dridex | dc384459c069d5c50d5665448433d766975c280e69d8fcfdf2451508a660d945

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 16:31

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General

Target

dc384459c069d5c50d5665448433d766975c280e69d8fcfdf2451508a660d945.dll
Size

158KB
MD5

469f2b5426f48126f189a6948e19b917
SHA1

1f80713e2043b8cbe87faf046502443523662ea2
SHA256

dc384459c069d5c50d5665448433d766975c280e69d8fcfdf2451508a660d945
SHA512

4f4cd1538ec6d8b4f5d52028ca9dcda6587ba8429194c86ad37464023bbcaa63b152f056fa3370fdcdd547127f89b67d280d20fd6835fdee7f430f27c7b02b8d

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/2232-115-0x0000000073660000-0x000000007368D000-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 4092 wrote to memory of 2232	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 2232	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 2232	4092	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc384459c069d5c50d5665448433d766975c280e69d8fcfdf2451508a660d945.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc384459c069d5c50d5665448433d766975c280e69d8fcfdf2451508a660d945.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2232

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/2232-114-0x0000000000000000-mapping.dmp

Download
memory/2232-115-0x0000000073660000-0x000000007368D000-memory.dmp

Filesize
180KB

Download
memory/2232-117-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download