dridex | 8749b702d2813d99cb646c95cdba5d16d6db3935bd0fb2937b05f236b11ddc86

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 15:13

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General

Target

1e17587f6bb4313f690eda29aa7005d0N.dll
Size

188KB
MD5

1e17587f6bb4313f690eda29aa7005d0
SHA1

0c88a5555b67d405b7f22845367eec81b4df3ec2
SHA256

8749b702d2813d99cb646c95cdba5d16d6db3935bd0fb2937b05f236b11ddc86
SHA512

25539da5e2c989b2eef71096a1363db20b524571701cca5d158f038b720f43d45f4ff44492969def06ad1cdcf3cfd68aa88e30e2ff9d271e7a501c1ad97fbe99
SSDEEP

3072:0teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzf9qM:Iq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1684-0-0x0000000074DE0000-0x0000000074E10000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3028	1684	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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 1680 wrote to memory of 1684	1680	rundll32.exe	30
PID 1680 wrote to memory of 1684	1680	rundll32.exe	30
PID 1680 wrote to memory of 1684	1680	rundll32.exe	30
PID 1680 wrote to memory of 1684	1680	rundll32.exe	30
PID 1680 wrote to memory of 1684	1680	rundll32.exe	30
PID 1680 wrote to memory of 1684	1680	rundll32.exe	30
PID 1680 wrote to memory of 1684	1680	rundll32.exe	30
PID 1684 wrote to memory of 3028	1684	rundll32.exe	31
PID 1684 wrote to memory of 3028	1684	rundll32.exe	31
PID 1684 wrote to memory of 3028	1684	rundll32.exe	31
PID 1684 wrote to memory of 3028	1684	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1e17587f6bb4313f690eda29aa7005d0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1e17587f6bb4313f690eda29aa7005d0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 300
    3⤵
    - Program crash
    PID:3028

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/1684-0-0x0000000074DE0000-0x0000000074E10000-memory.dmp

Filesize
192KB

Download
memory/1684-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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