dridex | a39c89f40487bb97ab663aa9da7d06dee066f5f1cae60494f6b691c1dd3d8ff9

Analysis

max time kernel
124s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:00

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General

Target

JaffaCakes118_a39c89f40487bb97ab663aa9da7d06dee066f5f1cae60494f6b691c1dd3d8ff9.dll
Size

204KB
MD5

45813c69e305aadb641193d82a7ecab6
SHA1

ec900ade92d84e7d0ccd3378780fc9e4e7537e18
SHA256

a39c89f40487bb97ab663aa9da7d06dee066f5f1cae60494f6b691c1dd3d8ff9
SHA512

8b40f667756fb1ca2b07e2fb533921a41e9ca72f63ef75487eb28cb3c3a6612ea986503528e51b874debadec93fe9bf272ed4fce0ad890833ec38cb6238703d4
SSDEEP

3072:Y6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:YZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2556-1-0x0000000074B40000-0x0000000074B75000-memory.dmp	dridex_ldr
behavioral1/memory/2556-4-0x0000000074B40000-0x0000000074B75000-memory.dmp	dridex_ldr

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 2540 wrote to memory of 2556	2540	rundll32.exe	30
PID 2540 wrote to memory of 2556	2540	rundll32.exe	30
PID 2540 wrote to memory of 2556	2540	rundll32.exe	30
PID 2540 wrote to memory of 2556	2540	rundll32.exe	30
PID 2540 wrote to memory of 2556	2540	rundll32.exe	30
PID 2540 wrote to memory of 2556	2540	rundll32.exe	30
PID 2540 wrote to memory of 2556	2540	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a39c89f40487bb97ab663aa9da7d06dee066f5f1cae60494f6b691c1dd3d8ff9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a39c89f40487bb97ab663aa9da7d06dee066f5f1cae60494f6b691c1dd3d8ff9.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2556-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2556-1-0x0000000074B40000-0x0000000074B75000-memory.dmp

Filesize
212KB

Download
memory/2556-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2556-4-0x0000000074B40000-0x0000000074B75000-memory.dmp

Filesize
212KB

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