dridex | 7e1cf5487587df05a92ecf63ef975645d9ef8abce722798007e8f0f4c3021736

Analysis

max time kernel
77s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:09

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General

Target

JaffaCakes118_7e1cf5487587df05a92ecf63ef975645d9ef8abce722798007e8f0f4c3021736.dll
Size

204KB
MD5

909d7d6ba2218b60763f87e835f1229b
SHA1

553388dd2ae3fdffc8c17c0e1d9b709431d4b2a8
SHA256

7e1cf5487587df05a92ecf63ef975645d9ef8abce722798007e8f0f4c3021736
SHA512

6197241ad3ad2ef624a75e24b4428d9bf260b1f28a96171879265cfec0fea58a0f0c6b99338f201057f576cae997f409223e31ef66ce9413b05f6d3e7056c9f0
SSDEEP

3072:T6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:TZuX6pEaeEDheWa+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/1936-1-0x0000000074F90000-0x0000000074FC5000-memory.dmp	dridex_ldr
behavioral1/memory/1936-2-0x0000000074F90000-0x0000000074FC5000-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 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e1cf5487587df05a92ecf63ef975645d9ef8abce722798007e8f0f4c3021736.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e1cf5487587df05a92ecf63ef975645d9ef8abce722798007e8f0f4c3021736.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1936

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

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Downloads

memory/1936-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1936-1-0x0000000074F90000-0x0000000074FC5000-memory.dmp

Filesize
212KB

Download
memory/1936-2-0x0000000074F90000-0x0000000074FC5000-memory.dmp

Filesize
212KB

Download
memory/1936-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download