dridex | 2aa9becd61dc4c8ed7211bb04a7c785fa5f972e24a276e66ed5ccb9c2db40f88

Analysis

max time kernel
19s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
21/04/2021, 10:24

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General

Target
2aa9becd61dc4c8ed7211bb04a7c785fa5f972e24a276e66ed5ccb9c2db40f88.dll
Size 162KB
Sample210421-9ys9ymmf52
SHA256 2aa9becd61dc4c8ed7211bb04a7c785fa5f972e24a276e66ed5ccb9c2db40f88
MD5 1a71ecc541f0c3468461984e7439d3d6
SHA1 756f4c7bfd536414bfae7d5f140c264c57838677
SHA512 5b5a8265d03e87f4824a510ce4959a19de47e438623357ce35419e77814d90c799971f47a46107cf596693a0dd84e54395332f628b80ced65f6def860eaeb1db
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/4448-115-0x0000000074290000-0x00000000742BE000-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 4432 wrote to memory of 4448	4432	rundll32.exe	69
PID 4432 wrote to memory of 4448	4432	rundll32.exe	69
PID 4432 wrote to memory of 4448	4432	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2aa9becd61dc4c8ed7211bb04a7c785fa5f972e24a276e66ed5ccb9c2db40f88.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2aa9becd61dc4c8ed7211bb04a7c785fa5f972e24a276e66ed5ccb9c2db40f88.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4448

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/4448-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Download

memory/4448-117-0x0000000002F20000-0x0000000002F26000-memory.dmp