dridex | c597b5f2bad1f0257d7bbf02f966cd1a890b32d63338460452d9d44e37ab127a

Analysis

max time kernel
60s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:57

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General

Target

JaffaCakes118_c597b5f2bad1f0257d7bbf02f966cd1a890b32d63338460452d9d44e37ab127a.dll
Size

204KB
MD5

40e537441b4c4329c47cc2784eff61fa
SHA1

7b4aeeddc814278cc9d81e332efe8549e1cfadbf
SHA256

c597b5f2bad1f0257d7bbf02f966cd1a890b32d63338460452d9d44e37ab127a
SHA512

deace3df86f4e9c123f61683ab3d63cfabdf8efedb8961e707f91e7c2cfe21e1ecf51df1ab4df2d264202a3b18e25e56b1020cc3a3400fdb6256586e5f5267be
SSDEEP

3072:P6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:PZuX6pEaeEDheWa+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/2532-0-0x0000000074B40000-0x0000000074B75000-memory.dmp	dridex_ldr
behavioral1/memory/2532-3-0x0000000074B40000-0x0000000074B75000-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 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c597b5f2bad1f0257d7bbf02f966cd1a890b32d63338460452d9d44e37ab127a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c597b5f2bad1f0257d7bbf02f966cd1a890b32d63338460452d9d44e37ab127a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2532

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/2532-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2532-0-0x0000000074B40000-0x0000000074B75000-memory.dmp

Filesize
212KB

Download
memory/2532-3-0x0000000074B40000-0x0000000074B75000-memory.dmp

Filesize
212KB

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