dridex | ff32882e03c490121358ec7a804f3568b8ffd5a9e02ceedb0f66f7dfb951cbbe

Analysis

max time kernel
152s
max time network
167s
platform
windows10_x64
resource
win10v20210408
submitted
14-10-2021 07:04

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General

Target

ff32882e03c490121358ec7a804f3568b8ffd5a9e02ceedb0f66f7dfb951cbbe.dll
Size

608KB
MD5

dd8a6238fbf020c318d4a58692a833d0
SHA1

4f8bd2f6783e060d51235179340a53784faca5a4
SHA256

ff32882e03c490121358ec7a804f3568b8ffd5a9e02ceedb0f66f7dfb951cbbe
SHA512

c53c4a9de92baf109de3f69087fc103f84014a6614f6fe9f0dc90bcb9fd28b77b7536850fc94d95acfe4d3ce2021bdd83c4b3817949fb3ee7598ead257386208

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

30 3976 rundll32.exe
31 3976 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
30	3976	rundll32.exe
31	3976	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 996 wrote to memory of 3976	996	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 3976	996	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 3976	996	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff32882e03c490121358ec7a804f3568b8ffd5a9e02ceedb0f66f7dfb951cbbe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:996

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff32882e03c490121358ec7a804f3568b8ffd5a9e02ceedb0f66f7dfb951cbbe.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3976

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/3976-114-0x0000000000000000-mapping.dmp

Download
memory/3976-115-0x0000000000C20000-0x0000000000D54000-memory.dmp

Filesize
1.2MB

Download
memory/3976-117-0x0000000000C20000-0x0000000000D54000-memory.dmp

Filesize
1.2MB

Download
memory/3976-118-0x0000000000C20000-0x0000000000C5D000-memory.dmp

Filesize
244KB

Download
memory/3976-119-0x0000000000C20000-0x0000000000D54000-memory.dmp

Filesize
1.2MB

Download
memory/3976-121-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/3976-122-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/3976-123-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/3976-250-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download