dridex | 1d8f3490d3e6746d48190e51df456dcd975cb6c758f3adcb6780353c4cbcf051

Analysis

max time kernel
60s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 06:08

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General

Target

JaffaCakes118_1d8f3490d3e6746d48190e51df456dcd975cb6c758f3adcb6780353c4cbcf051.dll
Size

204KB
MD5

e7e911d769396e07bd0a5571cc151617
SHA1

8e758075c1c10a9a6a78028fdf9bbce8e3943722
SHA256

1d8f3490d3e6746d48190e51df456dcd975cb6c758f3adcb6780353c4cbcf051
SHA512

96ea633177ef0c99361161dfbcf20a8f22acdb196c96906185c183e9c4f46f0eca6bddad9accfa445274275d69066bc40b95b2778647e72cd6ddedfa6f55f864
SSDEEP

3072:g6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:gZuX6pEaeEDheWa+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/1628-0-0x0000000074740000-0x0000000074775000-memory.dmp	dridex_ldr
behavioral1/memory/1628-3-0x0000000074740000-0x0000000074775000-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 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d8f3490d3e6746d48190e51df456dcd975cb6c758f3adcb6780353c4cbcf051.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d8f3490d3e6746d48190e51df456dcd975cb6c758f3adcb6780353c4cbcf051.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1628

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

Replay Monitor

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Downloads

memory/1628-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1628-0-0x0000000074740000-0x0000000074775000-memory.dmp

Filesize
212KB

Download
memory/1628-3-0x0000000074740000-0x0000000074775000-memory.dmp

Filesize
212KB

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