dridex | fdc008204a4f3157b24fe663372427703cc66e2ab533ebc7171651db716f2607

Analysis

max time kernel
40s
max time network
15s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 13:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5b5f4990_by_Libranalysis.dll
Size

160KB
MD5

5b5f4990183bbf92e47f9fb3f7f9628a
SHA1

c2b310717486702c7a25542cca855e7c6d87ce51
SHA256

fdc008204a4f3157b24fe663372427703cc66e2ab533ebc7171651db716f2607
SHA512

4993cd9ba185581172a91350896e95637ac66beb60abe4a0a2defb3a1e0a63ce505b4262b64652bd9aec7828e3aee896aaddc4eaebc307a6ca66f314b116f90d

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1800-62-0x0000000074EF0000-0x0000000074F1E000-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 1076 wrote to memory of 1800	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1800	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1800	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1800	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1800	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1800	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1800	1076	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b5f4990_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b5f4990_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1800

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

Loading Replay Monitor...

Downloads

memory/1800-60-0x0000000000000000-mapping.dmp

Download
memory/1800-61-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/1800-62-0x0000000074EF0000-0x0000000074F1E000-memory.dmp

Filesize
184KB

Download
memory/1800-64-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download