dridex | ba83c7c4e7caeaef07d63bef800e88ad1a07238afa25ec2d054e2c42a08e3cd1

Analysis

max time kernel
19s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
29-06-2021 09:47

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General

Target

ba83c7c4e7caeaef07d63bef800e88ad1a07238afa25ec2d054e2c42a08e3cd1.dll
Size

160KB
MD5

b310f6f9ee21a7ba3bc1152470e4c3b3
SHA1

46d8c7a7dfed8b5a2ddd9450bd48284c834fcfbf
SHA256

ba83c7c4e7caeaef07d63bef800e88ad1a07238afa25ec2d054e2c42a08e3cd1
SHA512

a9b0d8c98da63c0b121caff24a0c6e8570a98ef4fc5c1ffc7ee3acd4a2b5eb2851bf88a35718163316d272d46e1e0683b7e8958e5931298f90115a00c7562494

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3960-115-0x00000000742E0000-0x000000007430E000-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 3972 wrote to memory of 3960	3972	rundll32.exe	rundll32.exe
PID 3972 wrote to memory of 3960	3972	rundll32.exe	rundll32.exe
PID 3972 wrote to memory of 3960	3972	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba83c7c4e7caeaef07d63bef800e88ad1a07238afa25ec2d054e2c42a08e3cd1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba83c7c4e7caeaef07d63bef800e88ad1a07238afa25ec2d054e2c42a08e3cd1.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3960

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/3960-114-0x0000000000000000-mapping.dmp

Download
memory/3960-115-0x00000000742E0000-0x000000007430E000-memory.dmp

Filesize
184KB

Download
memory/3960-117-0x0000000002C10000-0x0000000002C16000-memory.dmp

Filesize
24KB

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