dridex | 3f5ac9186af10e92859996a4a778cd9c56828a68be6c8caa42bc449c745a8baa

General

Target

3f5ac9186af10e92859996a4a778cd9c56828a68be6c8caa42bc449c745a8baa.dll
Size

880KB
MD5

df7c6e463ce7c9180238705d216b1a69
SHA1

e040d36370fc9d5b0f7855d8747c29fa505bce84
SHA256

3f5ac9186af10e92859996a4a778cd9c56828a68be6c8caa42bc449c745a8baa
SHA512

f9153f516c0d68680f590ca978b699bf308f153b9d28e60ba29c76a751618a5f68d47ab83533d46c179e44025424149434e81c3a955e3817a68ee2b1cc95489e

Score

10^/10

dridex 10555 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

199.66.90.63:443

85.214.26.7:3389

51.68.224.245:4646

107.175.87.150:3889

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1624-3-0x00000000003A0000-0x00000000003CC000-memory.dmp	dridex_ldr

Dridex Loader 'dmod' strings 1 IoCs

Detects 'dmod' strings in Dridex loader.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1624-3-0x00000000003A0000-0x00000000003CC000-memory.dmp	dridex_ldr_dmod

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

2 1624 rundll32.exe
6 1624 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
2	1624	rundll32.exe
6	1624	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 2028 wrote to memory of 1624	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1624	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1624	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1624	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1624	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1624	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1624	2028	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f5ac9186af10e92859996a4a778cd9c56828a68be6c8caa42bc449c745a8baa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f5ac9186af10e92859996a4a778cd9c56828a68be6c8caa42bc449c745a8baa.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1624

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

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Downloads

memory/648-4-0x000007FEF7E60000-0x000007FEF80DA000-memory.dmp

Filesize
2.5MB

Download
memory/1624-2-0x0000000000000000-mapping.dmp

Download
memory/1624-3-0x00000000003A0000-0x00000000003CC000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads