dridex | 51a6358624d0cc0ceb023e2931f10dc31a6a41bd46ce01397ee73fd6b74af933

Analysis

max time kernel
121s
max time network
150s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 20:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

51a6358624d0cc0ceb023e2931f10dc31a6a41bd46ce01397ee73fd6b74af933.dll
Size

180KB
MD5

a3a5924e4c87c69d14c2502875416ba6
SHA1

e013418472d02fd7b06b0acd0dceae6f864637f3
SHA256

51a6358624d0cc0ceb023e2931f10dc31a6a41bd46ce01397ee73fd6b74af933
SHA512

6f91c4d669945f8b6af48007fd26984b31533f7a59a4ac01d2982151731e82a00cf95d6750f9d5aa09a161cd4b91a34987df886e02a52f013f8b7f3699f7d297

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

212.237.17.99:443

176.28.17.160:6602

51.254.140.238:8333

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/2828-116-0x0000000073530000-0x000000007355F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2308 2828 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2308	2828	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe
2308	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2308 WerFault.exe
Token: SeBackupPrivilege 2308 WerFault.exe
Token: SeDebugPrivilege 2308 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2308	WerFault.exe
Token: SeBackupPrivilege	2308	WerFault.exe
Token: SeDebugPrivilege	2308	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2804 wrote to memory of 2828	2804	rundll32.exe	rundll32.exe
PID 2804 wrote to memory of 2828	2804	rundll32.exe	rundll32.exe
PID 2804 wrote to memory of 2828	2804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\51a6358624d0cc0ceb023e2931f10dc31a6a41bd46ce01397ee73fd6b74af933.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\51a6358624d0cc0ceb023e2931f10dc31a6a41bd46ce01397ee73fd6b74af933.dll,#1
2⤵
PID:2828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 620
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2308

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2828-115-0x0000000000000000-mapping.dmp

Download
memory/2828-116-0x0000000073530000-0x000000007355F000-memory.dmp

Filesize
188KB

Download
memory/2828-118-0x0000000000940000-0x0000000000A8A000-memory.dmp

Filesize
1.3MB

Download