dridex | 3d52b564f6c53d8513ff734b356b5cef8745dc21c4ba1d6747ccbf0dea35f972

Analysis

max time kernel
40s
max time network
76s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:29

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General

Target

3d52b564f6c53d8513ff734b356b5cef8745dc21c4ba1d6747ccbf0dea35f972.dll
Size

162KB
MD5

f20104594e9c8e0cc959015c1decf716
SHA1

6a76579f8d7882ada5c669c084e7a6a9bfdc0802
SHA256

3d52b564f6c53d8513ff734b356b5cef8745dc21c4ba1d6747ccbf0dea35f972
SHA512

03ff0a238ad8e92dbdd024c8381ebffa12e05fa41c2b4a7ef5bf6ad7e432e01c6740b14c1777bc0b6534dc301dc516639b01a4134297df27bc579576f957dac1

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/1592-115-0x0000000074450000-0x000000007447E000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 656 wrote to memory of 1592	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1592	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1592	656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d52b564f6c53d8513ff734b356b5cef8745dc21c4ba1d6747ccbf0dea35f972.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d52b564f6c53d8513ff734b356b5cef8745dc21c4ba1d6747ccbf0dea35f972.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1592

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

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Downloads

memory/1592-114-0x0000000000000000-mapping.dmp

Download
memory/1592-115-0x0000000074450000-0x000000007447E000-memory.dmp

Filesize
184KB

Download
memory/1592-117-0x0000000000990000-0x0000000000996000-memory.dmp

Filesize
24KB

Download