dridex | 9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4

Analysis

max time kernel
41s
max time network
9s
platform
windows7_x64
resource
win7v20210410
submitted
20-04-2021 09:48

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General

Target

9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4.dll
Size

1.1MB
MD5

9d6228117a677fcc222206166e0cf34e
SHA1

56e1cddea321ebbba17af9d64cdffcf443704a51
SHA256

9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4
SHA512

f98b1da574267a66ce7c890b6b53af0479f5aeeba0fa37515eeecb609723e062bd1722eada0f9a8f6c52b924fd8a6ea1c940cfab07debdb4e31ca88964a76452

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

146.185.170.249:443

62.75.251.60:6601

185.148.168.25:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1148-62-0x0000000074C30000-0x0000000074D58000-memory.dmp	dridex_ldr
behavioral1/memory/1148-61-0x0000000074C30000-0x0000000074C6D000-memory.dmp	dridex_ldr

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1096 wrote to memory of 1148	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1148	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1148	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1148	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1148	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1148	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1148	1096	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1148

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1148-59-0x0000000000000000-mapping.dmp

Download
memory/1148-60-0x00000000752F1000-0x00000000752F3000-memory.dmp

Filesize
8KB

Download
memory/1148-62-0x0000000074C30000-0x0000000074D58000-memory.dmp

Filesize
1.2MB

Download
memory/1148-61-0x0000000074C30000-0x0000000074C6D000-memory.dmp

Filesize
244KB

Download
memory/1148-63-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download