dridex | f125600a40f8fb2a59a2fed7ff57ea09ec8d092821d758fd642d6f315d32af0b

Analysis

max time kernel
76s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 19:20

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General

Target

JaffaCakes118_f125600a40f8fb2a59a2fed7ff57ea09ec8d092821d758fd642d6f315d32af0b.dll
Size

204KB
MD5

a8de97c9e57714dfbfff0e72b6570628
SHA1

4c94e1ffb818e6c809208ceed2272a77fefdde3c
SHA256

f125600a40f8fb2a59a2fed7ff57ea09ec8d092821d758fd642d6f315d32af0b
SHA512

31cfc7e860b2ce7541b391e0d123b926303499d53f03c6accfeb6329b7b9422adfa6bb2fd19b2ae25288f7e0aa28358d96ea848679d4e2044f3e22856412bda3
SSDEEP

3072:H6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:HZuX6pEaeEDheWa+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/1872-0-0x0000000074DD0000-0x0000000074E05000-memory.dmp	dridex_ldr
behavioral1/memory/1872-3-0x0000000074DD0000-0x0000000074E05000-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 1636 wrote to memory of 1872	1636	rundll32.exe	28
PID 1636 wrote to memory of 1872	1636	rundll32.exe	28
PID 1636 wrote to memory of 1872	1636	rundll32.exe	28
PID 1636 wrote to memory of 1872	1636	rundll32.exe	28
PID 1636 wrote to memory of 1872	1636	rundll32.exe	28
PID 1636 wrote to memory of 1872	1636	rundll32.exe	28
PID 1636 wrote to memory of 1872	1636	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f125600a40f8fb2a59a2fed7ff57ea09ec8d092821d758fd642d6f315d32af0b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f125600a40f8fb2a59a2fed7ff57ea09ec8d092821d758fd642d6f315d32af0b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1872

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/1872-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1872-0-0x0000000074DD0000-0x0000000074E05000-memory.dmp

Filesize
212KB

Download
memory/1872-3-0x0000000074DD0000-0x0000000074E05000-memory.dmp

Filesize
212KB

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