dridex | 5bc5e163eb9c79c7fec76b1adc04d74460bbd2d0897fdd76af282baa5b07b442

Analysis

max time kernel
142s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-12-2023 21:32

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General

Target

a6675792881b4b4d9376865e392579a7.dll
Size

664KB
MD5

a6675792881b4b4d9376865e392579a7
SHA1

cd349d7f23e7726cf41e9d7d211e4a21f065c884
SHA256

5bc5e163eb9c79c7fec76b1adc04d74460bbd2d0897fdd76af282baa5b07b442
SHA512

1a37a1b75c02c5bc7a21427df06a4d779741269e1d589bb2e90bf875f6ecbc364dfd0c7b95ee3af98c1cda4cc7bd11179ff4aa895bf3b6499817044f1b553778
SSDEEP

12288:A/0Qzqf0eui48+M+6TFKywVt6PbEYU0eyJTT/Mu9oV01ugoaEP:u0zhuZn6TFKywvCbEOxDMu9oykaEP

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

3 2060 rundll32.exe
5 2060 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
3	2060	rundll32.exe
5	2060	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 816 wrote to memory of 2060	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2060	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2060	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2060	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2060	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2060	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2060	816	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6675792881b4b4d9376865e392579a7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6675792881b4b4d9376865e392579a7.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2060

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/2060-0-0x0000000002030000-0x000000000216C000-memory.dmp

Filesize
1.2MB

Download
memory/2060-2-0x0000000002030000-0x000000000216C000-memory.dmp

Filesize
1.2MB

Download
memory/2060-3-0x0000000002030000-0x000000000216C000-memory.dmp

Filesize
1.2MB

Download
memory/2060-6-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2060-7-0x0000000002030000-0x000000000216C000-memory.dmp

Filesize
1.2MB

Download