dridex | 269cb92b769a15bbfb2170e9f6bc6a46816470714ad11281aa1cb39ad85ea319

Analysis

max time kernel
35s
max time network
75s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:43

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General

Target

269cb92b769a15bbfb2170e9f6bc6a46816470714ad11281aa1cb39ad85ea319.dll
Size

161KB
MD5

ce012b3336d5f56fa9616dfe82d396a6
SHA1

89adeabb780b182a4ea1c768bd5a917dd9de424e
SHA256

269cb92b769a15bbfb2170e9f6bc6a46816470714ad11281aa1cb39ad85ea319
SHA512

9597dc25266c753fa4e56969c374ddeb51c323691c3b0f691b74a0e92b70280031e5276482406effba119191346d0f81939aae5d5d913403ec9ecfe759180302

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/4720-115-0x0000000073C30000-0x0000000073C5E000-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 4660 wrote to memory of 4720	4660	rundll32.exe	rundll32.exe
PID 4660 wrote to memory of 4720	4660	rundll32.exe	rundll32.exe
PID 4660 wrote to memory of 4720	4660	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\269cb92b769a15bbfb2170e9f6bc6a46816470714ad11281aa1cb39ad85ea319.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4660

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\269cb92b769a15bbfb2170e9f6bc6a46816470714ad11281aa1cb39ad85ea319.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4720

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/4720-114-0x0000000000000000-mapping.dmp

Download
memory/4720-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Filesize
184KB

Download
memory/4720-117-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download