dridex | 31b6a3060085302895c78fb8923ceafaa014aeb9975426f7da4ec1f2ffe6717b

Analysis

max time kernel
60s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:01

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General

Target

JaffaCakes118_31b6a3060085302895c78fb8923ceafaa014aeb9975426f7da4ec1f2ffe6717b.dll
Size

154KB
MD5

4f6d4f4a48b006f5ae66ba9afd3145b8
SHA1

6bd621575d9f1680826fd07d5060e97aa6bbf307
SHA256

31b6a3060085302895c78fb8923ceafaa014aeb9975426f7da4ec1f2ffe6717b
SHA512

294dec7414b067fff8ac12b6984b271f7359ad9bf778282e83664daefc84787c43891c5ad93288c0605f88093fb2a039a04a7c559ecfc0553f778541410f0b47
SSDEEP

3072:cZ+9Q25AHEf/2gUU7uZAOCIB0IgESXZyX/sS5eqLrNWBC:fQeVf/2gUU76rDeIgESXZmYYa

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/2772-1-0x0000000074540000-0x000000007456D000-memory.dmp	dridex_ldr
behavioral1/memory/2772-2-0x0000000074540000-0x000000007456D000-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 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31b6a3060085302895c78fb8923ceafaa014aeb9975426f7da4ec1f2ffe6717b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31b6a3060085302895c78fb8923ceafaa014aeb9975426f7da4ec1f2ffe6717b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2772

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/2772-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2772-1-0x0000000074540000-0x000000007456D000-memory.dmp

Filesize
180KB

Download
memory/2772-2-0x0000000074540000-0x000000007456D000-memory.dmp

Filesize
180KB

Download
memory/2772-3-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download