dridex | ac1f7fa8d496399a0762c19f94774bee8e4bf5ba86d328fccc959e894dd71f29

Analysis

max time kernel
93s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 17:06

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General

Target

ac1f7fa8d496399a0762c19f94774bee8e4bf5ba86d328fccc959e894dd71f29.dll
Size

184KB
MD5

9e3a0d9622645de887362b95e49b983d
SHA1

81a8734b0744fcc6de1c94af5328b3e41a1fc911
SHA256

ac1f7fa8d496399a0762c19f94774bee8e4bf5ba86d328fccc959e894dd71f29
SHA512

9675867f6f6dbf838e79fb5810a1af8ad104edbcd8ec5dc66479999fcb6e8297b83dad2d18e9a7dac69a2efba682518ea5cc322507b3741b297514121476940f
SSDEEP

3072:PiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoilzoxss7:PiLVCIT4WK2z1W+CUHZj4Skq/eaoIoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3996-1-0x0000000074940000-0x000000007496F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4336	3996	WerFault.exe	84

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 4180 wrote to memory of 3996	4180	rundll32.exe	84
PID 4180 wrote to memory of 3996	4180	rundll32.exe	84
PID 4180 wrote to memory of 3996	4180	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac1f7fa8d496399a0762c19f94774bee8e4bf5ba86d328fccc959e894dd71f29.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac1f7fa8d496399a0762c19f94774bee8e4bf5ba86d328fccc959e894dd71f29.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 616
    3⤵
    - Program crash
    PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3996 -ip 3996
1⤵
PID:888

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/3996-0-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download
memory/3996-1-0x0000000074940000-0x000000007496F000-memory.dmp

Filesize
188KB

Download
memory/3996-3-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download