dridex | abcb5f6c8333cd8021a6a43c14cf1cfaaa8f8f7348aa352e09ea763e6c0d84d6

Analysis

max time kernel
141s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 07:18

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General

Target

dde26caf508d4f91f3ff5f1cb151d3031fae1474ef9d8db5cd48d8df334c098a.dll
Size

608KB
MD5

cc540423c30b8ddc7558d0d6f50d30f1
SHA1

1ee21a99fcf19663978cdadb8d44b899e42fd642
SHA256

dde26caf508d4f91f3ff5f1cb151d3031fae1474ef9d8db5cd48d8df334c098a
SHA512

3d9cb78581f5a1d0f51bac7513c9287c66fb6371f639bc71f3e02470132e164697afb3ec941d88859450b58df292a16b83b81a6436d4bd9ff11c0646354a1d0d
SSDEEP

12288:gZGQdqOG+oJqydLqQSeCqsVK8kPRGO35N9mV4zXc6V:gZ0DWjeCVVK8kP9N9oE/

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
3	2500	rundll32.exe
5	2500	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

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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 1540 wrote to memory of 2500	1540	rundll32.exe	29
PID 1540 wrote to memory of 2500	1540	rundll32.exe	29
PID 1540 wrote to memory of 2500	1540	rundll32.exe	29
PID 1540 wrote to memory of 2500	1540	rundll32.exe	29
PID 1540 wrote to memory of 2500	1540	rundll32.exe	29
PID 1540 wrote to memory of 2500	1540	rundll32.exe	29
PID 1540 wrote to memory of 2500	1540	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dde26caf508d4f91f3ff5f1cb151d3031fae1474ef9d8db5cd48d8df334c098a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dde26caf508d4f91f3ff5f1cb151d3031fae1474ef9d8db5cd48d8df334c098a.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2500

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/2500-1-0x0000000001FE0000-0x0000000002114000-memory.dmp

Filesize
1.2MB

Download
memory/2500-2-0x0000000001FE0000-0x0000000002114000-memory.dmp

Filesize
1.2MB

Download
memory/2500-5-0x0000000002074000-0x000000000207A000-memory.dmp

Filesize
24KB

Download
memory/2500-6-0x0000000001FE0000-0x0000000002114000-memory.dmp

Filesize
1.2MB

Download
memory/2500-3-0x0000000001FE0000-0x0000000002114000-memory.dmp

Filesize
1.2MB

Download
memory/2500-7-0x0000000001FE0000-0x0000000002114000-memory.dmp

Filesize
1.2MB

Download