dridex | 21f22464bea22dc70e820bf5f694d7cedf23a42735a6f8e34d9f8850a3894ea3

Analysis

max time kernel
32s
max time network
19s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

21f22464bea22dc70e820bf5f694d7cedf23a42735a6f8e34d9f8850a3894ea3.dll
Size

154KB
MD5

a8c7704b40d743004ee116c777c2d161
SHA1

728ee0876475a6134199a44027afec057d280884
SHA256

21f22464bea22dc70e820bf5f694d7cedf23a42735a6f8e34d9f8850a3894ea3
SHA512

46e0b9916350abe8010473956d914a9476baec4ef83bc4d742032e1150fa96b514892597bc795ddccbfe42d82bd0c9d3751a8f4820bae534d5f27feae875613e

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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
behavioral1/memory/1328-62-0x0000000075000000-0x000000007502D000-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 1996 wrote to memory of 1328	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1328	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1328	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1328	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1328	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1328	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1328	1996	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21f22464bea22dc70e820bf5f694d7cedf23a42735a6f8e34d9f8850a3894ea3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21f22464bea22dc70e820bf5f694d7cedf23a42735a6f8e34d9f8850a3894ea3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1328

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/1328-60-0x0000000000000000-mapping.dmp

Download
memory/1328-61-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1328-62-0x0000000075000000-0x000000007502D000-memory.dmp

Filesize
180KB

Download
memory/1328-64-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download