dridex | 684203a2255992e5f5bfc7941dc293a4d02ad1e854adfab54851c8fa86c47ab0

Analysis

max time kernel
76s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:03

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General

Target

JaffaCakes118_684203a2255992e5f5bfc7941dc293a4d02ad1e854adfab54851c8fa86c47ab0.dll
Size

204KB
MD5

e4c21a2f991881627acd5995d00a82ba
SHA1

7989b22ff989f5f7d8d2170afcef67e2b7c6875c
SHA256

684203a2255992e5f5bfc7941dc293a4d02ad1e854adfab54851c8fa86c47ab0
SHA512

b3b2db1a8d5d601fff99170f8d7587d38a8004ffd92688795b7b0a076540947b6ba3c27eee55c44f2e7fa8031018f274e508c5eb81401dd44a770fe388d15c62
SSDEEP

3072:a6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:aZuX6pEaeEDheWa+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/2204-1-0x0000000075550000-0x0000000075585000-memory.dmp	dridex_ldr
behavioral1/memory/2204-2-0x0000000075550000-0x0000000075585000-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 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_684203a2255992e5f5bfc7941dc293a4d02ad1e854adfab54851c8fa86c47ab0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_684203a2255992e5f5bfc7941dc293a4d02ad1e854adfab54851c8fa86c47ab0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2204

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/2204-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x0000000075550000-0x0000000075585000-memory.dmp

Filesize
212KB

Download
memory/2204-2-0x0000000075550000-0x0000000075585000-memory.dmp

Filesize
212KB

Download
memory/2204-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download