B40000-0x0000000002B41000-memory.dmp

Filesize
4KB

Download
memory/2604-124-0x0000000002B40000-0x0000000002B41000-memory.dmp

Filesize
4KB

Download
memory/2604-291-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download