dridex | 0d493087de634c70a569bc144c8bfbc54c01ba9e3f88cb04a4030db5143c4213

Analysis

max time kernel
125s
max time network
128s
platform
windows10_x64
resource
win10v20210408
submitted
19-04-2021 13:49

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General

Target

0d493087de634c70a569bc144c8bfbc54c01ba9e3f88cb04a4030db5143c4213.dll
Size

734KB
MD5

b8436c70543d3fc427ba86ff4494d16d
SHA1

65f0d5fb00faa2f32d140a8ff6ac8beea1a805d7
SHA256

0d493087de634c70a569bc144c8bfbc54c01ba9e3f88cb04a4030db5143c4213
SHA512

238a9ade8fe105449e8040e6fe11a4e82366c373926b3a01278820c363b2b4734e4557946040931561fcf6956616e6b0e98fdb1f22591860b89aa88496596834

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

146.185.170.249:443

62.75.251.60:6601

185.148.168.25:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/1440-116-0x0000000074260000-0x000000007433A000-memory.dmp	dridex_ldr
behavioral2/memory/1440-115-0x0000000074260000-0x000000007429D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

13 1440 rundll32.exe
15 1440 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
13	1440	rundll32.exe
15	1440	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 800 wrote to memory of 1440	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 1440	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 1440	800	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d493087de634c70a569bc144c8bfbc54c01ba9e3f88cb04a4030db5143c4213.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d493087de634c70a569bc144c8bfbc54c01ba9e3f88cb04a4030db5143c4213.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1440

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1440-114-0x0000000000000000-mapping.dmp

Download
memory/1440-116-0x0000000074260000-0x000000007433A000-memory.dmp

Filesize
872KB

Download
memory/1440-115-0x0000000074260000-0x000000007429D000-memory.dmp

Filesize
244KB

Download
memory/1440-179-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download