dridex | 678b91749a435d788e864da0924add5c9dad57b375aafc49f2653a448b08c83f

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 19:59

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General

Target

JaffaCakes118_678b91749a435d788e864da0924add5c9dad57b375aafc49f2653a448b08c83f.dll
Size

161KB
MD5

5929f9c912ca78dae7d05b1441a2995b
SHA1

c35a5a755edad16554da450279fd7bbc7bc2a020
SHA256

678b91749a435d788e864da0924add5c9dad57b375aafc49f2653a448b08c83f
SHA512

640548170ccd3d3b752b00e98c8765362851af109b7bc9c80b6c8ad0131a4a5bef6aaa6a1843d772cd69b8ecd870ebb51ba5277dd4e0cff38348792faa15b268
SSDEEP

3072:qtSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2TGkFY:UnS62Fl+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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1704-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1704-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1940	1704	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 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 1704 wrote to memory of 1940	1704	rundll32.exe	31
PID 1704 wrote to memory of 1940	1704	rundll32.exe	31
PID 1704 wrote to memory of 1940	1704	rundll32.exe	31
PID 1704 wrote to memory of 1940	1704	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_678b91749a435d788e864da0924add5c9dad57b375aafc49f2653a448b08c83f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_678b91749a435d788e864da0924add5c9dad57b375aafc49f2653a448b08c83f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 256
    3⤵
    - Program crash
    PID:1940

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/1704-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1704-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1704-3-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1704-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download