dridex | 42f3a77ef2f9a9fcf09b564553d2dcd8d857c85777bcb981c300b46c07a0a6b2

Analysis

max time kernel
128s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:52

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General

Target

JaffaCakes118_42f3a77ef2f9a9fcf09b564553d2dcd8d857c85777bcb981c300b46c07a0a6b2.dll
Size

204KB
MD5

6b4c57d0c882062656fa14bf51a58c67
SHA1

a27b607f6603b87c203467babec5d8875f44fb21
SHA256

42f3a77ef2f9a9fcf09b564553d2dcd8d857c85777bcb981c300b46c07a0a6b2
SHA512

d1d55aee37877c9de8c6b8a9869561c60445e72145c809ea6c4430898fe5c69274a57c8c346334eae405f8eac63aa85f7c810c9fc7ec3c5000cdeb5b02cbceb2
SSDEEP

3072:36FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:3ZuX6pEaeEDheWa+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/3008-1-0x00000000752C0000-0x00000000752F5000-memory.dmp	dridex_ldr
behavioral1/memory/3008-3-0x00000000752C0000-0x00000000752F5000-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 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42f3a77ef2f9a9fcf09b564553d2dcd8d857c85777bcb981c300b46c07a0a6b2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42f3a77ef2f9a9fcf09b564553d2dcd8d857c85777bcb981c300b46c07a0a6b2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3008

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/3008-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3008-1-0x00000000752C0000-0x00000000752F5000-memory.dmp

Filesize
212KB

Download
memory/3008-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3008-3-0x00000000752C0000-0x00000000752F5000-memory.dmp

Filesize
212KB

Download