dridex | be77ba5c9c5497095e0898f328398fc9f54d0700c6dbf1c8d03232582ab42e31

Analysis

max time kernel
56s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:04

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General

Target

JaffaCakes118_be77ba5c9c5497095e0898f328398fc9f54d0700c6dbf1c8d03232582ab42e31.dll
Size

162KB
MD5

0744a3d3272e2d7140c01667c37ed477
SHA1

c15de6b6bef0e8bd0679393459341c9d579a9c57
SHA256

be77ba5c9c5497095e0898f328398fc9f54d0700c6dbf1c8d03232582ab42e31
SHA512

1cdf47f471f987d929ab3930d005f8a99abdcd618e66a4c90f57b060d5a8a7dc06745a5b1bd8c2a6666e74f908c2517044f80c974c51515c07ddc116b1a831bd
SSDEEP

3072:tmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:MLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/848-1-0x0000000074C80000-0x0000000074CAE000-memory.dmp	dridex_ldr
behavioral1/memory/848-4-0x0000000074C80000-0x0000000074CAE000-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 2656 wrote to memory of 848	2656	rundll32.exe	30
PID 2656 wrote to memory of 848	2656	rundll32.exe	30
PID 2656 wrote to memory of 848	2656	rundll32.exe	30
PID 2656 wrote to memory of 848	2656	rundll32.exe	30
PID 2656 wrote to memory of 848	2656	rundll32.exe	30
PID 2656 wrote to memory of 848	2656	rundll32.exe	30
PID 2656 wrote to memory of 848	2656	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be77ba5c9c5497095e0898f328398fc9f54d0700c6dbf1c8d03232582ab42e31.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be77ba5c9c5497095e0898f328398fc9f54d0700c6dbf1c8d03232582ab42e31.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:848

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/848-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/848-1-0x0000000074C80000-0x0000000074CAE000-memory.dmp

Filesize
184KB

Download
memory/848-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/848-4-0x0000000074C80000-0x0000000074CAE000-memory.dmp

Filesize
184KB

Download