dridex | 5ed7ac3a2922e4471fa8df13103daed68abc9c4296628a7cc8f7623c609de9bd

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 17:47

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General

Target

JaffaCakes118_5ed7ac3a2922e4471fa8df13103daed68abc9c4296628a7cc8f7623c609de9bd.dll
Size

161KB
MD5

24cb8f6b2ffed7262e7e98968a17d6a5
SHA1

a9ad8740918dab3ac19ad448c2c9c8e435a62dd2
SHA256

5ed7ac3a2922e4471fa8df13103daed68abc9c4296628a7cc8f7623c609de9bd
SHA512

5550ee7058c1e91ca14be68ab8240150ef29217b1eeac580c22e9406813222661b1901a9f45779fa657b4192ab56d061989c3f87de337935b5d19d36af2e03e1
SSDEEP

3072:5tSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2TGkFY:znS62Fl+pkeJl3CvRStrFl+EYi

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 3 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1700-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1700-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1700-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	1700	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 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1700 wrote to memory of 2404	1700	rundll32.exe	31
PID 1700 wrote to memory of 2404	1700	rundll32.exe	31
PID 1700 wrote to memory of 2404	1700	rundll32.exe	31
PID 1700 wrote to memory of 2404	1700	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ed7ac3a2922e4471fa8df13103daed68abc9c4296628a7cc8f7623c609de9bd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ed7ac3a2922e4471fa8df13103daed68abc9c4296628a7cc8f7623c609de9bd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 256
    3⤵
    - Program crash
    PID:2404

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/1700-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1700-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1700-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1700-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download