dridex | f9c07b91ad38a008ddc0f2655c9195961320c71160f9cfaec6af99f27a213b90

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-en-20211208
submitted
09-03-2022 15:20

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General

Target

f9c07b91ad38a008ddc0f2655c9195961320c71160f9cfaec6af99f27a213b90.dll
Size

414KB
MD5

437c9e83a39c2c61c55f6a2524827f69
SHA1

e6290c66a899912f8234d790156b22e27f107582
SHA256

f9c07b91ad38a008ddc0f2655c9195961320c71160f9cfaec6af99f27a213b90
SHA512

cd26e522a9e3ccc171c0252750de04052811a3b8b1b7b4a948970400559e6c40e45ebe3530449791d2d8add886dfe80fb052c0233f037cbe7107b952b9333f51

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

194.225.58.216:443

178.254.40.132:691

216.172.165.70:3889

198.57.200.100:3786

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

4 1632 rundll32.exe
5 1632 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
4	1632	rundll32.exe
5	1632	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 1628 wrote to memory of 1632	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 1632	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 1632	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 1632	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 1632	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 1632	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 1632	1628	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9c07b91ad38a008ddc0f2655c9195961320c71160f9cfaec6af99f27a213b90.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9c07b91ad38a008ddc0f2655c9195961320c71160f9cfaec6af99f27a213b90.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1632

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1632-55-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1632-56-0x0000000000260000-0x000000000029D000-memory.dmp

Filesize
244KB

Download
memory/1632-57-0x0000000001B90000-0x0000000001BCD000-memory.dmp

Filesize
244KB

Download