dridex | 9b097c813c08b96804356df0ea1f624a4f4a18573ba8dd92b45a1682336ea4ea

General

Target

9b097c813c08b96804356df0ea1f624a4f4a18573ba8dd92b45a1682336ea4ea.dll
Size

188KB
MD5

d2d09254b1bf695bffc415a0b00f61d2
SHA1

65e932c25ae75e704c76a7161bd051e7b02a9be5
SHA256

9b097c813c08b96804356df0ea1f624a4f4a18573ba8dd92b45a1682336ea4ea
SHA512

cbdbaae7e7e9afb777104873e3719b9c9ff6d1776e940f4b5aabc3b16f62939fb552f0af2e6dea13380b9749612e85f1642179baa87cbb745b296ea70c8d1c40

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

116.251.211.158:443

216.10.242.142:6601

37.247.35.137:6601

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/1932-4-0x0000000074680000-0x00000000746B1000-memory.dmp	dridex_ldr
behavioral1/memory/1932-6-0x0000000074680000-0x000000007469F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

6 1932 rundll32.exe
8 1932 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	1932	rundll32.exe
8	1932	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 532 wrote to memory of 1932	532	rundll32.exe	rundll32.exe
PID 532 wrote to memory of 1932	532	rundll32.exe	rundll32.exe
PID 532 wrote to memory of 1932	532	rundll32.exe	rundll32.exe
PID 532 wrote to memory of 1932	532	rundll32.exe	rundll32.exe
PID 532 wrote to memory of 1932	532	rundll32.exe	rundll32.exe
PID 532 wrote to memory of 1932	532	rundll32.exe	rundll32.exe
PID 532 wrote to memory of 1932	532	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b097c813c08b96804356df0ea1f624a4f4a18573ba8dd92b45a1682336ea4ea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:532

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b097c813c08b96804356df0ea1f624a4f4a18573ba8dd92b45a1682336ea4ea.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1932

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/316-7-0x000007FEF7040000-0x000007FEF72BA000-memory.dmp

Filesize
2.5MB

Download
memory/1932-2-0x0000000000000000-mapping.dmp

Download
memory/1932-3-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/1932-4-0x0000000074680000-0x00000000746B1000-memory.dmp

Filesize
196KB

Download
memory/1932-5-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/1932-6-0x0000000074680000-0x000000007469F000-memory.dmp

Filesize
124KB

Download

Analysis

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