dridex | 5495832516044f256dfa4b38a1efee8d3d4eabec8680d1e15b8bac1bf3bb55c7

Analysis

max time kernel
127s
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 23:33

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General

Target

JaffaCakes118_5495832516044f256dfa4b38a1efee8d3d4eabec8680d1e15b8bac1bf3bb55c7.dll
Size

204KB
MD5

f0e9c34eeda3936c9b501117b6068311
SHA1

4ce5f44aee66504e71d29bcd8223431bec210ee9
SHA256

5495832516044f256dfa4b38a1efee8d3d4eabec8680d1e15b8bac1bf3bb55c7
SHA512

4aa69d5e5e0ab5d6a067d146c886ddf2d992d15b94544a3c19b7cbee702127fd4945dfe5d5b9a7d0c58e7641b79713bb73aed39d11c581660ac2f36fb5308904
SSDEEP

3072:66FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:6ZuX6pEaeEDheWa+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/2124-1-0x0000000074B60000-0x0000000074B95000-memory.dmp	dridex_ldr
behavioral1/memory/2124-2-0x0000000074B60000-0x0000000074B95000-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 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5495832516044f256dfa4b38a1efee8d3d4eabec8680d1e15b8bac1bf3bb55c7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5495832516044f256dfa4b38a1efee8d3d4eabec8680d1e15b8bac1bf3bb55c7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2124

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/2124-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2124-1-0x0000000074B60000-0x0000000074B95000-memory.dmp

Filesize
212KB

Download
memory/2124-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2124-2-0x0000000074B60000-0x0000000074B95000-memory.dmp

Filesize
212KB

Download