dridex | 1ad8659aed6685988f32b35668d5ba772f130bf51e8c553bc3a24d8af18a44ad

Analysis

max time kernel
143s
max time network
137s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20-12-2023 17:34

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General

Target

f8c5f5c795b1cfa9f61426fae6173509.dll
Size

620KB
MD5

f8c5f5c795b1cfa9f61426fae6173509
SHA1

06c55df23c9906a3287bf315879c70f946550710
SHA256

1ad8659aed6685988f32b35668d5ba772f130bf51e8c553bc3a24d8af18a44ad
SHA512

d72ad1c858614bdad00cdae311fec0dc9cb8955d91364cb7fd886ba14656991353eee54cfa46304ba4ed8c0dfcfb445ce1766f88c472adf2531588b5e4b06268
SSDEEP

12288:OE6rSia41bs3j09TMmonCh5atbz9+eoQoUZpDd7Da1nX9y1oO/zFZx:kesG3j0dMZnCutz4zI5xDwXUim

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 1816 rundll32.exe
5 1816 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	1816	rundll32.exe
5	1816	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 2256 wrote to memory of 1816	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 1816	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 1816	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 1816	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 1816	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 1816	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 1816	2256	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8c5f5c795b1cfa9f61426fae6173509.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8c5f5c795b1cfa9f61426fae6173509.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1816-0-0x00000000003C0000-0x00000000004F9000-memory.dmp

Filesize
1.2MB

Download
memory/1816-2-0x00000000003C0000-0x00000000004F9000-memory.dmp

Filesize
1.2MB

Download
memory/1816-4-0x00000000003C0000-0x00000000004F9000-memory.dmp

Filesize
1.2MB

Download
memory/1816-6-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1816-7-0x00000000003C0000-0x00000000004F9000-memory.dmp

Filesize
1.2MB

Download
memory/1816-10-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download