dridex | 5a974ba9cedb02bd2e4eac99bcfafc1a3cb8c42abd0be1d7e2dba8fd548f5460

Analysis

max time kernel
32s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:43

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General

Target

5a974ba9cedb02bd2e4eac99bcfafc1a3cb8c42abd0be1d7e2dba8fd548f5460.dll
Size

157KB
MD5

ccc57600de3c1d74e3411a08c846823c
SHA1

45d2d0554e2335e4569da2fc68c7bb2cb8e513bd
SHA256

5a974ba9cedb02bd2e4eac99bcfafc1a3cb8c42abd0be1d7e2dba8fd548f5460
SHA512

44f1e45ff58e7cf92183ad09671f3ce8fce6587b178173b3656bef7335a506b26eaa96f0d0f1897de754a2bfcd7dc2befb9e0979123c2b05f17695cd8e467352

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1516-61-0x0000000074930000-0x000000007495D000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1776 wrote to memory of 1516	1776	rundll32.exe	rundll32.exe
PID 1776 wrote to memory of 1516	1776	rundll32.exe	rundll32.exe
PID 1776 wrote to memory of 1516	1776	rundll32.exe	rundll32.exe
PID 1776 wrote to memory of 1516	1776	rundll32.exe	rundll32.exe
PID 1776 wrote to memory of 1516	1776	rundll32.exe	rundll32.exe
PID 1776 wrote to memory of 1516	1776	rundll32.exe	rundll32.exe
PID 1776 wrote to memory of 1516	1776	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a974ba9cedb02bd2e4eac99bcfafc1a3cb8c42abd0be1d7e2dba8fd548f5460.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a974ba9cedb02bd2e4eac99bcfafc1a3cb8c42abd0be1d7e2dba8fd548f5460.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1516

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/1516-59-0x0000000000000000-mapping.dmp

Download
memory/1516-60-0x0000000075C31000-0x0000000075C33000-memory.dmp

Filesize
8KB

Download
memory/1516-61-0x0000000074930000-0x000000007495D000-memory.dmp

Filesize
180KB

Download
memory/1516-63-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download