dridex | b1fb2918615fed29623e1d62b5fe081e159de78285671456c6e27632cb697d31

Analysis

max time kernel
93s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 23:08

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General

Target

JaffaCakes118_b1fb2918615fed29623e1d62b5fe081e159de78285671456c6e27632cb697d31.dll
Size

184KB
MD5

e6d42ff910acdd61a8464c48ce736939
SHA1

7137ff5b2e412898f042dc3b6fa98cc971afcdca
SHA256

b1fb2918615fed29623e1d62b5fe081e159de78285671456c6e27632cb697d31
SHA512

7011b91c3a1817ee8a14a65ac521ab69664530c866383838149d5917e92618232a9f1c317661b8fc00254b9743fbe4561ee681b6d5b782c0fe3f5fcd029a5357
SSDEEP

3072:QJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JJa//2uFrSc:tfYOX+wTScR/Xzku9LVwuuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3504-0-0x00000000758E0000-0x000000007590F000-memory.dmp	dridex_ldr
behavioral2/memory/3504-3-0x00000000758E0000-0x000000007590F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2672	3504	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 4428 wrote to memory of 3504	4428	rundll32.exe	82
PID 4428 wrote to memory of 3504	4428	rundll32.exe	82
PID 4428 wrote to memory of 3504	4428	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1fb2918615fed29623e1d62b5fe081e159de78285671456c6e27632cb697d31.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1fb2918615fed29623e1d62b5fe081e159de78285671456c6e27632cb697d31.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 624
    3⤵
    - Program crash
    PID:2672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3504 -ip 3504
1⤵
PID:2216

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/3504-0-0x00000000758E0000-0x000000007590F000-memory.dmp

Filesize
188KB

Download
memory/3504-2-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3504-3-0x00000000758E0000-0x000000007590F000-memory.dmp

Filesize
188KB

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