dridex | aa14812db26d56c2de6ddeb2b27bf48a36e247afa704a60183c0264b4faa080b

Analysis

max time kernel
27s
max time network
35s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:01

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General

Target

aa14812db26d56c2de6ddeb2b27bf48a36e247afa704a60183c0264b4faa080b.dll
Size

157KB
MD5

2918c1f46946b6ed81f6b0ed7df6c8de
SHA1

9fbcbe51d9dc41b5f344b27cb096a9aea604a5ce
SHA256

aa14812db26d56c2de6ddeb2b27bf48a36e247afa704a60183c0264b4faa080b
SHA512

efad627e7bdfd125e0c5a9cc2c8f4cdf9aa2f512908c07fce07670b24c1d97e2241db44d8de525df992e86c03f4cfdf3493f046441a970cb81adf868cb984d2b

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/396-115-0x00000000744D0000-0x00000000744FD000-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 620 wrote to memory of 396	620	rundll32.exe	rundll32.exe
PID 620 wrote to memory of 396	620	rundll32.exe	rundll32.exe
PID 620 wrote to memory of 396	620	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa14812db26d56c2de6ddeb2b27bf48a36e247afa704a60183c0264b4faa080b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:620

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa14812db26d56c2de6ddeb2b27bf48a36e247afa704a60183c0264b4faa080b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:396

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/396-114-0x0000000000000000-mapping.dmp

Download
memory/396-115-0x00000000744D0000-0x00000000744FD000-memory.dmp

Filesize
180KB

Download
memory/396-117-0x0000000000860000-0x00000000009AA000-memory.dmp

Filesize
1.3MB

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