dridex | e56c7afb6712cd3edda9400e15c8834477a26443575404b22bb92b137289c1b9

Analysis

max time kernel
140s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2024 03:01

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General

Target

7b06c3c759dca98845688da6a0feada1_JaffaCakes118.dll
Size

785KB
MD5

7b06c3c759dca98845688da6a0feada1
SHA1

dbb10b7a3bbca728c1e085183a70aa0fa1e72eb7
SHA256

e56c7afb6712cd3edda9400e15c8834477a26443575404b22bb92b137289c1b9
SHA512

851b3c23e86e2f9925084180bca828c7d9f3f595a3ee683a828d2a8e1726ec6f3f498d1f3be25c231ad7fb6a763d3aff89d6a6e142ea62e9e7df51c3fcc3c4c1
SSDEEP

12288:nbqkjZv1Vu8MpJYosZUmc16RWdrpo8+FFcLxT8HoxmRsDJteMKTW81MOU7qOkQR1:nbqkjZvqxYjxoArwQobmMKNiOUFkK1

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 1 IoCs

Processes:

rundll32.exe

flow	pid	Process
11	5020	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 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 1624 wrote to memory of 5020	1624	rundll32.exe	81
PID 1624 wrote to memory of 5020	1624	rundll32.exe	81
PID 1624 wrote to memory of 5020	1624	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b06c3c759dca98845688da6a0feada1_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b06c3c759dca98845688da6a0feada1_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:5020

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/5020-1-0x0000000075280000-0x000000007539B000-memory.dmp

Filesize
1.1MB

Download
memory/5020-2-0x0000000075342000-0x0000000075346000-memory.dmp

Filesize
16KB

Download
memory/5020-3-0x0000000075280000-0x000000007539B000-memory.dmp

Filesize
1.1MB

Download
memory/5020-4-0x0000000075280000-0x000000007539B000-memory.dmp

Filesize
1.1MB

Download
memory/5020-5-0x0000000075280000-0x000000007539B000-memory.dmp

Filesize
1.1MB

Download