dridex | de7aac41ca67fe226c8cced77b863944ac32ae99cd0eeada4ac85e5eb4ddfe76

Analysis

max time kernel
141s
max time network
34s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 01:26

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General

Target

986c42e6c33302d9c09029fb01cf1b6e_JaffaCakes118.dll
Size

920KB
MD5

986c42e6c33302d9c09029fb01cf1b6e
SHA1

4aa8422fe71bc943e8ef35e53b592f1349dae989
SHA256

de7aac41ca67fe226c8cced77b863944ac32ae99cd0eeada4ac85e5eb4ddfe76
SHA512

41c2f01d35d3207750fe5eb349e49d0c12195bbd7da84330759a583ff402b660dd5d1a7788e0a293f1cf8f57ad7356881da4bf1464a9ab22e8e9b602f6c17f0e
SSDEEP

24576:X/WfnaVoffEQmyO378WTkvEKT9Hgce1BHbofCm:Puaq34yDWTkvvT9HgdbofC

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	1592	rundll32.exe
5	1592	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 808 wrote to memory of 1592	808	rundll32.exe	30
PID 808 wrote to memory of 1592	808	rundll32.exe	30
PID 808 wrote to memory of 1592	808	rundll32.exe	30
PID 808 wrote to memory of 1592	808	rundll32.exe	30
PID 808 wrote to memory of 1592	808	rundll32.exe	30
PID 808 wrote to memory of 1592	808	rundll32.exe	30
PID 808 wrote to memory of 1592	808	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\986c42e6c33302d9c09029fb01cf1b6e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\986c42e6c33302d9c09029fb01cf1b6e_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1592

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/1592-0-0x0000000074880000-0x00000000749C1000-memory.dmp

Filesize
1.3MB

Download
memory/1592-3-0x0000000074880000-0x00000000749C1000-memory.dmp

Filesize
1.3MB

Download
memory/1592-2-0x0000000074965000-0x0000000074969000-memory.dmp

Filesize
16KB

Download
memory/1592-4-0x0000000074880000-0x00000000749C1000-memory.dmp

Filesize
1.3MB

Download
memory/1592-5-0x0000000074880000-0x00000000749C1000-memory.dmp

Filesize
1.3MB

Download