dridex | db259872b83fb76527b62740643dfda563e402f2b9d070d4a9128ab936612735

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 12:04

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General

Target

2200740b_by_Libranalysis.dll
Size

158KB
MD5

2200740bb391c3ba2f0f973c461c9e33
SHA1

8e706e70501188083ca6a130eaa4d7775837ccb1
SHA256

db259872b83fb76527b62740643dfda563e402f2b9d070d4a9128ab936612735
SHA512

4fce2ed668eca3374076cd1a2bb3f575f9962df57b8a1b0392b3c05224414d1b26dcae22e37f379645051c40fc473e12bfbe7b5a92907e1bc9d68e20ce748a8c

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/1504-62-0x0000000074750000-0x000000007477D000-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 1096 wrote to memory of 1504	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1504	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1504	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1504	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1504	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1504	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1504	1096	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2200740b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2200740b_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1504

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/1504-60-0x0000000000000000-mapping.dmp

Download
memory/1504-61-0x0000000075281000-0x0000000075283000-memory.dmp

Filesize
8KB

Download
memory/1504-62-0x0000000074750000-0x000000007477D000-memory.dmp

Filesize
180KB

Download
memory/1504-64-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download