dridex | 6cd3b282e7a50b0c1475f181c531e3615c05def27f7da231e1dac69dc04cf5a8

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 02:50

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General

Target

6cd3b282e7a50b0c1475f181c531e3615c05def27f7da231e1dac69dc04cf5a8.dll
Size

158KB
MD5

d3ff4f7712aa65834acf3deadf1257a3
SHA1

4329ae954c6d85a5f2fc9783aa833ec7419da49b
SHA256

6cd3b282e7a50b0c1475f181c531e3615c05def27f7da231e1dac69dc04cf5a8
SHA512

169db5820c0252adf539c1526841e1e0b891b91d58c0a32d17b657e996c357ef5401f8938c09e036727669112000b59256f5f7c96a2028258ef82f8dff77574a

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/2196-115-0x00000000739D0000-0x00000000739FD000-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 3904 wrote to memory of 2196	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 2196	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 2196	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd3b282e7a50b0c1475f181c531e3615c05def27f7da231e1dac69dc04cf5a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd3b282e7a50b0c1475f181c531e3615c05def27f7da231e1dac69dc04cf5a8.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2196

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/2196-114-0x0000000000000000-mapping.dmp

Download
memory/2196-115-0x00000000739D0000-0x00000000739FD000-memory.dmp

Filesize
180KB

Download
memory/2196-117-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

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