dridex | 72b5db3f418c3775bda8492a76478294222a1aa52aa132a8c2384b6faa903501

Analysis

max time kernel
26s
max time network
114s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 12:04

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General

Target

1674c156_by_Libranalysis.dll
Size

158KB
MD5

1674c156bcb0840d06db42ec7a591951
SHA1

9345f6ac8065e2268173665387565029235d48a6
SHA256

72b5db3f418c3775bda8492a76478294222a1aa52aa132a8c2384b6faa903501
SHA512

7746ece2f1dce5f2e293ee5510e16a0f35a5f94eafe34fe84c351b8fa74c1c15e32ba6357ae4a8549d43321c226701e6bc03b43e1979bdd2cf40d34035897147

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/1960-62-0x00000000752C0000-0x00000000752ED000-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 1200 wrote to memory of 1960	1200	rundll32.exe	rundll32.exe
PID 1200 wrote to memory of 1960	1200	rundll32.exe	rundll32.exe
PID 1200 wrote to memory of 1960	1200	rundll32.exe	rundll32.exe
PID 1200 wrote to memory of 1960	1200	rundll32.exe	rundll32.exe
PID 1200 wrote to memory of 1960	1200	rundll32.exe	rundll32.exe
PID 1200 wrote to memory of 1960	1200	rundll32.exe	rundll32.exe
PID 1200 wrote to memory of 1960	1200	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1674c156_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1200

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1674c156_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1960

Network

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/1960-60-0x0000000000000000-mapping.dmp

Download
memory/1960-61-0x00000000768B1000-0x00000000768B3000-memory.dmp

Filesize
8KB

Download
memory/1960-62-0x00000000752C0000-0x00000000752ED000-memory.dmp

Filesize
180KB

Download
memory/1960-64-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download