dridex | fb272b985b4785b832e51fc80560e07d8feb565a4c2183f9366e6bdb5261382c

Analysis

max time kernel
20s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
23-06-2021 01:59

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General

Target

fb272b985b4785b832e51fc80560e07d8feb565a4c2183f9366e6bdb5261382c.dll
Size

158KB
MD5

15f8a30c60dc7fe6cb981a38321d0298
SHA1

1f939a16b3bffd0c7b57788eb6b89e40e8f0f726
SHA256

fb272b985b4785b832e51fc80560e07d8feb565a4c2183f9366e6bdb5261382c
SHA512

09be44a927891d6f7cbe30127225d9d7a182519ab3c39996390fd982d3afe77aa9442c0d55e06c0004a6dc8f4d88813158227b44ba4f17f97c475b9f47f98dcd

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/3624-115-0x0000000073EE0000-0x0000000073F0D000-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 1908 wrote to memory of 3624	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 3624	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 3624	1908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb272b985b4785b832e51fc80560e07d8feb565a4c2183f9366e6bdb5261382c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb272b985b4785b832e51fc80560e07d8feb565a4c2183f9366e6bdb5261382c.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3624

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/3624-114-0x0000000000000000-mapping.dmp

Download
memory/3624-115-0x0000000073EE0000-0x0000000073F0D000-memory.dmp

Filesize
180KB

Download
memory/3624-117-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download