dridex | 572a3b5b02a5a88450ff127e658ae51585bc8a98209c35cdc79a3322bed48f88

General

Target

572a3b5b02a5a88450ff127e658ae51585bc8a98209c35cdc79a3322bed48f88.dll
Size

639KB
MD5

49ecd2b80810c47ca0f06a5225e85c54
SHA1

bdf93eed33c9927d6ed0bcdc3f44294d93b88648
SHA256

572a3b5b02a5a88450ff127e658ae51585bc8a98209c35cdc79a3322bed48f88
SHA512

0fa1da489ad13fdce1e6e6688ea2f245f466df79f94604faf43ea80d45710df578f700706dc28e5b9e2464013a1c0673a38e6af1b3ea7e7425d8e6f8307488d0

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/1440-63-0x00000000752D0000-0x0000000075393000-memory.dmp	dridex_ldr
behavioral1/memory/1440-62-0x00000000752D0000-0x000000007530D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

6 1440 rundll32.exe
8 1440 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
6	1440	rundll32.exe
8	1440	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 1864 wrote to memory of 1440	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1440	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1440	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1440	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1440	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1440	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1440	1864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\572a3b5b02a5a88450ff127e658ae51585bc8a98209c35cdc79a3322bed48f88.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\572a3b5b02a5a88450ff127e658ae51585bc8a98209c35cdc79a3322bed48f88.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1440

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/1440-60-0x0000000000000000-mapping.dmp

Download
memory/1440-61-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download
memory/1440-63-0x00000000752D0000-0x0000000075393000-memory.dmp

Filesize
780KB

Download
memory/1440-62-0x00000000752D0000-0x000000007530D000-memory.dmp

Filesize
244KB

Download
memory/1440-64-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download

Analysis

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