dridex | a58cd530e46e3f9d288b2c94cd76dc813fcb1a13c6f11bc26fcac292462c96a9

Analysis

max time kernel
59s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:06

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General

Target

JaffaCakes118_a58cd530e46e3f9d288b2c94cd76dc813fcb1a13c6f11bc26fcac292462c96a9.dll
Size

204KB
MD5

cf99b6b5150f4a6ff6feba040e017fed
SHA1

e6759d604bb5d9dbbee30e5eb252b1c81534a37e
SHA256

a58cd530e46e3f9d288b2c94cd76dc813fcb1a13c6f11bc26fcac292462c96a9
SHA512

91800048faca61338503aceb079bb4b85d9464b605068b42128dcf3a439d09696c8c7cc50793d1e8d1468e1f72a5079df24c9ad2ecd3e642b7b857b0a70ae000
SSDEEP

3072:u6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:uZuX6pEaeEDheWa+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/1356-1-0x0000000074EA0000-0x0000000074ED5000-memory.dmp	dridex_ldr
behavioral1/memory/1356-2-0x0000000074EA0000-0x0000000074ED5000-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 2380 wrote to memory of 1356	2380	rundll32.exe	29
PID 2380 wrote to memory of 1356	2380	rundll32.exe	29
PID 2380 wrote to memory of 1356	2380	rundll32.exe	29
PID 2380 wrote to memory of 1356	2380	rundll32.exe	29
PID 2380 wrote to memory of 1356	2380	rundll32.exe	29
PID 2380 wrote to memory of 1356	2380	rundll32.exe	29
PID 2380 wrote to memory of 1356	2380	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a58cd530e46e3f9d288b2c94cd76dc813fcb1a13c6f11bc26fcac292462c96a9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a58cd530e46e3f9d288b2c94cd76dc813fcb1a13c6f11bc26fcac292462c96a9.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1356

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/1356-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1356-1-0x0000000074EA0000-0x0000000074ED5000-memory.dmp

Filesize
212KB

Download
memory/1356-2-0x0000000074EA0000-0x0000000074ED5000-memory.dmp

Filesize
212KB

Download
memory/1356-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download