dridex | fc797bf08da17ce704eefa62d23bdce3f9ee3752a03deb8d5490ad3983b5fa28

Analysis

max time kernel
28s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 17:03

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General

Target

fc797bf08da17ce704eefa62d23bdce3f9ee3752a03deb8d5490ad3983b5fa28.dll
Size

162KB
MD5

f07b2ebbe035a3a10a341f290d643918
SHA1

4ec7a7d09901cc114a5c639385437c4fb236bb65
SHA256

fc797bf08da17ce704eefa62d23bdce3f9ee3752a03deb8d5490ad3983b5fa28
SHA512

d3f8e50f4955a1d76c54e1e4ce87c9172312d1a8d26f70715e0ab41bb8ccf11df9b5c17115c110e3372631af5393fe1f0b8461d66835a0d8d4eebb51883d7510

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/2020-62-0x0000000074FC0000-0x0000000074FEE000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 452 wrote to memory of 2020	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 2020	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 2020	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 2020	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 2020	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 2020	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 2020	452	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc797bf08da17ce704eefa62d23bdce3f9ee3752a03deb8d5490ad3983b5fa28.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc797bf08da17ce704eefa62d23bdce3f9ee3752a03deb8d5490ad3983b5fa28.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2020

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/2020-60-0x0000000000000000-mapping.dmp

Download
memory/2020-61-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download
memory/2020-62-0x0000000074FC0000-0x0000000074FEE000-memory.dmp

Filesize
184KB

Download
memory/2020-64-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download