dridex | 7bfb96dc40e2c16e8fac20707ee97ad4387f6d1904be3d8b87071c9e60b14f57

Analysis

max time kernel
35s
max time network
44s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:08

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General

Target

7bfb96dc40e2c16e8fac20707ee97ad4387f6d1904be3d8b87071c9e60b14f57.dll
Size

154KB
MD5

d079848c23f924968f263b03f9ac1eb3
SHA1

157ca0a25cef78fa722a6d0252b495ce9f740c6f
SHA256

7bfb96dc40e2c16e8fac20707ee97ad4387f6d1904be3d8b87071c9e60b14f57
SHA512

22551b044a9afb58f24d0b25831faf2dd1e841a527bf319e38aef9928c902bd4cf4916fc38d6bb1b21ba2eb48ce64b5dbc4fc8ec3555e61434c89d6ca1d1b14e

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/3324-115-0x0000000073560000-0x000000007358D000-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 3920 wrote to memory of 3324	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 3324	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 3324	3920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bfb96dc40e2c16e8fac20707ee97ad4387f6d1904be3d8b87071c9e60b14f57.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bfb96dc40e2c16e8fac20707ee97ad4387f6d1904be3d8b87071c9e60b14f57.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3324

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3324-114-0x0000000000000000-mapping.dmp

Download
memory/3324-115-0x0000000073560000-0x000000007358D000-memory.dmp

Filesize
180KB

Download
memory/3324-117-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download