dridex | 156588821255c1e6e9cca5199f5a8509ad4a9880cdd80b4f9e9a16e7a43d9415

Analysis

max time kernel
24s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 01:39

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General

Target

156588821255c1e6e9cca5199f5a8509ad4a9880cdd80b4f9e9a16e7a43d9415.dll
Size

158KB
MD5

f47b63645169af60fe2e5ca6ef0b74f4
SHA1

2078ac35232efb272b823f0723c959ef6b915365
SHA256

156588821255c1e6e9cca5199f5a8509ad4a9880cdd80b4f9e9a16e7a43d9415
SHA512

1b88b3e68ecc310e7b09f97f4a527413581fe81fb72a3be36b95c1eaa964f4cd696a8654d0a180fcb4fc39a247d819af92454d3a34f9b5afac8859eb4437134c

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/4876-115-0x0000000073880000-0x00000000738AD000-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 4804 wrote to memory of 4876	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4876	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4876	4804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156588821255c1e6e9cca5199f5a8509ad4a9880cdd80b4f9e9a16e7a43d9415.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156588821255c1e6e9cca5199f5a8509ad4a9880cdd80b4f9e9a16e7a43d9415.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4876

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/4876-114-0x0000000000000000-mapping.dmp

Download
memory/4876-115-0x0000000073880000-0x00000000738AD000-memory.dmp

Filesize
180KB

Download
memory/4876-117-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download