dridex | b4c483b8d93b11d242aa0bf91252f3e1f9dacc00d579f653ed7befeeb60c84ae

Analysis

max time kernel
93s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
11-06-2022 16:28

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General

Target

dgul98n5x.dll
Size

576KB
MD5

67372146d65045c3c43144fa1eae5ba8
SHA1

d8bff1c5334cf253dfedb9d311b552a04b559159
SHA256

b4c483b8d93b11d242aa0bf91252f3e1f9dacc00d579f653ed7befeeb60c84ae
SHA512

d558ddc4d73c52fa92b584a263aab77e8e5762bd2c504a64b91157ac31985f10c582b08591792b8c0d90722db8f9d7af0bb9b5045877278e225ba3b950740d24

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.131:443

5.196.204.251:5037

192.99.41.136:981

24.229.3.146:4664

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

28 4380 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	4380	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 2380 wrote to memory of 4380	2380	rundll32.exe	rundll32.exe
PID 2380 wrote to memory of 4380	2380	rundll32.exe	rundll32.exe
PID 2380 wrote to memory of 4380	2380	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dgul98n5x.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dgul98n5x.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4380

Network

MITRE ATT&CK Enterprise v6

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/4380-130-0x0000000000000000-mapping.dmp

Download
memory/4380-132-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4380-131-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4380-134-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4380-135-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download