dridex | 44030fab1991cff0cf246fd7c5d2c631e3d2b19021573fb7ee370161f07d3a0b

Analysis

max time kernel
133s
max time network
147s
platform
windows10_x64
resource
win10-en-20210920
submitted
14-10-2021 07:03

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General

Target

44030fab1991cff0cf246fd7c5d2c631e3d2b19021573fb7ee370161f07d3a0b.dll
Size

608KB
MD5

f2409fa0a89d2892688e4cd2f80ddacd
SHA1

5633ad80a22de42a2a67598fabb3b8dcfe509cdd
SHA256

44030fab1991cff0cf246fd7c5d2c631e3d2b19021573fb7ee370161f07d3a0b
SHA512

2a1260a352210345b6e43f03ba51d735efb975b8279a9e3484151723ebe88ef98b27de8ee15aa482d6acb59cc683a8b195615ef735bc36a9b186cbf2b6f64de4

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

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

26 3936 rundll32.exe
27 3936 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
26	3936	rundll32.exe
27	3936	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 1812 wrote to memory of 3936	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 3936	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 3936	1812	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\44030fab1991cff0cf246fd7c5d2c631e3d2b19021573fb7ee370161f07d3a0b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1812

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\44030fab1991cff0cf246fd7c5d2c631e3d2b19021573fb7ee370161f07d3a0b.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3936

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

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Downloads

memory/3936-116-0x0000000000000000-mapping.dmp

Download
memory/3936-117-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3936-119-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3936-118-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3936-122-0x0000000003540000-0x0000000003541000-memory.dmp

Filesize
4KB

Download
memory/3936-123-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3936-121-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3936-124-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download