dridex | cf924e78923c7e3e7ef2aad3c236782d814431d7ad66f5d510a9254fcbe6b201

Analysis

max time kernel
112s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:07

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General

Target

cf924e78923c7e3e7ef2aad3c236782d814431d7ad66f5d510a9254fcbe6b201.dll
Size

154KB
MD5

2cbf8a0017db7d613c8ccbd8fcacbf8f
SHA1

ec6e08fa581ed2eabcd6b526a344e25cb69f4367
SHA256

cf924e78923c7e3e7ef2aad3c236782d814431d7ad66f5d510a9254fcbe6b201
SHA512

aaf0fc5be0b6160ef875fc19245c3c3ad119065515e87f281c8b0848ad6022ee3dfc7e49be7c62f963c836f508b2aa38c5b5769274fa6cf0ed67d2acdd6792e3

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/3292-115-0x0000000073660000-0x000000007368D000-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 4012 wrote to memory of 3292	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 3292	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 3292	4012	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf924e78923c7e3e7ef2aad3c236782d814431d7ad66f5d510a9254fcbe6b201.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf924e78923c7e3e7ef2aad3c236782d814431d7ad66f5d510a9254fcbe6b201.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3292

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/3292-114-0x0000000000000000-mapping.dmp

Download
memory/3292-115-0x0000000073660000-0x000000007368D000-memory.dmp

Filesize
180KB

Download
memory/3292-117-0x0000000004470000-0x0000000004476000-memory.dmp

Filesize
24KB

Download