dridex | 27b893ce0883e5a82db4ffb3833e9c0e153c50e53dcc38a96f4a3e3e73f9c4c5

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 03:24

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General

Target

fdb4c2455d1331b2dfabc9289a812295_JaffaCakes118.dll
Size

785KB
MD5

fdb4c2455d1331b2dfabc9289a812295
SHA1

9ef8137c6ee3f3e557db5f7273e3182ee01c7b1b
SHA256

27b893ce0883e5a82db4ffb3833e9c0e153c50e53dcc38a96f4a3e3e73f9c4c5
SHA512

af80fe24fcd13f97e9f198aabd26288108cb093d7950003ef5ec27ac61d57e29c36879a4722f47e9edffb1c762999af7381cd6a0f9edd08cfeb015ba7f90be1a
SSDEEP

12288:EbqkjZG1Vu8MpJYosZUmc16RWdrpo8+FFcLxT8HoxmRsDJteMKT+81MOU7qOkQR1:EbqkjZGqxYjxoArwQobmMKViOUFkK1

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

flow	pid	Process
3	1148	rundll32.exe
5	1148	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 340 wrote to memory of 1148	340	rundll32.exe	30
PID 340 wrote to memory of 1148	340	rundll32.exe	30
PID 340 wrote to memory of 1148	340	rundll32.exe	30
PID 340 wrote to memory of 1148	340	rundll32.exe	30
PID 340 wrote to memory of 1148	340	rundll32.exe	30
PID 340 wrote to memory of 1148	340	rundll32.exe	30
PID 340 wrote to memory of 1148	340	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdb4c2455d1331b2dfabc9289a812295_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdb4c2455d1331b2dfabc9289a812295_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1148

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/1148-0-0x0000000074C52000-0x0000000074C56000-memory.dmp

Filesize
16KB

Download
memory/1148-3-0x0000000074B90000-0x0000000074CAB000-memory.dmp

Filesize
1.1MB

Download
memory/1148-2-0x0000000074B90000-0x0000000074CAB000-memory.dmp

Filesize
1.1MB

Download
memory/1148-4-0x0000000074B90000-0x0000000074CAB000-memory.dmp

Filesize
1.1MB

Download
memory/1148-5-0x0000000074C52000-0x0000000074C56000-memory.dmp

Filesize
16KB

Download
memory/1148-6-0x0000000074B90000-0x0000000074CAB000-memory.dmp

Filesize
1.1MB

Download