dridex | 348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385

General

Target

348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385.dll
Size

966KB
MD5

98c9f60ca8a6fe5d149e8b103b254cee
SHA1

c6886d5ec94c2cdde3ee73156f8c6a33446860e4
SHA256

348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385
SHA512

e833c6e79e33d0c06a90f70f36f9ca364dfd189c4bbb3a72e85eb8f3627b8c0724d307d11a610cffff5cdfdd044acdf16f3e5acf5bf1ca43abeef56d40f20b5c

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/1472-62-0x00000000752D0000-0x00000000753E6000-memory.dmp	dridex_ldr
behavioral1/memory/1472-61-0x00000000752D0000-0x000000007530D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1472 rundll32.exe
7 1472 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	1472	rundll32.exe
7	1472	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 2000 wrote to memory of 1472	2000	rundll32.exe	rundll32.exe
PID 2000 wrote to memory of 1472	2000	rundll32.exe	rundll32.exe
PID 2000 wrote to memory of 1472	2000	rundll32.exe	rundll32.exe
PID 2000 wrote to memory of 1472	2000	rundll32.exe	rundll32.exe
PID 2000 wrote to memory of 1472	2000	rundll32.exe	rundll32.exe
PID 2000 wrote to memory of 1472	2000	rundll32.exe	rundll32.exe
PID 2000 wrote to memory of 1472	2000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1472

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/1472-59-0x0000000000000000-mapping.dmp

Download
memory/1472-60-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/1472-62-0x00000000752D0000-0x00000000753E6000-memory.dmp

Filesize
1.1MB

Download
memory/1472-63-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1472-61-0x00000000752D0000-0x000000007530D000-memory.dmp

Filesize
244KB

Download

Analysis

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