dridex | eba2816f46f122cfef7f6fa6d78db92126130a2728ce4e38a3af59e1eda3e897

Analysis

max time kernel
110s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 17:55

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General

Target

7da42bc39ed079e347790c99b4a4a600N.dll
Size

184KB
MD5

7da42bc39ed079e347790c99b4a4a600
SHA1

73d9ef64f68f3d66ab54d564f72a58e1aaa8fd7b
SHA256

eba2816f46f122cfef7f6fa6d78db92126130a2728ce4e38a3af59e1eda3e897
SHA512

07c51dd4e84befcf2812ef9df5f2af19b7b422ada267f0594206ce43eeb9b7563741f7feaefbf841081e0785fdf57b36abad601222060d18e8df2727c28630f8
SSDEEP

3072:h92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMT7rLA:h9NSMOEpQ1Q3ODAr+V7

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/4792-1-0x0000000074F30000-0x0000000074F5F000-memory.dmp	dridex_ldr
behavioral2/memory/4792-2-0x0000000074F30000-0x0000000074F5F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4428	4792	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

Processes:

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	procid_target
PID 2208 wrote to memory of 4792	2208	rundll32.exe	84
PID 2208 wrote to memory of 4792	2208	rundll32.exe	84
PID 2208 wrote to memory of 4792	2208	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7da42bc39ed079e347790c99b4a4a600N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7da42bc39ed079e347790c99b4a4a600N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 620
    3⤵
    - Program crash
    PID:4428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4792 -ip 4792
1⤵
PID:2408

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/4792-0-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/4792-1-0x0000000074F30000-0x0000000074F5F000-memory.dmp

Filesize
188KB

Download
memory/4792-2-0x0000000074F30000-0x0000000074F5F000-memory.dmp

Filesize
188KB

Download
memory/4792-3-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download