dridex | 1718966d91a317e8d16a0015e8f24c295f8ce978af37acef7cdbc9d76934c100

Analysis

max time kernel
25s
max time network
54s
platform
windows7_x64
resource
win7v20210410
submitted
27-07-2021 07:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

hsy_utu8_12u_v4.4.7.0 (3).dll
Size

175KB
MD5

63922c2487337188b76e721d86ba1a4f
SHA1

506aca93e90417e91bdf5cde5095aa07de62acae
SHA256

1718966d91a317e8d16a0015e8f24c295f8ce978af37acef7cdbc9d76934c100
SHA512

ccc538139a832b42f0eae3c368316080b6247493dbdff0b8d79660ed64520a312f3d01e2527cc71f8437816573a367f6fd5e0cbf16778dfa22b1d834b6759595

Score

10^/10

dridex 22201 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

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/2008-62-0x0000000074920000-0x0000000074950000-memory.dmp	dridex_ldr

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

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 1824 wrote to memory of 2008	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2008	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2008	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2008	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2008	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2008	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2008	1824	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\hsy_utu8_12u_v4.4.7.0 (3).dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\hsy_utu8_12u_v4.4.7.0 (3).dll",#1
2⤵
- Checks whether UAC is enabled
PID:2008

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2008-60-0x0000000000000000-mapping.dmp

Download
memory/2008-61-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/2008-62-0x0000000074920000-0x0000000074950000-memory.dmp

Filesize
192KB

Download
memory/2008-64-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download