dridex | fa648f3db912983df6697c24af5e0273195b7c35888be6cb4b82f128c72251d6

Analysis

max time kernel
115s
max time network
116s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:44

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General

Target

fa648f3db912983df6697c24af5e0273195b7c35888be6cb4b82f128c72251d6.dll
Size

154KB
MD5

c283b405fcc1a21f18a2fb206a002bc3
SHA1

f3bbca5029122aa023ea507f13eefc8bf701e057
SHA256

fa648f3db912983df6697c24af5e0273195b7c35888be6cb4b82f128c72251d6
SHA512

b4e6b3cda39ddc0bbda4d09e3b15253c32a5949e5f73ef8efeab9e856e5d1cd8cf5db8edec500058478e6c99f1a5fb03872c08f0ac0e07c9d45f04057e4ce277

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/4776-115-0x0000000073C30000-0x0000000073C5D000-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 4656 wrote to memory of 4776	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4776	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4776	4656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa648f3db912983df6697c24af5e0273195b7c35888be6cb4b82f128c72251d6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa648f3db912983df6697c24af5e0273195b7c35888be6cb4b82f128c72251d6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4776

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/4776-114-0x0000000000000000-mapping.dmp

Download
memory/4776-115-0x0000000073C30000-0x0000000073C5D000-memory.dmp

Filesize
180KB

Download
memory/4776-117-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download