dridex | 9a733994c325d2624b6750e563dcb55df0b0224dcd53cf9a6cac5ddd3426d937

Analysis

max time kernel
112s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 18:26

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General

Target

JaffaCakes118_9a733994c325d2624b6750e563dcb55df0b0224dcd53cf9a6cac5ddd3426d937.dll
Size

204KB
MD5

7ea529bf9ce91a155f9cc37852d774bc
SHA1

d122e012c1060ff720bab62c7f134e22bc32bb1e
SHA256

9a733994c325d2624b6750e563dcb55df0b0224dcd53cf9a6cac5ddd3426d937
SHA512

b74186b990ddb96fd5b9dc0bd0e28dfc755bf4bc7a559c65ea2c69e56d74fe8df32c76ac757a139fc4316a35e173ce7da0865b5c34f877c31123e818955c0f26
SSDEEP

3072:r6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:rZuX6pEaeEDheWa+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
behavioral2/memory/436-1-0x00000000758E0000-0x0000000075915000-memory.dmp	dridex_ldr
behavioral2/memory/436-2-0x00000000758E0000-0x0000000075915000-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 3 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 436	4988	rundll32.exe	82
PID 4988 wrote to memory of 436	4988	rundll32.exe	82
PID 4988 wrote to memory of 436	4988	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a733994c325d2624b6750e563dcb55df0b0224dcd53cf9a6cac5ddd3426d937.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a733994c325d2624b6750e563dcb55df0b0224dcd53cf9a6cac5ddd3426d937.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:436

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/436-0-0x0000000001090000-0x0000000001096000-memory.dmp

Filesize
24KB

Download
memory/436-1-0x00000000758E0000-0x0000000075915000-memory.dmp

Filesize
212KB

Download
memory/436-2-0x00000000758E0000-0x0000000075915000-memory.dmp

Filesize
212KB

Download
memory/436-3-0x0000000001090000-0x0000000001096000-memory.dmp

Filesize
24KB

Download