dridex | db8e55ebb6e5e8107db3157a2c085c32721dcefbdf7d564781ad7a1495d0fe6c

Analysis

max time kernel
35s
max time network
151s
platform
windows10_x64
resource
win10v20201028
submitted
24-02-2021 23:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

db8e55ebb6e5e8107db3157a2c085c32721dcefbdf7d564781ad7a1495d0fe6c.dll
Size

188KB
MD5

cd5a5f2ef81e0f22b40dbf8b3a8747d8
SHA1

ece569992010b73fd7de10619dab489922043264
SHA256

db8e55ebb6e5e8107db3157a2c085c32721dcefbdf7d564781ad7a1495d0fe6c
SHA512

ffe3c4b499175af79a304f1b88527840cfdbacd5b7854b50be9ef087eac8b3c1a54c782a513870a31b17990c8b453128a8130bded487394b487d487193bdcc86

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

209.151.236.42:443

91.121.94.86:8172

5.189.144.136:6516

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/4780-3-0x0000000073890000-0x00000000738C1000-memory.dmp	dridex_ldr
behavioral2/memory/4780-5-0x0000000073890000-0x00000000738AF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

19 4780 rundll32.exe
21 4780 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
19	4780	rundll32.exe
21	4780	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 4692 wrote to memory of 4780	4692	rundll32.exe	rundll32.exe
PID 4692 wrote to memory of 4780	4692	rundll32.exe	rundll32.exe
PID 4692 wrote to memory of 4780	4692	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\db8e55ebb6e5e8107db3157a2c085c32721dcefbdf7d564781ad7a1495d0fe6c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4692

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\db8e55ebb6e5e8107db3157a2c085c32721dcefbdf7d564781ad7a1495d0fe6c.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4780

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/4780-2-0x0000000000000000-mapping.dmp

Download
memory/4780-3-0x0000000073890000-0x00000000738C1000-memory.dmp

Filesize
196KB

Download
memory/4780-4-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/4780-5-0x0000000073890000-0x00000000738AF000-memory.dmp

Filesize
124KB

Download