dridex | 682adc61e063c7bbaef8651fb75fb2d498daf6b0cc2e4028828ea1791cf80583

Analysis

max time kernel
26s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:18

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General

Target

682adc61e063c7bbaef8651fb75fb2d498daf6b0cc2e4028828ea1791cf80583.dll
Size

154KB
MD5

b64ab8a7059f81eb037d27f67fdf07b9
SHA1

16575460725a3e5618ce082d811cbac1037bae9f
SHA256

682adc61e063c7bbaef8651fb75fb2d498daf6b0cc2e4028828ea1791cf80583
SHA512

27b0e2a96f70f5277cd8e62fad5a0dab05e2f4d4e79605a8cef12f9373d6d2bcce6349323ddf93d6e31e94c35685b879e0f321a54357a809de173b732a64f8a2

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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
behavioral2/memory/3888-115-0x0000000074090000-0x00000000740BD000-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 3952 wrote to memory of 3888	3952	rundll32.exe	rundll32.exe
PID 3952 wrote to memory of 3888	3952	rundll32.exe	rundll32.exe
PID 3952 wrote to memory of 3888	3952	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\682adc61e063c7bbaef8651fb75fb2d498daf6b0cc2e4028828ea1791cf80583.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\682adc61e063c7bbaef8651fb75fb2d498daf6b0cc2e4028828ea1791cf80583.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3888

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/3888-114-0x0000000000000000-mapping.dmp

Download
memory/3888-115-0x0000000074090000-0x00000000740BD000-memory.dmp

Filesize
180KB

Download
memory/3888-117-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download