dridex | 65237558731fcd1d0b228ce4c0605b766a8e0b13ffde16e7820145133be5168a

Analysis

max time kernel
112s
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 20:12

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General

Target

JaffaCakes118_65237558731fcd1d0b228ce4c0605b766a8e0b13ffde16e7820145133be5168a.dll
Size

204KB
MD5

bd61b8fa3ddde1741e8e743211492ffe
SHA1

81a9a5976386639d51514f6d405da7c31bbc5ce9
SHA256

65237558731fcd1d0b228ce4c0605b766a8e0b13ffde16e7820145133be5168a
SHA512

19971dcd25217778d9f6e7ff6f97c6f66dc6f9ca78a2fd1b7f2c282662271023be0107ad710fa06c675cf8b7d865ef691e944b186e9fff7dc73d100151540e0a
SSDEEP

3072:q6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:qZuX6pEaeEDheWa+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/3020-1-0x0000000074C20000-0x0000000074C55000-memory.dmp	dridex_ldr
behavioral1/memory/3020-2-0x0000000074C20000-0x0000000074C55000-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 2124 wrote to memory of 3020	2124	rundll32.exe	31
PID 2124 wrote to memory of 3020	2124	rundll32.exe	31
PID 2124 wrote to memory of 3020	2124	rundll32.exe	31
PID 2124 wrote to memory of 3020	2124	rundll32.exe	31
PID 2124 wrote to memory of 3020	2124	rundll32.exe	31
PID 2124 wrote to memory of 3020	2124	rundll32.exe	31
PID 2124 wrote to memory of 3020	2124	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65237558731fcd1d0b228ce4c0605b766a8e0b13ffde16e7820145133be5168a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65237558731fcd1d0b228ce4c0605b766a8e0b13ffde16e7820145133be5168a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3020

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/3020-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000074C20000-0x0000000074C55000-memory.dmp

Filesize
212KB

Download
memory/3020-2-0x0000000074C20000-0x0000000074C55000-memory.dmp

Filesize
212KB

Download
memory/3020-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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