dridex | 3b9cae2ed359cc4f53242fe1b5b293843a8692b75265eb4336cda26efb20aaa6

Analysis

max time kernel
26s
max time network
136s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 15:11

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General

Target

3b9cae2ed359cc4f53242fe1b5b293843a8692b75265eb4336cda26efb20aaa6.dll
Size

158KB
MD5

9f2bbe031159162510e94ef522257164
SHA1

cf07b0c0d90c68e43624d51238eceb76f4528f08
SHA256

3b9cae2ed359cc4f53242fe1b5b293843a8692b75265eb4336cda26efb20aaa6
SHA512

851526dcd04c4f3fe282c3eb010719dfd365c2dd3c32a4e9d7ee53e889763a7d9a12f09f745a62e190fb4e6c72250d97b69f7847e8428329a593c7579c7db987

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/3952-115-0x0000000073620000-0x000000007364D000-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 580 wrote to memory of 3952	580	rundll32.exe	rundll32.exe
PID 580 wrote to memory of 3952	580	rundll32.exe	rundll32.exe
PID 580 wrote to memory of 3952	580	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b9cae2ed359cc4f53242fe1b5b293843a8692b75265eb4336cda26efb20aaa6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:580

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b9cae2ed359cc4f53242fe1b5b293843a8692b75265eb4336cda26efb20aaa6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3952

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/3952-114-0x0000000000000000-mapping.dmp

Download
memory/3952-115-0x0000000073620000-0x000000007364D000-memory.dmp

Filesize
180KB

Download
memory/3952-117-0x0000000002FB0000-0x0000000002FB6000-memory.dmp

Filesize
24KB

Download