dridex | 7b984d7bb4cb0eff04ccdc2f2e5308faefd378b521748cd4efe7259a67375b94

Analysis

max time kernel
18s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 21:31

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General

Target

7b984d7bb4cb0eff04ccdc2f2e5308faefd378b521748cd4efe7259a67375b94.dll
Size

160KB
MD5

24d1f395658a9897ceb8e11b0ab01108
SHA1

74e694c29c8ad030aa115026d8649cb40d05ae38
SHA256

7b984d7bb4cb0eff04ccdc2f2e5308faefd378b521748cd4efe7259a67375b94
SHA512

48d405264019bef1570ad499dd1ca860efdb3ec81ade68f5280494c54ec1b95c18da31de2194b22666bf058ad2e06d28aaa473c6939801962162bc6c746c0486

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3976-115-0x00000000742B0000-0x00000000742DE000-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 3156 wrote to memory of 3976	3156	rundll32.exe	rundll32.exe
PID 3156 wrote to memory of 3976	3156	rundll32.exe	rundll32.exe
PID 3156 wrote to memory of 3976	3156	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b984d7bb4cb0eff04ccdc2f2e5308faefd378b521748cd4efe7259a67375b94.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3156

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b984d7bb4cb0eff04ccdc2f2e5308faefd378b521748cd4efe7259a67375b94.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3976

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/3976-114-0x0000000000000000-mapping.dmp

Download
memory/3976-115-0x00000000742B0000-0x00000000742DE000-memory.dmp

Filesize
184KB

Download
memory/3976-117-0x0000000002DB0000-0x0000000002EFA000-memory.dmp

Filesize
1.3MB

Download