dridex | 19ed109f5dfa9e589d28b3126e849a9b022a85486b70e39dd193720d2cbdc743

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2023 16:23

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General

Target

e67cfe4a379cb3b5eaf1fedeed36d652.dll
Size

620KB
MD5

e67cfe4a379cb3b5eaf1fedeed36d652
SHA1

51d30228e1f9a6b3622ad56b71bba9fa722657ec
SHA256

19ed109f5dfa9e589d28b3126e849a9b022a85486b70e39dd193720d2cbdc743
SHA512

2e91ad599a3da3c83c0ea3844d975ba6cf12e4e1fc5c5341317776dba7ef143d185f7177e0aabb66af88d56ed25b975a850a5627e8dfb8065b39e3735da95405
SSDEEP

12288:+E6rSi/4Ibs3j09TMmonCh5atbz9+eoQoUZpDd7Da1nX9y1zO/zFZx:0eJt3j0dMZnCutz4zI5xDwXU9m

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

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 1 IoCs

Processes:

rundll32.exe

flow pid process

35 1756 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
35	1756	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 4984 wrote to memory of 1756	4984	rundll32.exe	rundll32.exe
PID 4984 wrote to memory of 1756	4984	rundll32.exe	rundll32.exe
PID 4984 wrote to memory of 1756	4984	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e67cfe4a379cb3b5eaf1fedeed36d652.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4984

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e67cfe4a379cb3b5eaf1fedeed36d652.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1756

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1756-0-0x0000000002110000-0x0000000002249000-memory.dmp

Filesize
1.2MB

Download
memory/1756-2-0x0000000002110000-0x0000000002249000-memory.dmp

Filesize
1.2MB

Download
memory/1756-3-0x0000000002110000-0x0000000002249000-memory.dmp

Filesize
1.2MB

Download
memory/1756-5-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/1756-6-0x0000000002110000-0x0000000002249000-memory.dmp

Filesize
1.2MB

Download
memory/1756-8-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download