dridex | b664b77b7f660828b1585fedefa92918b7a5d6c00228f942459238a9c2cdd47b

Analysis

max time kernel
94s
max time network
140s
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 16:10

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General

Target

b664b77b7f660828b1585fedefa92918b7a5d6c00228f942459238a9c2cdd47b.dll
Size

188KB
MD5

30e6e0ff5a20634d66fb4298151162e5
SHA1

abcc9f77721d1d57094d80e0f1a1db0d864323b4
SHA256

b664b77b7f660828b1585fedefa92918b7a5d6c00228f942459238a9c2cdd47b
SHA512

d4bb593b204ac474982c4b45398e0513653e14cf0ce96fffac2227d516caea89213f06d86718b4eb0350c9d4912459739843032396f11e1c6379db6497619d1e
SSDEEP

3072:lteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzq9qM:hq7fYIHBZkTB6DWruUCOwjt

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3208-1-0x0000000074B00000-0x0000000074B30000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4868	3208	WerFault.exe	82

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 1740 wrote to memory of 3208	1740	rundll32.exe	82
PID 1740 wrote to memory of 3208	1740	rundll32.exe	82
PID 1740 wrote to memory of 3208	1740	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b664b77b7f660828b1585fedefa92918b7a5d6c00228f942459238a9c2cdd47b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b664b77b7f660828b1585fedefa92918b7a5d6c00228f942459238a9c2cdd47b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 692
    3⤵
    - Program crash
    PID:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3208 -ip 3208
1⤵
PID:1980

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/3208-0-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3208-1-0x0000000074B00000-0x0000000074B30000-memory.dmp

Filesize
192KB

Download
memory/3208-3-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

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