dridex | f4fbebd95d1d357950c27dc179d07e38cd0b392642c7bf98403cc94db7545cc0

Analysis

max time kernel
51s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 21:14

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General

Target

JaffaCakes118_f4fbebd95d1d357950c27dc179d07e38cd0b392642c7bf98403cc94db7545cc0.dll
Size

204KB
MD5

16110b7c7beedee7d483769e6a402699
SHA1

fbe6c8c6ca69618b6d884482326d220d1034a1e9
SHA256

f4fbebd95d1d357950c27dc179d07e38cd0b392642c7bf98403cc94db7545cc0
SHA512

1a707fd1a1e6ec00168ce692963c22574565c4b8eb9fcdbfa782a5c4174354e8c8d78172974d6db8940d9566236807b41cd820a49b99f7df761c15cf28800478
SSDEEP

3072:O6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:OZuX6pEaeEDheWa+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/2172-1-0x0000000075290000-0x00000000752C5000-memory.dmp	dridex_ldr
behavioral1/memory/2172-2-0x0000000075290000-0x00000000752C5000-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 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4fbebd95d1d357950c27dc179d07e38cd0b392642c7bf98403cc94db7545cc0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4fbebd95d1d357950c27dc179d07e38cd0b392642c7bf98403cc94db7545cc0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2172

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/2172-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x0000000075290000-0x00000000752C5000-memory.dmp

Filesize
212KB

Download
memory/2172-2-0x0000000075290000-0x00000000752C5000-memory.dmp

Filesize
212KB

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