dridex | 298cf78a6b86a260a0a920206fb29244b192ff549655e1dc081ddbc5efd0b1a8

Analysis

max time kernel
49s
max time network
56s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:08

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General

Target

298cf78a6b86a260a0a920206fb29244b192ff549655e1dc081ddbc5efd0b1a8.dll
Size

157KB
MD5

ec4c772ef00274f38923f83485107f65
SHA1

07600e639756bf19ef0f645143f3deec2e90203d
SHA256

298cf78a6b86a260a0a920206fb29244b192ff549655e1dc081ddbc5efd0b1a8
SHA512

7a83b346adf69815258a6d6c2049a4574e47bb645e5480f194aa61ed6e1c8bb6c8b99a50a6ff0e34e1412798584fd3af83ff7d2c69ba6ab1ba0287115720ceae

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/4912-115-0x0000000073880000-0x00000000738AD000-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 4808 wrote to memory of 4912	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 4912	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 4912	4808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\298cf78a6b86a260a0a920206fb29244b192ff549655e1dc081ddbc5efd0b1a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\298cf78a6b86a260a0a920206fb29244b192ff549655e1dc081ddbc5efd0b1a8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4912

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/4912-114-0x0000000000000000-mapping.dmp

Download
memory/4912-115-0x0000000073880000-0x00000000738AD000-memory.dmp

Filesize
180KB

Download
memory/4912-117-0x0000000002F40000-0x0000000002F46000-memory.dmp

Filesize
24KB

Download