dridex | 0f01fd5896b88ced79f6f611de53a20385c7a5b2f7e443ed58bc5e449e768a29

General

Target

0f01fd5896b88ced79f6f611de53a20385c7a5b2f7e443ed58bc5e449e768a29.dll
Size

923KB
MD5

b94268ab1032daba281e9d9f4407676f
SHA1

36e85ba5240d9f22b6736244637484b5fa129aa3
SHA256

0f01fd5896b88ced79f6f611de53a20385c7a5b2f7e443ed58bc5e449e768a29
SHA512

e02c87e4a6035444a7ae0e009960e9ccdf9f7c75bb5594a555ae4b25f9b5bfb742df12cb50fa53804ed8f17823126093b262c786c8c2513d694fcffb69f20978

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/1328-63-0x0000000075190000-0x0000000075290000-memory.dmp	dridex_ldr
behavioral1/memory/1328-62-0x0000000075190000-0x00000000751CD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1328 rundll32.exe
6 1328 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	1328	rundll32.exe
6	1328	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 1992 wrote to memory of 1328	1992	rundll32.exe	rundll32.exe
PID 1992 wrote to memory of 1328	1992	rundll32.exe	rundll32.exe
PID 1992 wrote to memory of 1328	1992	rundll32.exe	rundll32.exe
PID 1992 wrote to memory of 1328	1992	rundll32.exe	rundll32.exe
PID 1992 wrote to memory of 1328	1992	rundll32.exe	rundll32.exe
PID 1992 wrote to memory of 1328	1992	rundll32.exe	rundll32.exe
PID 1992 wrote to memory of 1328	1992	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f01fd5896b88ced79f6f611de53a20385c7a5b2f7e443ed58bc5e449e768a29.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f01fd5896b88ced79f6f611de53a20385c7a5b2f7e443ed58bc5e449e768a29.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1328

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/1328-60-0x0000000000000000-mapping.dmp

Download
memory/1328-61-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1328-63-0x0000000075190000-0x0000000075290000-memory.dmp

Filesize
1024KB

Download
memory/1328-62-0x0000000075190000-0x00000000751CD000-memory.dmp

Filesize
244KB

Download
memory/1328-64-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download

Analysis

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