dridex | b07e0661f57e1e17cef7652636dc11735a0f5a5957756c359c9a54907501396f

Analysis

max time kernel
74s
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 20:07

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General

Target

JaffaCakes118_b07e0661f57e1e17cef7652636dc11735a0f5a5957756c359c9a54907501396f.dll
Size

204KB
MD5

74b6cb94df4f2a99ce57e4d8039e9fab
SHA1

0948f807917de9d98e6be20340f3498aa262f49a
SHA256

b07e0661f57e1e17cef7652636dc11735a0f5a5957756c359c9a54907501396f
SHA512

63c297e6526edb8e9b0c1c3cf382e13684d713ea5f44f5c897710b55c9d3844d2d10b5b58e9543aff4653b4428d53a4bf37670cda7cba763c9457a52053c4d3a
SSDEEP

3072:d6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:dZuX6pEaeEDheWa+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/2516-1-0x0000000074680000-0x00000000746B5000-memory.dmp	dridex_ldr
behavioral1/memory/2516-4-0x0000000074680000-0x00000000746B5000-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 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b07e0661f57e1e17cef7652636dc11735a0f5a5957756c359c9a54907501396f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b07e0661f57e1e17cef7652636dc11735a0f5a5957756c359c9a54907501396f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2516

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/2516-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2516-1-0x0000000074680000-0x00000000746B5000-memory.dmp

Filesize
212KB

Download
memory/2516-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2516-4-0x0000000074680000-0x00000000746B5000-memory.dmp

Filesize
212KB

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