dridex | 66e6646a4eafd298bf6a4b9065955cbad5332368d0ec3b799df9dd8e7b85030c

Analysis

max time kernel
61s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:38

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General

Target

JaffaCakes118_66e6646a4eafd298bf6a4b9065955cbad5332368d0ec3b799df9dd8e7b85030c.dll
Size

204KB
MD5

1fedb5ce98fa45cc69c5e726af7c713c
SHA1

3c678961e184ca8c7d7d589f919f7afaa2c86198
SHA256

66e6646a4eafd298bf6a4b9065955cbad5332368d0ec3b799df9dd8e7b85030c
SHA512

b2036b622d3604883d8a745c0d199ec949082c8ca0b07ed7fa73fb5e6632021baabafb820b58f491fbfd4a73d96c4ec6a50543dcb5703491d29d7bcc0950e384
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
behavioral1/memory/2772-1-0x0000000074E30000-0x0000000074E65000-memory.dmp	dridex_ldr
behavioral1/memory/2772-2-0x0000000074E30000-0x0000000074E65000-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 2776 wrote to memory of 2772	2776	rundll32.exe	31
PID 2776 wrote to memory of 2772	2776	rundll32.exe	31
PID 2776 wrote to memory of 2772	2776	rundll32.exe	31
PID 2776 wrote to memory of 2772	2776	rundll32.exe	31
PID 2776 wrote to memory of 2772	2776	rundll32.exe	31
PID 2776 wrote to memory of 2772	2776	rundll32.exe	31
PID 2776 wrote to memory of 2772	2776	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66e6646a4eafd298bf6a4b9065955cbad5332368d0ec3b799df9dd8e7b85030c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66e6646a4eafd298bf6a4b9065955cbad5332368d0ec3b799df9dd8e7b85030c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2772

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/2772-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2772-1-0x0000000074E30000-0x0000000074E65000-memory.dmp

Filesize
212KB

Download
memory/2772-2-0x0000000074E30000-0x0000000074E65000-memory.dmp

Filesize
212KB

Download
memory/2772-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download