dridex | 8cd2f472d14988a503023626ca9a90b82b9d0889d95f3db6473e9a9e7e0fd85a

Analysis

max time kernel
85s
max time network
158s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 05:36

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General

Target

hbjbf7q.dll
Size

1.0MB
MD5

69ab5b2ac08ffbd57885683ace162f84
SHA1

b96549d53a6ba8eb89509ff4f870d7f18717b80a
SHA256

8cd2f472d14988a503023626ca9a90b82b9d0889d95f3db6473e9a9e7e0fd85a
SHA512

e102354ca12595d5bdf6d7c76d6e9e863ada6de1801215d54e4cae6f475408a4a35193f84bf254e3349df4d113b172f3cd930fdc305eef2b0e02d801129dd80e

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 2 IoCs

Processes:

rundll32.exe

flow pid process

3 2036 rundll32.exe
5 2036 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
3	2036	rundll32.exe
5	2036	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 1044 wrote to memory of 2036	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 2036	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 2036	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 2036	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 2036	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 2036	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 2036	1044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\hbjbf7q.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\hbjbf7q.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2036

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/2036-54-0x0000000000000000-mapping.dmp

Download
memory/2036-55-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/2036-56-0x00000000751B0000-0x00000000752CB000-memory.dmp

Filesize
1.1MB

Download
memory/2036-57-0x00000000751B0000-0x00000000751ED000-memory.dmp

Filesize
244KB

Download
memory/2036-58-0x00000000751B0000-0x00000000752CB000-memory.dmp

Filesize
1.1MB

Download
memory/2036-60-0x00000000751B0000-0x00000000752CB000-memory.dmp

Filesize
1.1MB

Download
memory/2036-61-0x00000000751B0000-0x00000000752CB000-memory.dmp

Filesize
1.1MB

Download