dridex | 686d716c868932a4a23bac861b390853c4cff5580a0390e7df17b803239e0a9b

Analysis

max time kernel
40s
max time network
48s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:09

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General

Target

686d716c868932a4a23bac861b390853c4cff5580a0390e7df17b803239e0a9b.dll
Size

154KB
MD5

00241652bd6ffd38b0baf6c38fc9502a
SHA1

d69559bcd51d83ddd5765065a18e5d6f84043890
SHA256

686d716c868932a4a23bac861b390853c4cff5580a0390e7df17b803239e0a9b
SHA512

461e7a17a910fb14384769f88d1532d8b5d010102b1c45a589cc555031ecfe668e19f1ab2ae5ac7d6e4d96dc3c67c3e70ac43bbb4204e4e7974577d111fa4d13

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/3652-115-0x0000000073EE0000-0x0000000073F0D000-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 3232 wrote to memory of 3652	3232	rundll32.exe	rundll32.exe
PID 3232 wrote to memory of 3652	3232	rundll32.exe	rundll32.exe
PID 3232 wrote to memory of 3652	3232	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\686d716c868932a4a23bac861b390853c4cff5580a0390e7df17b803239e0a9b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3232

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\686d716c868932a4a23bac861b390853c4cff5580a0390e7df17b803239e0a9b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3652

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/3652-114-0x0000000000000000-mapping.dmp

Download
memory/3652-115-0x0000000073EE0000-0x0000000073F0D000-memory.dmp

Filesize
180KB

Download
memory/3652-117-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download