dridex | 40a1b18b90e9a541923bb425e0d94ed68a568d64c9ddc7c3de490afec543fffb

Analysis

max time kernel
20s
max time network
136s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 23:25

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General

Target

40a1b18b90e9a541923bb425e0d94ed68a568d64c9ddc7c3de490afec543fffb.dll
Size

160KB
MD5

2227147d5649a3336f8b87d2527583e9
SHA1

3a64aca5be508536298eb8a92b24caad7a5ba6aa
SHA256

40a1b18b90e9a541923bb425e0d94ed68a568d64c9ddc7c3de490afec543fffb
SHA512

1d584bd296ffd78fa5e59a76005af5dcc3e94401d94f2afcb0ec0d8864f9530d6c229bc70dfa2523171ef107c01204cc2443d040b5e558395743da91fb8531d6

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/3220-115-0x00000000736B0000-0x00000000736DE000-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 3680 wrote to memory of 3220	3680	rundll32.exe	rundll32.exe
PID 3680 wrote to memory of 3220	3680	rundll32.exe	rundll32.exe
PID 3680 wrote to memory of 3220	3680	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\40a1b18b90e9a541923bb425e0d94ed68a568d64c9ddc7c3de490afec543fffb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\40a1b18b90e9a541923bb425e0d94ed68a568d64c9ddc7c3de490afec543fffb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3220

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/3220-114-0x0000000000000000-mapping.dmp

Download
memory/3220-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Filesize
184KB

Download
memory/3220-117-0x0000000001000000-0x00000000010AE000-memory.dmp

Filesize
696KB

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