dridex | c209236632e40ebb907a7d288bf879bf81542cbdc4b2046ae45280c305fdc980

Analysis

max time kernel
139s
max time network
141s
platform
windows7_x64
resource
win7v20201028
submitted
19-11-2020 06:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

769784acd17b14c5f40c1e38be0ba02d.dll
Size

539KB
MD5

769784acd17b14c5f40c1e38be0ba02d
SHA1

c6f94ffc8720649e913e31b23c2f81dd9e1bb455
SHA256

c209236632e40ebb907a7d288bf879bf81542cbdc4b2046ae45280c305fdc980
SHA512

a571c37e8e4deb7f6bebd596ec89df7953032b49524217677639ff058ad26eb711c1e6b03380a359a2e19c2b2a7d69d13258a220f555b377ae33be77d410c978

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1900-1-0x0000000000350000-0x000000000038D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1900 rundll32.exe
7 1900 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	1900	rundll32.exe
7	1900	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 1704 wrote to memory of 1900	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1900	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1900	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1900	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1900	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1900	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1900	1704	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\769784acd17b14c5f40c1e38be0ba02d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\769784acd17b14c5f40c1e38be0ba02d.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1900

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

Loading Replay Monitor...

Downloads

memory/1324-2-0x000007FEF7C70000-0x000007FEF7EEA000-memory.dmp

Filesize
2.5MB

Download
memory/1900-0-0x0000000000000000-mapping.dmp

Download
memory/1900-1-0x0000000000350000-0x000000000038D000-memory.dmp

Filesize
244KB

Download