dridex | 48df40524456a981de9356a9b89ecfded629e931b85e9f8519effb9d4079379c

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
27-08-2024 01:01

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General

Target

c41cf929493bdd0b86c0aaffc7d9c583_JaffaCakes118.dll
Size

920KB
MD5

c41cf929493bdd0b86c0aaffc7d9c583
SHA1

8796dd1a9c4b8f7d85c2de9fbf07e876b5986f4c
SHA256

48df40524456a981de9356a9b89ecfded629e931b85e9f8519effb9d4079379c
SHA512

a26ccbc1be79a890e8c087a1a1fb3f4c9ea88556d9a2ee99398f6640cc3e738709df1dc1184714102868b1eb169d9fe1062ddba9319c4684af430b415116d800
SSDEEP

24576:NNWfnaVoffEQmyO378WTkvEKT9Hgce1BHbodCm:fuaq34yDWTkvvT9HgdbodC

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

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	2292	rundll32.exe
5	2292	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 2416 wrote to memory of 2292	2416	rundll32.exe	31
PID 2416 wrote to memory of 2292	2416	rundll32.exe	31
PID 2416 wrote to memory of 2292	2416	rundll32.exe	31
PID 2416 wrote to memory of 2292	2416	rundll32.exe	31
PID 2416 wrote to memory of 2292	2416	rundll32.exe	31
PID 2416 wrote to memory of 2292	2416	rundll32.exe	31
PID 2416 wrote to memory of 2292	2416	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c41cf929493bdd0b86c0aaffc7d9c583_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c41cf929493bdd0b86c0aaffc7d9c583_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2292

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

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Downloads

memory/2292-0-0x0000000075065000-0x0000000075069000-memory.dmp

Filesize
16KB

Download
memory/2292-1-0x0000000074F80000-0x00000000750C1000-memory.dmp

Filesize
1.3MB

Download
memory/2292-3-0x0000000074F80000-0x00000000750C1000-memory.dmp

Filesize
1.3MB

Download
memory/2292-4-0x0000000074F80000-0x00000000750C1000-memory.dmp

Filesize
1.3MB

Download
memory/2292-5-0x0000000075065000-0x0000000075069000-memory.dmp

Filesize
16KB

Download
memory/2292-6-0x0000000074F80000-0x00000000750C1000-memory.dmp

Filesize
1.3MB

Download