dridex | 723bc7a3dfc2c59217284c8402be7ab123c1c484b15e4e224143ef43bc2a6bf6

Analysis

max time kernel
19s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 20:57

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General

Target

723bc7a3dfc2c59217284c8402be7ab123c1c484b15e4e224143ef43bc2a6bf6.dll
Size

158KB
MD5

46a0336b08a36f1d45fb896525cb0972
SHA1

6a183c968032d68fc6cb2076c388c7e84713c1e8
SHA256

723bc7a3dfc2c59217284c8402be7ab123c1c484b15e4e224143ef43bc2a6bf6
SHA512

1bf14d6543faf900a8b7c96b41e7f7e6b08085556473af34d30737255a861ff24157b2d204dc32957ea38dcb0cd1b4ce9141ee18fcca645e925fe2e671c6f75b

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/3516-115-0x0000000073860000-0x000000007388D000-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 2208 wrote to memory of 3516	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 3516	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 3516	2208	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\723bc7a3dfc2c59217284c8402be7ab123c1c484b15e4e224143ef43bc2a6bf6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\723bc7a3dfc2c59217284c8402be7ab123c1c484b15e4e224143ef43bc2a6bf6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3516-114-0x0000000000000000-mapping.dmp

Download
memory/3516-115-0x0000000073860000-0x000000007388D000-memory.dmp

Filesize
180KB

Download
memory/3516-117-0x0000000002A00000-0x0000000002B4A000-memory.dmp

Filesize
1.3MB

Download