dridex | f9f2bf64359f28b5c7c261321f5ee1da8207e138ea675287eb027235696649af

Analysis

max time kernel
101s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
26-06-2022 05:40

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General

Target

j7i4qif86.dll
Size

1.0MB
MD5

b42efe18ad2b37cb24daf1ee27db37dd
SHA1

92f63db052ba2e576a538090b12665cb9761dc2d
SHA256

f9f2bf64359f28b5c7c261321f5ee1da8207e138ea675287eb027235696649af
SHA512

d6f24963529822b49928ae721f71836b849ce64c3ee978e6306cb40c5bea9c23ae844d34c3bbdca3f720badaff547a66ebd71f4fed2ccbfe91dd1521be284cf8

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

27 804 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
27	804	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1252 wrote to memory of 804	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 804	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 804	1252	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\j7i4qif86.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1252

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\j7i4qif86.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:804

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

Replay Monitor

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Downloads

memory/804-130-0x0000000000000000-mapping.dmp

Download
memory/804-131-0x0000000074F90000-0x00000000750AB000-memory.dmp

Filesize
1.1MB

Download
memory/804-133-0x0000000074F90000-0x00000000750AB000-memory.dmp

Filesize
1.1MB

Download
memory/804-132-0x0000000074F90000-0x0000000074FCD000-memory.dmp

Filesize
244KB

Download
memory/804-135-0x0000000074F90000-0x00000000750AB000-memory.dmp

Filesize
1.1MB

Download
memory/804-136-0x0000000074F90000-0x00000000750AB000-memory.dmp

Filesize
1.1MB

Download