dridex | 6d5ca5fcaba6a6558013344ff5f11328e8079540e8ebe95789d9c185e11f8e44

General

Target

6d5ca5fcaba6a6558013344ff5f11328e8079540e8ebe95789d9c185e11f8e44.dll
Size

598KB
MD5

60a8f8f2ca0b34e728015a7481aa3fd0
SHA1

e3114c73570a07687de3f3c1e5121d1616899841
SHA256

6d5ca5fcaba6a6558013344ff5f11328e8079540e8ebe95789d9c185e11f8e44
SHA512

70b647d4cfa60b9e711c9bfd7aa2457e66b61e746884f9ff0f34d74cae99d7b921745d7241d215da7375b279d574317d0be0bad446f5d6f6c63df9c4a033024f

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

77.220.64.53:443

172.96.190.154:4664

209.126.111.137:33443

167.99.158.82:33443

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/608-4-0x00000000001D0000-0x000000000020D000-memory.dmp	dridex_ldr
behavioral1/memory/608-6-0x00000000001D0000-0x000000000020D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

3 608 rundll32.exe
6 608 rundll32.exe
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

flow	pid	process
3	608	rundll32.exe
6	608	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 1908 wrote to memory of 608	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 608	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 608	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 608	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 608	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 608	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 608	1908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d5ca5fcaba6a6558013344ff5f11328e8079540e8ebe95789d9c185e11f8e44.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d5ca5fcaba6a6558013344ff5f11328e8079540e8ebe95789d9c185e11f8e44.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:608

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/608-2-0x0000000000000000-mapping.dmp

Download
memory/608-3-0x0000000076271000-0x0000000076273000-memory.dmp

Filesize
8KB

Download
memory/608-4-0x00000000001D0000-0x000000000020D000-memory.dmp

Filesize
244KB

Download
memory/608-5-0x0000000000950000-0x00000000009CC000-memory.dmp

Filesize
496KB

Download
memory/608-6-0x00000000001D0000-0x000000000020D000-memory.dmp

Filesize
244KB

Download
memory/1584-7-0x000007FEF6270000-0x000007FEF64EA000-memory.dmp

Filesize
2.5MB

Download

Analysis

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