dridex | 97fc3b1e57abeb080445ef65cdf9b4ea822a14f8346d098c6790aa67e0327fc1

Analysis

max time kernel
22s
max time network
152s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 01:39

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General

Target

97fc3b1e57abeb080445ef65cdf9b4ea822a14f8346d098c6790aa67e0327fc1.dll
Size

158KB
MD5

6d3b25a4d0f258c83b0b4f2ee0e2a824
SHA1

08847ad56a4c518db06edbbb01f6b1a66aac73e1
SHA256

97fc3b1e57abeb080445ef65cdf9b4ea822a14f8346d098c6790aa67e0327fc1
SHA512

fbde623f9fa051c5a959f51b656adb7720196ee98288f94e39657039593da5087e97d122de78f40c8ffa575506275f81f7b951406a67d256358c2251e75f5191

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/3996-115-0x0000000073A70000-0x0000000073A9D000-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 1696 wrote to memory of 3996	1696	rundll32.exe	rundll32.exe
PID 1696 wrote to memory of 3996	1696	rundll32.exe	rundll32.exe
PID 1696 wrote to memory of 3996	1696	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\97fc3b1e57abeb080445ef65cdf9b4ea822a14f8346d098c6790aa67e0327fc1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\97fc3b1e57abeb080445ef65cdf9b4ea822a14f8346d098c6790aa67e0327fc1.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3996

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/3996-114-0x0000000000000000-mapping.dmp

Download
memory/3996-115-0x0000000073A70000-0x0000000073A9D000-memory.dmp

Filesize
180KB

Download
memory/3996-117-0x0000000002F30000-0x000000000307A000-memory.dmp

Filesize
1.3MB

Download