dridex | 5fb68877506a269b7da96f336a56cc67e2324421cbf14cb92c747f1e0a03b863

General

Target

5fb68877506a269b7da96f336a56cc67e2324421cbf14cb92c747f1e0a03b863.dll
Size

196KB
MD5

5aaf467c124b6b954e15f0aa0e35672b
SHA1

806ea9ecdcf5893b3f32c16514c56dd8888f7e17
SHA256

5fb68877506a269b7da96f336a56cc67e2324421cbf14cb92c747f1e0a03b863
SHA512

fb0f8e2941970ba0f4ec4c3dfa3841bad655519b3265e3524b54463e83f744c7adfbf3a89d782d95292dbfddb711400fe0ff63bb896c7f64899c3bfd7568a757

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

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/1896-4-0x0000000074BE0000-0x0000000074C13000-memory.dmp	dridex_ldr
behavioral1/memory/1896-6-0x0000000074BE0000-0x0000000074BFF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1896 rundll32.exe
6 1896 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
4	1896	rundll32.exe
6	1896	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 776 wrote to memory of 1896	776	rundll32.exe	rundll32.exe
PID 776 wrote to memory of 1896	776	rundll32.exe	rundll32.exe
PID 776 wrote to memory of 1896	776	rundll32.exe	rundll32.exe
PID 776 wrote to memory of 1896	776	rundll32.exe	rundll32.exe
PID 776 wrote to memory of 1896	776	rundll32.exe	rundll32.exe
PID 776 wrote to memory of 1896	776	rundll32.exe	rundll32.exe
PID 776 wrote to memory of 1896	776	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5fb68877506a269b7da96f336a56cc67e2324421cbf14cb92c747f1e0a03b863.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5fb68877506a269b7da96f336a56cc67e2324421cbf14cb92c747f1e0a03b863.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1896

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/880-7-0x000007FEF6200000-0x000007FEF647A000-memory.dmp

Filesize
2.5MB

Download
memory/1896-2-0x0000000000000000-mapping.dmp

Download
memory/1896-3-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1896-4-0x0000000074BE0000-0x0000000074C13000-memory.dmp

Filesize
204KB

Download
memory/1896-5-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/1896-6-0x0000000074BE0000-0x0000000074BFF000-memory.dmp

Filesize
124KB

Download

Analysis

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