dridex | 0ffd41cea7b06c2f0d26fd540a962fe8a51f570837afe5b2e1afb3c5ba7d5b39

Analysis

max time kernel
68s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 19:53

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General

Target

0ffd41cea7b06c2f0d26fd540a962fe8a51f570837afe5b2e1afb3c5ba7d5b39.dll
Size

180KB
MD5

cb49a07ddaedb68ceed664833fd0fc15
SHA1

a49ba3ba0379f14f4043f0a314ebb045a27d598e
SHA256

0ffd41cea7b06c2f0d26fd540a962fe8a51f570837afe5b2e1afb3c5ba7d5b39
SHA512

133622ce38bd9a101b7e5f6dd0ae780839d8f775d2d13afddb60b1cfe20536d0b13e651687bd05a9efb53f3b0f517b897af8b59839e63ca174b700ef169f0477
SSDEEP

3072:K3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:uUZYxfM8+YXfq+SOxTxjipQjzk3

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

94.126.8.2:443

81.2.235.131:1688

178.63.156.139:3388

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/380-1-0x0000000074DC0000-0x0000000074DEE000-memory.dmp	dridex_ldr
behavioral2/memory/380-2-0x0000000074DC0000-0x0000000074DEE000-memory.dmp	dridex_ldr

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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4916 wrote to memory of 380	4916	rundll32.exe	rundll32.exe
PID 4916 wrote to memory of 380	4916	rundll32.exe	rundll32.exe
PID 4916 wrote to memory of 380	4916	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ffd41cea7b06c2f0d26fd540a962fe8a51f570837afe5b2e1afb3c5ba7d5b39.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ffd41cea7b06c2f0d26fd540a962fe8a51f570837afe5b2e1afb3c5ba7d5b39.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/380-0-0x00000000013A0000-0x00000000013A6000-memory.dmp

Filesize
24KB

Download
memory/380-1-0x0000000074DC0000-0x0000000074DEE000-memory.dmp

Filesize
184KB

Download
memory/380-3-0x00000000013A0000-0x00000000013A6000-memory.dmp

Filesize
24KB

Download
memory/380-2-0x0000000074DC0000-0x0000000074DEE000-memory.dmp

Filesize
184KB

Download