dridex | 24275f73c8faf326ccfe1dff433841bd84a13af9d37bae065585cb8a05589968

Analysis

max time kernel
71s
max time network
80s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 05:42

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General

Target

kqgnyb.dll
Size

785KB
MD5

29517d23a58b39ee49f9b966eeb114a2
SHA1

ecb76eb685dce686ac2fb8d2a8a381a08dc540eb
SHA256

24275f73c8faf326ccfe1dff433841bd84a13af9d37bae065585cb8a05589968
SHA512

a9bd42d1448a35deaded45ca5e87fac381735dba7ef3dd67f239d7a24cf083d04ba3f32c5366149ffe71dd8d167a54fe6c01711d3233308f6c8065341c60aae5

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

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

4 916 rundll32.exe
6 916 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
4	916	rundll32.exe
6	916	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 784 wrote to memory of 916	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 916	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 916	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 916	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 916	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 916	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 916	784	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kqgnyb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kqgnyb.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:916

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/916-54-0x0000000000000000-mapping.dmp

Download
memory/916-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/916-57-0x0000000074460000-0x000000007457B000-memory.dmp

Filesize
1.1MB

Download
memory/916-56-0x0000000074460000-0x000000007449D000-memory.dmp

Filesize
244KB

Download
memory/916-59-0x0000000074460000-0x000000007457B000-memory.dmp

Filesize
1.1MB

Download