dridex | 2dd32ac4e7dfe08edc43f658b5b01d723cfb4b4ac96c7732964d3935a4363f3e

Analysis

max time kernel
119s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:18

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General

Target

2dd32ac4e7dfe08edc43f658b5b01d723cfb4b4ac96c7732964d3935a4363f3e.dll
Size

157KB
MD5

31e21356adf2b6028cc54a9b073d0fbd
SHA1

9d5c8e3531a678008588e72fb87f355a9901fb86
SHA256

2dd32ac4e7dfe08edc43f658b5b01d723cfb4b4ac96c7732964d3935a4363f3e
SHA512

45cea39510204a1a3d1b58519bae4b8a1246b686e2b1e592c1116c8e9c7b7c696326cb68721bf598ff8182de2139a841c4c867e500afe5a95cd01fa2e15adb87

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/3544-115-0x0000000073660000-0x000000007368D000-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 1828 wrote to memory of 3544	1828	rundll32.exe	rundll32.exe
PID 1828 wrote to memory of 3544	1828	rundll32.exe	rundll32.exe
PID 1828 wrote to memory of 3544	1828	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2dd32ac4e7dfe08edc43f658b5b01d723cfb4b4ac96c7732964d3935a4363f3e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2dd32ac4e7dfe08edc43f658b5b01d723cfb4b4ac96c7732964d3935a4363f3e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3544

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/3544-114-0x0000000000000000-mapping.dmp

Download
memory/3544-115-0x0000000073660000-0x000000007368D000-memory.dmp

Filesize
180KB

Download
memory/3544-117-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download