dridex | 7cfad8acd4d1cb71f9101b4e1aef77f1d79fc76e28b74728a56ffd5bf867fec0

Analysis

max time kernel
38s
max time network
46s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:08

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General

Target

7cfad8acd4d1cb71f9101b4e1aef77f1d79fc76e28b74728a56ffd5bf867fec0.dll
Size

154KB
MD5

8b32b035d5ff2f8f0e40e9c7d011a67f
SHA1

db32ab528c8437755650e7fdb5348d29ea861db2
SHA256

7cfad8acd4d1cb71f9101b4e1aef77f1d79fc76e28b74728a56ffd5bf867fec0
SHA512

82ef1104bdf30db78cc27abb6402b98d54b1c34608295ab8821a2c2993bb3e93a6938d242176d130082c79ac639728172fe4aec2b4e0fb82f29862e749b7e291

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/3848-115-0x00000000742B0000-0x00000000742DD000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3400 wrote to memory of 3848	3400	rundll32.exe	rundll32.exe
PID 3400 wrote to memory of 3848	3400	rundll32.exe	rundll32.exe
PID 3400 wrote to memory of 3848	3400	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7cfad8acd4d1cb71f9101b4e1aef77f1d79fc76e28b74728a56ffd5bf867fec0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7cfad8acd4d1cb71f9101b4e1aef77f1d79fc76e28b74728a56ffd5bf867fec0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3848

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/3848-114-0x0000000000000000-mapping.dmp

Download
memory/3848-115-0x00000000742B0000-0x00000000742DD000-memory.dmp

Filesize
180KB

Download
memory/3848-117-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

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