dridex | b5afae8fb49cb06bb536350506ab98a758ad5b1c4f358285e366271acf8a6c11

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 17:56

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General

Target

b5afae8fb49cb06bb536350506ab98a758ad5b1c4f358285e366271acf8a6c11.dll
Size

161KB
MD5

210f83f24cf998d19e53f674b3d15143
SHA1

26b8470fa4c920db71ba710da293075dcda3cc38
SHA256

b5afae8fb49cb06bb536350506ab98a758ad5b1c4f358285e366271acf8a6c11
SHA512

a31d6c58d699f8687b4489fbaa3018abe9b759380ee194957b8062f63694938f1f19de70d64b9346bb90d609955e9dba9aa65d66a8c4b666e5da652dc5e428c8
SSDEEP

3072:njSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd28GkFY:jnS62Fl+pkeJl3CvRStrFl+EYN

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2628-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2628-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1712	2628	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 2372 wrote to memory of 2628	2372	rundll32.exe	30
PID 2372 wrote to memory of 2628	2372	rundll32.exe	30
PID 2372 wrote to memory of 2628	2372	rundll32.exe	30
PID 2372 wrote to memory of 2628	2372	rundll32.exe	30
PID 2372 wrote to memory of 2628	2372	rundll32.exe	30
PID 2372 wrote to memory of 2628	2372	rundll32.exe	30
PID 2372 wrote to memory of 2628	2372	rundll32.exe	30
PID 2628 wrote to memory of 1712	2628	rundll32.exe	32
PID 2628 wrote to memory of 1712	2628	rundll32.exe	32
PID 2628 wrote to memory of 1712	2628	rundll32.exe	32
PID 2628 wrote to memory of 1712	2628	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5afae8fb49cb06bb536350506ab98a758ad5b1c4f358285e366271acf8a6c11.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5afae8fb49cb06bb536350506ab98a758ad5b1c4f358285e366271acf8a6c11.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 256
    3⤵
    - Program crash
    PID:1712

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

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Downloads

memory/2628-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2628-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2628-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2628-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download