dridex | bfb2d59ae53c9333b5bf271f8ecefec7b41e951dec6f9daa558b348efc2b0c49

Analysis

max time kernel
74s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 20:16

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General

Target

JaffaCakes118_bfb2d59ae53c9333b5bf271f8ecefec7b41e951dec6f9daa558b348efc2b0c49.dll
Size

204KB
MD5

762844475b06caa16e4575429ef5ba44
SHA1

67fa90321fc358079466ddfcb6f29bc800763b32
SHA256

bfb2d59ae53c9333b5bf271f8ecefec7b41e951dec6f9daa558b348efc2b0c49
SHA512

e2733cc5fabc600326bbe01b69a68fd1f9a2f87b96a9aa9d2801297fe7cbc39d31cd3b2ce0dca44c5cc3ffb3d08a55eb1210e607556f849b13aff81284da4761
SSDEEP

3072:D6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:DZuX6pEaeEDheWa+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
behavioral2/memory/3872-1-0x0000000075420000-0x0000000075455000-memory.dmp	dridex_ldr
behavioral2/memory/3872-4-0x0000000075420000-0x0000000075455000-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 3 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 3872	1488	rundll32.exe	83
PID 1488 wrote to memory of 3872	1488	rundll32.exe	83
PID 1488 wrote to memory of 3872	1488	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfb2d59ae53c9333b5bf271f8ecefec7b41e951dec6f9daa558b348efc2b0c49.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfb2d59ae53c9333b5bf271f8ecefec7b41e951dec6f9daa558b348efc2b0c49.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3872

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/3872-0-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/3872-1-0x0000000075420000-0x0000000075455000-memory.dmp

Filesize
212KB

Download
memory/3872-3-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/3872-4-0x0000000075420000-0x0000000075455000-memory.dmp

Filesize
212KB

Download