dridex | ac8a40e537a58d993ff4ef43f9ab00b3cc16be18fb20761dff2af378969f976d

Analysis

max time kernel
20s
max time network
136s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 23:30

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General

Target

ac8a40e537a58d993ff4ef43f9ab00b3cc16be18fb20761dff2af378969f976d.dll
Size

158KB
MD5

3f2f71a3349242f4c8f9a8e2d0be46a9
SHA1

e1c6cfde7bc0ebabecf90ed5ffcfa4a95e3329f7
SHA256

ac8a40e537a58d993ff4ef43f9ab00b3cc16be18fb20761dff2af378969f976d
SHA512

79ccc85e0dddc66e1281f11e5b10535d4ba441a9e623864ddab013ef7061944fcae5c03e6f232832935c65271fd29a8474bed770d3f379124cc4431388c10215

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/4080-115-0x00000000755E0000-0x000000007560D000-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 4064 wrote to memory of 4080	4064	rundll32.exe	rundll32.exe
PID 4064 wrote to memory of 4080	4064	rundll32.exe	rundll32.exe
PID 4064 wrote to memory of 4080	4064	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac8a40e537a58d993ff4ef43f9ab00b3cc16be18fb20761dff2af378969f976d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4064

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac8a40e537a58d993ff4ef43f9ab00b3cc16be18fb20761dff2af378969f976d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4080

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/4080-114-0x0000000000000000-mapping.dmp

Download
memory/4080-115-0x00000000755E0000-0x000000007560D000-memory.dmp

Filesize
180KB

Download
memory/4080-117-0x0000000004BB0000-0x0000000004BB6000-memory.dmp

Filesize
24KB

Download