dridex | 35f42905f801245c1a1a6eaae29fac5a0129c9c0cfd4cd19a0aba5854bd11dcf

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 02:02

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General

Target

a160b77d77017cc06f4aab8fcc2fdc20N.dll
Size

184KB
MD5

a160b77d77017cc06f4aab8fcc2fdc20
SHA1

0bdcd9b6fea10563a54154688c83c0796cbe6d1c
SHA256

35f42905f801245c1a1a6eaae29fac5a0129c9c0cfd4cd19a0aba5854bd11dcf
SHA512

9ac357f2e1115c027bcc833033fa4bf016235b03e74383d5284d5ff28fe05d35850850ef4d47f110b2cfa84ad2817f39f4070dccbd69e2d814693409a77e97fd
SSDEEP

3072:QW8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmuWx9ixCH0u:78qh+66QsRdNiBW/06ngmuWexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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

resource	yara_rule
behavioral1/memory/2196-0-0x00000000747B0000-0x00000000747E0000-memory.dmp	dridex_ldr
behavioral1/memory/2196-2-0x00000000747B0000-0x00000000747E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2708	2196	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2196	1620	rundll32.exe	30
PID 1620 wrote to memory of 2196	1620	rundll32.exe	30
PID 1620 wrote to memory of 2196	1620	rundll32.exe	30
PID 1620 wrote to memory of 2196	1620	rundll32.exe	30
PID 1620 wrote to memory of 2196	1620	rundll32.exe	30
PID 1620 wrote to memory of 2196	1620	rundll32.exe	30
PID 1620 wrote to memory of 2196	1620	rundll32.exe	30
PID 2196 wrote to memory of 2708	2196	rundll32.exe	31
PID 2196 wrote to memory of 2708	2196	rundll32.exe	31
PID 2196 wrote to memory of 2708	2196	rundll32.exe	31
PID 2196 wrote to memory of 2708	2196	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a160b77d77017cc06f4aab8fcc2fdc20N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a160b77d77017cc06f4aab8fcc2fdc20N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 220
    3⤵
    - Program crash
    PID:2708

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/2196-0-0x00000000747B0000-0x00000000747E0000-memory.dmp

Filesize
192KB

Download
memory/2196-1-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2196-2-0x00000000747B0000-0x00000000747E0000-memory.dmp

Filesize
192KB

Download