dridex | 3a602a27fadde0667b47e54e84baa50dc0dfe5df58e82c63b4aa9a12f4cc0662

Analysis

max time kernel
105s
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 20:54

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General

Target

JaffaCakes118_3a602a27fadde0667b47e54e84baa50dc0dfe5df58e82c63b4aa9a12f4cc0662.dll
Size

204KB
MD5

b99716af26c3c7c33dcaa2c8692242a1
SHA1

f3c17b06fc032c051bf33c4633b3af594c9e12c9
SHA256

3a602a27fadde0667b47e54e84baa50dc0dfe5df58e82c63b4aa9a12f4cc0662
SHA512

7332f8efee07748ebc190dec2e58114c77d38c656753b7a3c171ed8126481d029324cfe2d6cc48078fa6c39341698dfd772f2be5987dfe7bdb00830ba1ec8aff
SSDEEP

3072:S6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:SZuX6pEaeEDheWa+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/3008-1-0x00000000752B0000-0x00000000752E5000-memory.dmp	dridex_ldr
behavioral1/memory/3008-4-0x00000000752B0000-0x00000000752E5000-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_3a602a27fadde0667b47e54e84baa50dc0dfe5df58e82c63b4aa9a12f4cc0662.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a602a27fadde0667b47e54e84baa50dc0dfe5df58e82c63b4aa9a12f4cc0662.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/3008-1-0x00000000752B0000-0x00000000752E5000-memory.dmp

Filesize
212KB

Download
memory/3008-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3008-4-0x00000000752B0000-0x00000000752E5000-memory.dmp

Filesize
212KB

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