dridex | 03c36a9907a05fd74d29deae9bcd9ab28ad11d3a38e7e36ccc538be0c6b97cd3

Analysis

max time kernel
81s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 10:31

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General

Target
03c36a9907a05fd74d29deae9bcd9ab28ad11d3a38e7e36ccc538be0c6b97cd3.dll
Size 162KB
Sample210420-xw97fcklqa
SHA256 03c36a9907a05fd74d29deae9bcd9ab28ad11d3a38e7e36ccc538be0c6b97cd3
MD5 37e1df0dcd5bd48f8a5b231d8b750353
SHA1 215f52442a361c139c2fc9f5c86765d90a26a37c
SHA512 50732e507d2c5e597f61b8ec5cf6d7a14b659e3cfc11f3ff10a8469c7a9fa1478bff55b5cd87cbee1bf195fe876fde4c11bc0928609f2d7ec1630225a1e3a618
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral2/memory/3608-115-0x00000000739D0000-0x00000000739FE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 3608	3172	rundll32.exe	43
PID 3172 wrote to memory of 3608	3172	rundll32.exe	43
PID 3172 wrote to memory of 3608	3172	rundll32.exe	43

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03c36a9907a05fd74d29deae9bcd9ab28ad11d3a38e7e36ccc538be0c6b97cd3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\03c36a9907a05fd74d29deae9bcd9ab28ad11d3a38e7e36ccc538be0c6b97cd3.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3608

Network

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/3608-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Download

memory/3608-117-0x0000000000560000-0x0000000000566000-memory.dmp