dridex | c65243e51ddff712ffe22c8251980cb60c6b4d067074abe23695d2aeb7bf99f9

Analysis

max time kernel
91s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
11-06-2022 16:55

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General

Target

q9ypuhl3.dll
Size

576KB
MD5

029c4b7edb22ac490cb6579e01fc341b
SHA1

c8db490c03efd8de9d41d2bca72078a1bfa21e5d
SHA256

c65243e51ddff712ffe22c8251980cb60c6b4d067074abe23695d2aeb7bf99f9
SHA512

fc0bdab89e6f576a6bb0d1064a91c0094b35cb490c0d06a52032572d1e2bf00329fd74e86a46962432ce73dba46b52dfd60111ab3c564f99bc14a731826e1741

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

15 4112 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
15	4112	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 3040 wrote to memory of 4112	3040	rundll32.exe	rundll32.exe
PID 3040 wrote to memory of 4112	3040	rundll32.exe	rundll32.exe
PID 3040 wrote to memory of 4112	3040	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\q9ypuhl3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\q9ypuhl3.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4112

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/4112-130-0x0000000000000000-mapping.dmp

Download
memory/4112-131-0x00000000008D0000-0x000000000096A000-memory.dmp

Filesize
616KB

Download
memory/4112-133-0x00000000008D0000-0x000000000096A000-memory.dmp

Filesize
616KB

Download
memory/4112-132-0x00000000008D0000-0x000000000090D000-memory.dmp

Filesize
244KB

Download
memory/4112-135-0x00000000008D1000-0x000000000094A000-memory.dmp

Filesize
484KB

Download
memory/4112-137-0x00000000008D0000-0x000000000096A000-memory.dmp

Filesize
616KB

Download
memory/4112-138-0x00000000008D0000-0x000000000096A000-memory.dmp

Filesize
616KB

Download