dridex | 6a809aa00e8b272ecc5fb948e08633ae17ceb4a1fc58f89dea40e1558a203bbf

Analysis

max time kernel
72s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:16

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General

Target

JaffaCakes118_6a809aa00e8b272ecc5fb948e08633ae17ceb4a1fc58f89dea40e1558a203bbf.dll
Size

154KB
MD5

c2a442e155238994bf1a8a03d7a0527e
SHA1

a5c7ccea44b4fc4d6047b3415d58afb90e6e63b4
SHA256

6a809aa00e8b272ecc5fb948e08633ae17ceb4a1fc58f89dea40e1558a203bbf
SHA512

51f8d908aebda1cae154b285aff3662b2e73350d0d95b68001f8ad7571f5634229a57d182a22dd75f17a4ac36cc52605253127fb19e872635dc27549190d12b0
SSDEEP

3072:yZ+9Q25AHEf/2gUU7uZAOCIB0IgESXZyX/sS5eqLrNWBC:dQeVf/2gUU76rDeIgESXZmYYa

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/2820-0-0x0000000074BD0000-0x0000000074BFD000-memory.dmp	dridex_ldr
behavioral1/memory/2820-3-0x0000000074BD0000-0x0000000074BFD000-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 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a809aa00e8b272ecc5fb948e08633ae17ceb4a1fc58f89dea40e1558a203bbf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a809aa00e8b272ecc5fb948e08633ae17ceb4a1fc58f89dea40e1558a203bbf.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2820

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/2820-0-0x0000000074BD0000-0x0000000074BFD000-memory.dmp

Filesize
180KB

Download
memory/2820-2-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2820-3-0x0000000074BD0000-0x0000000074BFD000-memory.dmp

Filesize
180KB

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