dridex | 2bac5c36fda526a1533673ddfca0b8fa53d4bc099863cd9dc222c08cf395ad09

Analysis

max time kernel
29s
max time network
143s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:00

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General

Target
2bac5c36fda526a1533673ddfca0b8fa53d4bc099863cd9dc222c08cf395ad09.dll
Size 188KB
Sample210224-p3j9sbbffs
SHA256 2bac5c36fda526a1533673ddfca0b8fa53d4bc099863cd9dc222c08cf395ad09
MD5 5117df8a3e2f8928273f0d35f7ee979b
SHA1 13c31d4ae455810a49cf5f65c7e58999ef2f92c9
SHA512 5d7fbcc04c4c43e466ea5b01c9c893299a7c54f64156e2817b65bb31040cb0624c9b4eb15eb2f41cee90ae23cd329253641e110fd550ef0c94542b19413cc06f
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

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

resource	yara_rule
behavioral2/memory/4788-3-0x0000000073730000-0x0000000073761000-memory.dmp	dridex_ldr
behavioral2/memory/4788-5-0x0000000073730000-0x000000007374F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	4788	rundll32.exe
17	4788	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 4788	4764	rundll32.exe	25
PID 4764 wrote to memory of 4788	4764	rundll32.exe	25
PID 4764 wrote to memory of 4788	4764	rundll32.exe	25

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bac5c36fda526a1533673ddfca0b8fa53d4bc099863cd9dc222c08cf395ad09.dll,#1
1⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4788

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bac5c36fda526a1533673ddfca0b8fa53d4bc099863cd9dc222c08cf395ad09.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4788-3-0x0000000073730000-0x0000000073761000-memory.dmp

Download

memory/4788-4-0x0000000004DA0000-0x0000000004DA6000-memory.dmp

Download

memory/4788-5-0x0000000073730000-0x000000007374F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads