dridex | 7b5a705a065fe058cc854a0de4ffa180164e531ddbe075f402be37baab780ea3

Analysis

max time kernel
98s
max time network
98s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 12:14

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General

Target

7b5a705a065fe058cc854a0de4ffa180164e531ddbe075f402be37baab780ea3.dll
Size

158KB
MD5

1b6d27917d7c5a4bb80424a219de1cb5
SHA1

b4483f7a6bc58ad982357a662fc3f5561221924d
SHA256

7b5a705a065fe058cc854a0de4ffa180164e531ddbe075f402be37baab780ea3
SHA512

e83e7562ed9df70ccbfcedc70fffac098a5c224192bf9e006923b40187c2fc26e94633590e6af5753a2e2bcf9169a011d9a44fa81f7077eb4ae2f6679c431ddd

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1032-115-0x0000000073ED0000-0x0000000073EFD000-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 852 wrote to memory of 1032	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1032	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1032	852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b5a705a065fe058cc854a0de4ffa180164e531ddbe075f402be37baab780ea3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b5a705a065fe058cc854a0de4ffa180164e531ddbe075f402be37baab780ea3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1032

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/1032-114-0x0000000000000000-mapping.dmp

Download
memory/1032-115-0x0000000073ED0000-0x0000000073EFD000-memory.dmp

Filesize
180KB

Download
memory/1032-117-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download