dridex | 73ef3f97671786f25207f49d4fc94c67d6d58f0b07ebf7e3d6fd3f2795416f67

Analysis

max time kernel
112s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:40

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General

Target

JaffaCakes118_73ef3f97671786f25207f49d4fc94c67d6d58f0b07ebf7e3d6fd3f2795416f67.dll
Size

204KB
MD5

72f60ea789c0ef81b065ca0da58363a8
SHA1

ee6dee7431860e6aeecbbc7c8fefe2a387f1572a
SHA256

73ef3f97671786f25207f49d4fc94c67d6d58f0b07ebf7e3d6fd3f2795416f67
SHA512

6a6249567da94b5da18019f90f1cc5d891e45ffde9f391df4bfcd404fd1c34bf9d108fbc8d57848b8161e857e5f52bd03a2befaf1e1acdf0bdd3ceec8132c81f
SSDEEP

3072:R6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:RZuX6pEaeEDheWa+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/2384-1-0x0000000074870000-0x00000000748A5000-memory.dmp	dridex_ldr
behavioral1/memory/2384-3-0x0000000074870000-0x00000000748A5000-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 1452 wrote to memory of 2384	1452	rundll32.exe	30
PID 1452 wrote to memory of 2384	1452	rundll32.exe	30
PID 1452 wrote to memory of 2384	1452	rundll32.exe	30
PID 1452 wrote to memory of 2384	1452	rundll32.exe	30
PID 1452 wrote to memory of 2384	1452	rundll32.exe	30
PID 1452 wrote to memory of 2384	1452	rundll32.exe	30
PID 1452 wrote to memory of 2384	1452	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ef3f97671786f25207f49d4fc94c67d6d58f0b07ebf7e3d6fd3f2795416f67.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ef3f97671786f25207f49d4fc94c67d6d58f0b07ebf7e3d6fd3f2795416f67.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2384

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/2384-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2384-1-0x0000000074870000-0x00000000748A5000-memory.dmp

Filesize
212KB

Download
memory/2384-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2384-3-0x0000000074870000-0x00000000748A5000-memory.dmp

Filesize
212KB

Download