dridex | a6f9852169c6a9df376270ebd71c8c72275b2410b654d1c0387ec2925d0e5705

Analysis

max time kernel
60s
max time network
146s
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, 19:15

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General

Target

JaffaCakes118_a6f9852169c6a9df376270ebd71c8c72275b2410b654d1c0387ec2925d0e5705.dll
Size

204KB
MD5

f94a130cdbbc735f6f26d63b98dfb68b
SHA1

12a5bebccc42bb99da90b549985f5d31cc8b93b3
SHA256

a6f9852169c6a9df376270ebd71c8c72275b2410b654d1c0387ec2925d0e5705
SHA512

fc3c4278c6a7dc381dcc6680a07601041f0897d2fa5685dc9664176cb3cf60adad270825f6e140c425d8eb2dc6daae5dc3615ab9ed60f3158191503b1b72f2bf
SSDEEP

3072:06FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:0ZuX6pEaeEDheWa+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/4984-1-0x0000000074950000-0x0000000074985000-memory.dmp	dridex_ldr
behavioral2/memory/4984-4-0x0000000074950000-0x0000000074985000-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 336 wrote to memory of 4984	336	rundll32.exe	83
PID 336 wrote to memory of 4984	336	rundll32.exe	83
PID 336 wrote to memory of 4984	336	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6f9852169c6a9df376270ebd71c8c72275b2410b654d1c0387ec2925d0e5705.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6f9852169c6a9df376270ebd71c8c72275b2410b654d1c0387ec2925d0e5705.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4984

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/4984-0-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/4984-1-0x0000000074950000-0x0000000074985000-memory.dmp

Filesize
212KB

Download
memory/4984-3-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/4984-4-0x0000000074950000-0x0000000074985000-memory.dmp

Filesize
212KB

Download