dridex | b71ef3ee299336a7463066bc09d331ed94c9421651e5bcd31184d17c1cce5c0a

Analysis

max time kernel
46s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 05:42

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General

Target

JaffaCakes118_b71ef3ee299336a7463066bc09d331ed94c9421651e5bcd31184d17c1cce5c0a.dll
Size

204KB
MD5

7e9bc63365f17719ec1a6a78708e53c0
SHA1

a38d06fd6e33d8f5a56919a5fe8427ea151fad54
SHA256

b71ef3ee299336a7463066bc09d331ed94c9421651e5bcd31184d17c1cce5c0a
SHA512

b938aab60e72b055c69e250759ff54ecb2f58a054ada4a12beaa2d68bcfff5151b2318a6f8e8d2e935b6605cad160b96b8e417c81daab23b666f6436aaee461b
SSDEEP

3072:X6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:XZuX6pEaeEDheWa+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
behavioral2/memory/4848-0-0x0000000074BA0000-0x0000000074BD5000-memory.dmp	dridex_ldr
behavioral2/memory/4848-3-0x0000000074BA0000-0x0000000074BD5000-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 3 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 4848	408	rundll32.exe	83
PID 408 wrote to memory of 4848	408	rundll32.exe	83
PID 408 wrote to memory of 4848	408	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b71ef3ee299336a7463066bc09d331ed94c9421651e5bcd31184d17c1cce5c0a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b71ef3ee299336a7463066bc09d331ed94c9421651e5bcd31184d17c1cce5c0a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4848

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/4848-0-0x0000000074BA0000-0x0000000074BD5000-memory.dmp

Filesize
212KB

Download
memory/4848-2-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/4848-3-0x0000000074BA0000-0x0000000074BD5000-memory.dmp

Filesize
212KB

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