dridex | fda4f7147678972fdad322443779b71f65b60a2e7e6fd6bbdb1a1d13f62dc8e5

Analysis

max time kernel
18s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 05:30

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General

Target

fda4f7147678972fdad322443779b71f65b60a2e7e6fd6bbdb1a1d13f62dc8e5.dll
Size

162KB
MD5

8e5be8c5b7a791f0ad089bed8807b96a
SHA1

9199219e064da449189adba8c80ea85c5b85f7a8
SHA256

fda4f7147678972fdad322443779b71f65b60a2e7e6fd6bbdb1a1d13f62dc8e5
SHA512

9a48ac0bb8a3d9fa3bfe2ff9bb017a99a5c07ba2898d31d273059cef9166306c88877b20ba5187b8235f998c20a16f6bc2685144a5ecc12e08f6d00c5d21969c

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/3920-115-0x00000000735D0000-0x00000000735FE000-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 1496 wrote to memory of 3920	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 3920	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 3920	1496	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fda4f7147678972fdad322443779b71f65b60a2e7e6fd6bbdb1a1d13f62dc8e5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fda4f7147678972fdad322443779b71f65b60a2e7e6fd6bbdb1a1d13f62dc8e5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3920

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/3920-114-0x0000000000000000-mapping.dmp

Download
memory/3920-115-0x00000000735D0000-0x00000000735FE000-memory.dmp

Filesize
184KB

Download
memory/3920-117-0x00000000033D0000-0x00000000033D6000-memory.dmp

Filesize
24KB

Download