dridex | 057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7

Analysis

max time kernel
32s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 20:03

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General

Target

057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7.dll
Size

157KB
MD5

4c5c18d218fcf09098a28298e208a94d
SHA1

9390e6fa7b4e6bc30d1745f1e4af346437319773
SHA256

057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7
SHA512

a745883808e46ac8f777b87e939532b554fb3a5881d9fd896d479544e2f1e24861b021dc0f4e09c50857f1d690c7be9357f450f16bf8b4d365e01d7f70eda37c

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
behavioral2/memory/4900-115-0x0000000073880000-0x00000000738AD000-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 4900	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4900	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4900	4804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4900

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/4900-114-0x0000000000000000-mapping.dmp

Download
memory/4900-115-0x0000000073880000-0x00000000738AD000-memory.dmp

Filesize
180KB

Download
memory/4900-117-0x0000000004B20000-0x0000000004B26000-memory.dmp

Filesize
24KB

Download