dridex | 1d6073d929d31040ab0247a69ec88252ccf3d3b7ddedc15986a80cb9a0f18c15

Analysis

max time kernel
140s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
26-06-2022 05:34

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General

Target

gf290z.dll
Size

576KB
MD5

aeabbdc83f57481c63df70f597217c0b
SHA1

26f3e86893f2c4e37a92594b491f3eade0eb8c60
SHA256

1d6073d929d31040ab0247a69ec88252ccf3d3b7ddedc15986a80cb9a0f18c15
SHA512

7b98313ee9cf362d5c28b169863fe829dab306affdeb93a09d6f2270dede6fc731f28e4e549188460bf0444145b7cdff1224124bc941008587b44a52b4dabe54

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.131:443

5.196.204.251:5037

192.99.41.136:981

24.229.3.146:4664

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

14 2032 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
14	2032	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 4776 wrote to memory of 2032	4776	rundll32.exe	rundll32.exe
PID 4776 wrote to memory of 2032	4776	rundll32.exe	rundll32.exe
PID 4776 wrote to memory of 2032	4776	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\gf290z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4776

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\gf290z.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2032

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/2032-130-0x0000000000000000-mapping.dmp

Download
memory/2032-132-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2032-131-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download