dridex | 5c7a2910d5591993b3eb60be26db3d4beb32bc3d28321b920cfa05436e1d5106

Analysis

max time kernel
51s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 19:15

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General

Target

JaffaCakes118_5c7a2910d5591993b3eb60be26db3d4beb32bc3d28321b920cfa05436e1d5106.dll
Size

204KB
MD5

f99919b452853694fe7793ff07630b9c
SHA1

050229f92b973cd77dc2350c5fec345ee5cf2f11
SHA256

5c7a2910d5591993b3eb60be26db3d4beb32bc3d28321b920cfa05436e1d5106
SHA512

939a4be33170f5da77807afad28f05e6bb6782faee831fa576f4fa966059bd0d7e0e918444ffe07ebdb7f9be0af151a8964ff89cf36c8ae2803b383f6954f1ac
SSDEEP

3072:p6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:pZuX6pEaeEDheWa+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/2504-1-0x0000000074FE0000-0x0000000075015000-memory.dmp	dridex_ldr
behavioral1/memory/2504-4-0x0000000074FE0000-0x0000000075015000-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 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c7a2910d5591993b3eb60be26db3d4beb32bc3d28321b920cfa05436e1d5106.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c7a2910d5591993b3eb60be26db3d4beb32bc3d28321b920cfa05436e1d5106.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2504

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

Replay Monitor

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Downloads

memory/2504-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2504-1-0x0000000074FE0000-0x0000000075015000-memory.dmp

Filesize
212KB

Download
memory/2504-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2504-4-0x0000000074FE0000-0x0000000075015000-memory.dmp

Filesize
212KB

Download