dridex | a680529e2242817a942b40324d642939c4b08298d0fd9ed8e1a24b3d79f8bf10

Analysis

max time kernel
71s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:07

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General

Target

JaffaCakes118_a680529e2242817a942b40324d642939c4b08298d0fd9ed8e1a24b3d79f8bf10.dll
Size

204KB
MD5

3f9e5469e7caa23647afae939443ffbc
SHA1

5c9bf34b023e9ddcc33c2dc9d7a63e3e35f941f5
SHA256

a680529e2242817a942b40324d642939c4b08298d0fd9ed8e1a24b3d79f8bf10
SHA512

9600f2821ecbf96e8284fdf8cd1b43b1d7c65f5661bbf79e81d92c32833f52b8c41771b8f6d8980c690f3ad147be1a9d93af6fb15f419508de447b2a06ba5be8
SSDEEP

3072:+6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:+ZuX6pEaeEDheWa+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/3016-1-0x0000000075310000-0x0000000075345000-memory.dmp	dridex_ldr
behavioral1/memory/3016-2-0x0000000075310000-0x0000000075345000-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 2500 wrote to memory of 3016	2500	rundll32.exe	30
PID 2500 wrote to memory of 3016	2500	rundll32.exe	30
PID 2500 wrote to memory of 3016	2500	rundll32.exe	30
PID 2500 wrote to memory of 3016	2500	rundll32.exe	30
PID 2500 wrote to memory of 3016	2500	rundll32.exe	30
PID 2500 wrote to memory of 3016	2500	rundll32.exe	30
PID 2500 wrote to memory of 3016	2500	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a680529e2242817a942b40324d642939c4b08298d0fd9ed8e1a24b3d79f8bf10.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a680529e2242817a942b40324d642939c4b08298d0fd9ed8e1a24b3d79f8bf10.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3016

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/3016-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/3016-1-0x0000000075310000-0x0000000075345000-memory.dmp

Filesize
212KB

Download
memory/3016-2-0x0000000075310000-0x0000000075345000-memory.dmp

Filesize
212KB

Download
memory/3016-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download