dridex | f9e61122916d5e1a6420a292a30b151b1db364777c77c2423d4cd7d9eac797c1

Analysis

max time kernel
28s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:18

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General

Target

f9e61122916d5e1a6420a292a30b151b1db364777c77c2423d4cd7d9eac797c1.dll
Size

154KB
MD5

5709f039504ad963b67b072e8847a6a8
SHA1

a113db691fb24eef3a6ff963493bb42c358d515e
SHA256

f9e61122916d5e1a6420a292a30b151b1db364777c77c2423d4cd7d9eac797c1
SHA512

4036563cbd02571c60496d6717ec3f75c6560f9ac3dfde45848e5b37a87537a7572c3a259395194ee18b27a16a753a94eaa7e9c7597bf55d234cd8279ed33cb8

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/1920-61-0x0000000075470000-0x000000007549D000-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 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9e61122916d5e1a6420a292a30b151b1db364777c77c2423d4cd7d9eac797c1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9e61122916d5e1a6420a292a30b151b1db364777c77c2423d4cd7d9eac797c1.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1920

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/1920-59-0x0000000000000000-mapping.dmp

Download
memory/1920-60-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/1920-61-0x0000000075470000-0x000000007549D000-memory.dmp

Filesize
180KB

Download
memory/1920-63-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download