dridex | c62fcdf27246e9127688d753dfd5d5bd096ea9193ba6c26258cd74dc02565115

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 22:20

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General

Target

c62fcdf27246e9127688d753dfd5d5bd096ea9193ba6c26258cd74dc02565115.dll
Size

162KB
MD5

672a0f7eb8979bc939a4842b4d1579bc
SHA1

0ed4076b68fc2d41a19ae868128d92a8bb9116a3
SHA256

c62fcdf27246e9127688d753dfd5d5bd096ea9193ba6c26258cd74dc02565115
SHA512

3a7c831d8d338fd539271ff739233457adb19c415347a7d9fb2d8ea0f9b52e8cddf9208e66fb49eb26a3f7d11b77abf9dc642232801a2880c18afc40272eff3c

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/1892-115-0x0000000073660000-0x000000007368E000-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 4012 wrote to memory of 1892	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 1892	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 1892	4012	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c62fcdf27246e9127688d753dfd5d5bd096ea9193ba6c26258cd74dc02565115.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c62fcdf27246e9127688d753dfd5d5bd096ea9193ba6c26258cd74dc02565115.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1892

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/1892-114-0x0000000000000000-mapping.dmp

Download
memory/1892-115-0x0000000073660000-0x000000007368E000-memory.dmp

Filesize
184KB

Download
memory/1892-117-0x0000000003200000-0x000000000334A000-memory.dmp

Filesize
1.3MB

Download