dridex | 7bd40f9cdf404506827c9d4048f4bc5a44b6d1ac9976d14c3ca677327689bedb

Analysis

max time kernel
130s
max time network
150s
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 21:56

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General

Target

JaffaCakes118_7bd40f9cdf404506827c9d4048f4bc5a44b6d1ac9976d14c3ca677327689bedb.dll
Size

204KB
MD5

83e6d61f264447df38a510bf9d28d622
SHA1

44ebb4ddd578eae99c05334094a4547572c2aec7
SHA256

7bd40f9cdf404506827c9d4048f4bc5a44b6d1ac9976d14c3ca677327689bedb
SHA512

d84d5e42df12112603295d133f49af802a43412c673518fdb0a4e85bfd5d21bee29061325e05316636b3ed17deece5ac8eb96d06720c2b7339afbf662b012ed8
SSDEEP

3072:k6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:kZuX6pEaeEDheWa+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/1608-1-0x0000000074F40000-0x0000000074F75000-memory.dmp	dridex_ldr
behavioral2/memory/1608-4-0x0000000074F40000-0x0000000074F75000-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 2752 wrote to memory of 1608	2752	rundll32.exe	83
PID 2752 wrote to memory of 1608	2752	rundll32.exe	83
PID 2752 wrote to memory of 1608	2752	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7bd40f9cdf404506827c9d4048f4bc5a44b6d1ac9976d14c3ca677327689bedb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7bd40f9cdf404506827c9d4048f4bc5a44b6d1ac9976d14c3ca677327689bedb.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1608

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/1608-0-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download
memory/1608-1-0x0000000074F40000-0x0000000074F75000-memory.dmp

Filesize
212KB

Download
memory/1608-3-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download
memory/1608-4-0x0000000074F40000-0x0000000074F75000-memory.dmp

Filesize
212KB

Download