dridex | f66f571082d2d36435abd2e3e49a74fad0587c040628a3adc8c1790b6f4847fa

Analysis

max time kernel
18s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 10:41

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General

Target

f66f571082d2d36435abd2e3e49a74fad0587c040628a3adc8c1790b6f4847fa.dll
Size

158KB
MD5

7d10a75a1c50efa2a4804b522df691eb
SHA1

70b64dd081076100766058baf3182481b883695f
SHA256

f66f571082d2d36435abd2e3e49a74fad0587c040628a3adc8c1790b6f4847fa
SHA512

c3d2db9eb3ba1db860f954e085accd3e26162864df359bef079deaef0780e495dd2c5229eafbae1f69edd210a1b68cc2d5a4323895a5f9689b1c75d21bb7e4a4

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/4068-115-0x00000000755E0000-0x000000007560D000-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 3944 wrote to memory of 4068	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 4068	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 4068	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f66f571082d2d36435abd2e3e49a74fad0587c040628a3adc8c1790b6f4847fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f66f571082d2d36435abd2e3e49a74fad0587c040628a3adc8c1790b6f4847fa.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4068

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4068-114-0x0000000000000000-mapping.dmp

Download
memory/4068-115-0x00000000755E0000-0x000000007560D000-memory.dmp

Filesize
180KB

Download
memory/4068-117-0x00000000005F0000-0x000000000073A000-memory.dmp

Filesize
1.3MB

Download