dridex | a9bffdb775be3ac4eaa571be93f76e994cf3382f2b1fa90690c0c0211ae0918b

Analysis

max time kernel
62s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:28

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General

Target

JaffaCakes118_a9bffdb775be3ac4eaa571be93f76e994cf3382f2b1fa90690c0c0211ae0918b.dll
Size

204KB
MD5

e3c4e946c71cc7038dfcc3d429c73aa8
SHA1

568d2e1e694388827fb3495e53405d54fa4885ca
SHA256

a9bffdb775be3ac4eaa571be93f76e994cf3382f2b1fa90690c0c0211ae0918b
SHA512

cf7aa7fe8ce03238f49b4d254874f4f0bed33c646fb51b732934d5d91de4a277b66acd411955ce6c37008004e6a39202d8d02c0f9ff20932c14e9ef9a15bb668
SSDEEP

3072:E6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:EZuX6pEaeEDheWa+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/1060-1-0x00000000752D0000-0x0000000075305000-memory.dmp	dridex_ldr
behavioral1/memory/1060-2-0x00000000752D0000-0x0000000075305000-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 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9bffdb775be3ac4eaa571be93f76e994cf3382f2b1fa90690c0c0211ae0918b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9bffdb775be3ac4eaa571be93f76e994cf3382f2b1fa90690c0c0211ae0918b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1060

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/1060-0-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/1060-1-0x00000000752D0000-0x0000000075305000-memory.dmp

Filesize
212KB

Download
memory/1060-2-0x00000000752D0000-0x0000000075305000-memory.dmp

Filesize
212KB

Download
memory/1060-3-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download