dridex | c9e54f20cea5e536b7ce5f5c0a53a04cd1a2ea61b20f90c4cb6336712d65a823

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 07:33

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General

Target

c9e54f20cea5e536b7ce5f5c0a53a04cd1a2ea61b20f90c4cb6336712d65a823.dll
Size

162KB
MD5

7ff4159bcf0296d8fbf5ee2fb3bb8d4d
SHA1

74c2840f39c920bff4c20a6e7258d7c37ccad6ff
SHA256

c9e54f20cea5e536b7ce5f5c0a53a04cd1a2ea61b20f90c4cb6336712d65a823
SHA512

6120c47d7ee077e8b7ea4cb9defac0a7dc21cf907f0ee5bc4ff4f40c36d5e9c7ace551a1a0d0f5b410400b8fad5c53d890928c648a00597b9b5c529b8b681654

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/3204-115-0x00000000739D0000-0x00000000739FE000-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 1736 wrote to memory of 3204	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3204	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3204	1736	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9e54f20cea5e536b7ce5f5c0a53a04cd1a2ea61b20f90c4cb6336712d65a823.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9e54f20cea5e536b7ce5f5c0a53a04cd1a2ea61b20f90c4cb6336712d65a823.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3204

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/3204-114-0x0000000000000000-mapping.dmp

Download
memory/3204-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Filesize
184KB

Download
memory/3204-117-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

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