dridex | c7fd04214bbbc15528a88f0842e554cdcaf2fb8fecaa0c88d7a0c887bf45130c

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 04:04

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General

Target

ed8ca9c5a99f3188e808ae63ec0e51bb70d937953a623bb6ef37c6587f96b1bf.dll
Size

608KB
MD5

aad68ea5811a92e04404b16f23ce51fa
SHA1

ad052fa58d4274d8e91e8feeb11420569c924ea8
SHA256

ed8ca9c5a99f3188e808ae63ec0e51bb70d937953a623bb6ef37c6587f96b1bf
SHA512

d5e1dcbb9f43ae35b49e5b5b8070cb55baf2763b10ba7bab973c17e14f0c0f18c748f9cd46bce875870a3f63fdac5d831d79ec26df0f9481da7dea31cf7c5ba3
SSDEEP

12288:+ZGQdqOGTMJqydLqQSeCqsVK8kPRGO35N9mVgzXc6T:+Z0AWjeCVVK8kP9N9o8h

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 4 IoCs

flow	pid	Process
3	1700	rundll32.exe
5	1700	rundll32.exe
6	1700	rundll32.exe
7	1700	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed8ca9c5a99f3188e808ae63ec0e51bb70d937953a623bb6ef37c6587f96b1bf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed8ca9c5a99f3188e808ae63ec0e51bb70d937953a623bb6ef37c6587f96b1bf.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1700-0-0x0000000000640000-0x0000000000774000-memory.dmp

Filesize
1.2MB

Download
memory/1700-5-0x0000000000640000-0x0000000000774000-memory.dmp

Filesize
1.2MB

Download
memory/1700-4-0x0000000000640000-0x0000000000774000-memory.dmp

Filesize
1.2MB

Download
memory/1700-3-0x00000000006D4000-0x00000000006DA000-memory.dmp

Filesize
24KB

Download
memory/1700-2-0x0000000000640000-0x0000000000774000-memory.dmp

Filesize
1.2MB

Download
memory/1700-7-0x0000000000640000-0x0000000000774000-memory.dmp

Filesize
1.2MB

Download
memory/1700-8-0x0000000000640000-0x0000000000774000-memory.dmp

Filesize
1.2MB

Download