dridex | b79782d5cb1ab0a0c28ee2ada9dabd1dd45da6cba18b25234ce0d7fab7a13fb6

Analysis

max time kernel
31s
max time network
10s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:18

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General

Target

b79782d5cb1ab0a0c28ee2ada9dabd1dd45da6cba18b25234ce0d7fab7a13fb6.dll
Size

154KB
MD5

14c4ba48f22ac6497f65d56ae953adb5
SHA1

2c20959fc8ecdabbdd0bf56dfb21f9a47a0a3036
SHA256

b79782d5cb1ab0a0c28ee2ada9dabd1dd45da6cba18b25234ce0d7fab7a13fb6
SHA512

ee8d2a11db3fd5a3912fa8548bcc247b8d265337a13aa42a515c0d3501943fb6459c351128c1be0df1d8c8fd06b3ad2754f4b392e531eeea3ebcb87404ff30e6

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/1512-61-0x0000000075410000-0x000000007543D000-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 1864 wrote to memory of 1512	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1512	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1512	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1512	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1512	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1512	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1512	1864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b79782d5cb1ab0a0c28ee2ada9dabd1dd45da6cba18b25234ce0d7fab7a13fb6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b79782d5cb1ab0a0c28ee2ada9dabd1dd45da6cba18b25234ce0d7fab7a13fb6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1512

Network

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/1512-59-0x0000000000000000-mapping.dmp

Download
memory/1512-60-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download
memory/1512-61-0x0000000075410000-0x000000007543D000-memory.dmp

Filesize
180KB

Download
memory/1512-63-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download