dridex | e261ce766ef3a3b47a135b4b653f25af0114d0f5c5895bd75a6b1397575dde33

Analysis

max time kernel
89s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 12:29

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General

Target

e261ce766ef3a3b47a135b4b653f25af0114d0f5c5895bd75a6b1397575dde33.dll
Size

180KB
MD5

c26b63f9606d44c8ab84781c6b30c102
SHA1

273ebf871afdf9dfb387c979e25a94a75975d5f8
SHA256

e261ce766ef3a3b47a135b4b653f25af0114d0f5c5895bd75a6b1397575dde33
SHA512

c169c1e18d9a6e74f94470aacc4c27c381757b00484dc3a9360737db9cf62a63a6d9f39f7574332eb2617612b157217b8b6f9bb0442eb19f22874bc970c37531
SSDEEP

3072:93U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:dUZYxfM8+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/3252-1-0x0000000074AE0000-0x0000000074B0E000-memory.dmp	dridex_ldr
behavioral2/memory/3252-2-0x0000000074AE0000-0x0000000074B0E000-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 728 wrote to memory of 3252	728	rundll32.exe	rundll32.exe
PID 728 wrote to memory of 3252	728	rundll32.exe	rundll32.exe
PID 728 wrote to memory of 3252	728	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e261ce766ef3a3b47a135b4b653f25af0114d0f5c5895bd75a6b1397575dde33.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e261ce766ef3a3b47a135b4b653f25af0114d0f5c5895bd75a6b1397575dde33.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3252

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

Replay Monitor

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Downloads

memory/3252-0-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

Filesize
24KB

Download
memory/3252-1-0x0000000074AE0000-0x0000000074B0E000-memory.dmp

Filesize
184KB

Download
memory/3252-3-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

Filesize
24KB

Download
memory/3252-2-0x0000000074AE0000-0x0000000074B0E000-memory.dmp

Filesize
184KB

Download