dridex | 3bc3f8c95efccb895acb303a4078bf2d711ed521d08a520715a979be81d805a7

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 08:25

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General

Target

3bc3f8c95efccb895acb303a4078bf2d711ed521d08a520715a979be81d805a7.dll
Size

158KB
MD5

4eac57694be64747f8a24bbfd058b2ea
SHA1

2f3827a4db2d11ea5ac4b5b4a4d05c7799c32c39
SHA256

3bc3f8c95efccb895acb303a4078bf2d711ed521d08a520715a979be81d805a7
SHA512

44bb62ca07320eb7638e05325455e944347ecdf9a58aa507b9699532b38a2d4af5ad1e36ae5d541d21a7539da1e2354de10dde747bc336b627d459b3f8314a64

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/3696-115-0x0000000073E80000-0x0000000073EAD000-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 2576 wrote to memory of 3696	2576	rundll32.exe	rundll32.exe
PID 2576 wrote to memory of 3696	2576	rundll32.exe	rundll32.exe
PID 2576 wrote to memory of 3696	2576	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bc3f8c95efccb895acb303a4078bf2d711ed521d08a520715a979be81d805a7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2576

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bc3f8c95efccb895acb303a4078bf2d711ed521d08a520715a979be81d805a7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3696

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/3696-114-0x0000000000000000-mapping.dmp

Download
memory/3696-115-0x0000000073E80000-0x0000000073EAD000-memory.dmp

Filesize
180KB

Download
memory/3696-117-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download