dridex | bbf1de26cd9eaf98825ee98d8a9758cc02d911d29d12df25351d89b9811cc963

Analysis

max time kernel
31s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 17:04

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General

Target

bbf1de26cd9eaf98825ee98d8a9758cc02d911d29d12df25351d89b9811cc963.dll
Size

162KB
MD5

770a5da239b414ab72c3a798976a4130
SHA1

28c8eaad0918262184f150659d0cbf95306a6308
SHA256

bbf1de26cd9eaf98825ee98d8a9758cc02d911d29d12df25351d89b9811cc963
SHA512

197287e3560027ffa195ff81b6b133365901d80376a418c01cf0985dfcfffe6c50dcabb0d9ee7910e4503074928e0ee66af7335c901c006240e2226fdf59b2a6

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/1860-61-0x0000000074710000-0x000000007473E000-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 484 wrote to memory of 1860	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1860	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1860	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1860	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1860	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1860	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1860	484	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bbf1de26cd9eaf98825ee98d8a9758cc02d911d29d12df25351d89b9811cc963.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:484

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bbf1de26cd9eaf98825ee98d8a9758cc02d911d29d12df25351d89b9811cc963.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1860

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/1860-59-0x0000000000000000-mapping.dmp

Download
memory/1860-60-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/1860-61-0x0000000074710000-0x000000007473E000-memory.dmp

Filesize
184KB

Download
memory/1860-63-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download