dridex | 85507121d4b6954b431fec2233e65fa8e5c2d7940e5c11eb66300eb06b6655a0

Analysis

max time kernel
59s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 05:15

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General

Target

JaffaCakes118_85507121d4b6954b431fec2233e65fa8e5c2d7940e5c11eb66300eb06b6655a0.dll
Size

204KB
MD5

1dcc2dcc8e9b62ffaf8a84d964b8f4d4
SHA1

64375e544af790ac27e933f0dc455ccc536b9221
SHA256

85507121d4b6954b431fec2233e65fa8e5c2d7940e5c11eb66300eb06b6655a0
SHA512

c2385f807de5e43a4752865458eb5fbc8af705ec459bcb81be5d75f3d973223a654cf0f6a154d11e35994df135eb7ba7eee208cbbc6504651044f72457a6ed7c
SSDEEP

3072:Y6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:YZuX6pEaeEDheWa+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/2436-1-0x0000000074B90000-0x0000000074BC5000-memory.dmp	dridex_ldr
behavioral1/memory/2436-2-0x0000000074B90000-0x0000000074BC5000-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 2844 wrote to memory of 2436	2844	rundll32.exe	31
PID 2844 wrote to memory of 2436	2844	rundll32.exe	31
PID 2844 wrote to memory of 2436	2844	rundll32.exe	31
PID 2844 wrote to memory of 2436	2844	rundll32.exe	31
PID 2844 wrote to memory of 2436	2844	rundll32.exe	31
PID 2844 wrote to memory of 2436	2844	rundll32.exe	31
PID 2844 wrote to memory of 2436	2844	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85507121d4b6954b431fec2233e65fa8e5c2d7940e5c11eb66300eb06b6655a0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85507121d4b6954b431fec2233e65fa8e5c2d7940e5c11eb66300eb06b6655a0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2436

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/2436-0-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2436-1-0x0000000074B90000-0x0000000074BC5000-memory.dmp

Filesize
212KB

Download
memory/2436-3-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2436-2-0x0000000074B90000-0x0000000074BC5000-memory.dmp

Filesize
212KB

Download