dridex | 4f2ac8c6a5eec50e093c9fe14e2597b691a6a0eda9867e17cd2fa17aba1e8a75

Analysis

max time kernel
151s
max time network
155s
platform
windows10_x64
resource
win10-en-20210920
submitted
14-10-2021 07:04

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General

Target

4f2ac8c6a5eec50e093c9fe14e2597b691a6a0eda9867e17cd2fa17aba1e8a75.dll
Size

608KB
MD5

e413f3a91ad86c1d165b54ada721c5ab
SHA1

55ef7747b281eb556b72d7c75619884dba01a51c
SHA256

4f2ac8c6a5eec50e093c9fe14e2597b691a6a0eda9867e17cd2fa17aba1e8a75
SHA512

003187ad0039284c43451db8c538da5974b6e4e950eb136ad4bc5ff78edf9cc1ad9700aa6f259f5d760b6db3183ceabb89082a10f2a0e101358a78fc67873d39

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

23 3484 rundll32.exe
25 3484 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
23	3484	rundll32.exe
25	3484	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 2016 wrote to memory of 3484	2016	rundll32.exe	rundll32.exe
PID 2016 wrote to memory of 3484	2016	rundll32.exe	rundll32.exe
PID 2016 wrote to memory of 3484	2016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f2ac8c6a5eec50e093c9fe14e2597b691a6a0eda9867e17cd2fa17aba1e8a75.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f2ac8c6a5eec50e093c9fe14e2597b691a6a0eda9867e17cd2fa17aba1e8a75.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3484

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/3484-115-0x0000000000000000-mapping.dmp

Download
memory/3484-116-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3484-118-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3484-117-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3484-120-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/3484-121-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/3484-122-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/3484-192-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download