dridex | 67e131ce47387210564c808733751980854059118af2c7e9c9ff6f69822c6b8c

Analysis

max time kernel
141s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
06-05-2024 17:28

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General

Target

u8efqt3ru.tar.dll
Size

664KB
MD5

b07bc09a37f656fd1b6c2c856975d3ac
SHA1

e22b1aef135bd130196c762ea07679e0b3325a46
SHA256

67e131ce47387210564c808733751980854059118af2c7e9c9ff6f69822c6b8c
SHA512

e01d70572e0d1622303f28325665288b263167b1ceff4fa9c0e3ff4da510045ddbb0f87546d2b0cf42dc9fda2af0a4441814ccc0e5a08a980742d2d593ad776d
SSDEEP

12288:e/0Qzqf0eAi48CM+6TFKywVt6PbEYU0eyJTT/Mu9oV01uQoaEP:E0zhAhn6TFKywvCbEOxDMu9oyYaEP

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 1 IoCs

Processes:

rundll32.exe

flow pid process

33 2396 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
33	2396	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 3320 wrote to memory of 2396	3320	rundll32.exe	rundll32.exe
PID 3320 wrote to memory of 2396	3320	rundll32.exe	rundll32.exe
PID 3320 wrote to memory of 2396	3320	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\u8efqt3ru.tar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3320

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\u8efqt3ru.tar.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2396

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2396-1-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2396-0-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2396-3-0x00000000004A2000-0x00000000004A8000-memory.dmp

Filesize
24KB

Download
memory/2396-4-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2396-5-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2396-6-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download