dridex | 69b689878bb47becd65c42f03f1a1e8a10f4e501ca5e00d9f903b6d0c9115e70

General

Target

69b689878bb47becd65c42f03f1a1e8a10f4e501ca5e00d9f903b6d0c9115e70.dll
Size

639KB
MD5

70aabdccb566588acfea62bde41b7166
SHA1

18c2e036b96a6d3a1dfc8c561c527f3dda7f5ab9
SHA256

69b689878bb47becd65c42f03f1a1e8a10f4e501ca5e00d9f903b6d0c9115e70
SHA512

a23f891acb8e73c6ac0b70b91847dc396f05539798693f6d21f13b737be99d47cbdfb7d77b6795e192d89099c4a10b1a8a4865011eeb5ac8e17711245c23b45a

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

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/1072-63-0x0000000075370000-0x0000000075433000-memory.dmp	dridex_ldr
behavioral1/memory/1072-62-0x0000000075370000-0x00000000753AD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1072 rundll32.exe
8 1072 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
5	1072	rundll32.exe
8	1072	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 1092 wrote to memory of 1072	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1072	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1072	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1072	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1072	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1072	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1072	1092	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\69b689878bb47becd65c42f03f1a1e8a10f4e501ca5e00d9f903b6d0c9115e70.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\69b689878bb47becd65c42f03f1a1e8a10f4e501ca5e00d9f903b6d0c9115e70.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1072

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/1072-60-0x0000000000000000-mapping.dmp

Download
memory/1072-61-0x0000000076E11000-0x0000000076E13000-memory.dmp

Filesize
8KB

Download
memory/1072-63-0x0000000075370000-0x0000000075433000-memory.dmp

Filesize
780KB

Download
memory/1072-62-0x0000000075370000-0x00000000753AD000-memory.dmp

Filesize
244KB

Download
memory/1072-64-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download

Analysis

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