dridex | 4f34aadb4761198f28a492f77215142623f73eb4f9cfd9652225ebcfd286a878

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:21

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General

Target

JaffaCakes118_4f34aadb4761198f28a492f77215142623f73eb4f9cfd9652225ebcfd286a878.dll
Size

184KB
MD5

71ef317381529dcc0dfdafb628acdb94
SHA1

74e577cf77efe7bee52671065286d2f389b02714
SHA256

4f34aadb4761198f28a492f77215142623f73eb4f9cfd9652225ebcfd286a878
SHA512

b2aff7dd3aa956ac8bf623b0e3bde6c3a57f9c887cc21658a944bc856315557002f3ff9a4e4ee4c9e291bd2a835546a2437e2c6b5b6213f840ae050b27d09fb3
SSDEEP

3072:uJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JNa//2uFrSc:XfYOX+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
behavioral1/memory/2348-1-0x0000000074530000-0x000000007455F000-memory.dmp	dridex_ldr
behavioral1/memory/2348-2-0x0000000074530000-0x000000007455F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
592	2348	WerFault.exe	31

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 784 wrote to memory of 2348	784	rundll32.exe	31
PID 784 wrote to memory of 2348	784	rundll32.exe	31
PID 784 wrote to memory of 2348	784	rundll32.exe	31
PID 784 wrote to memory of 2348	784	rundll32.exe	31
PID 784 wrote to memory of 2348	784	rundll32.exe	31
PID 784 wrote to memory of 2348	784	rundll32.exe	31
PID 784 wrote to memory of 2348	784	rundll32.exe	31
PID 2348 wrote to memory of 592	2348	rundll32.exe	32
PID 2348 wrote to memory of 592	2348	rundll32.exe	32
PID 2348 wrote to memory of 592	2348	rundll32.exe	32
PID 2348 wrote to memory of 592	2348	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f34aadb4761198f28a492f77215142623f73eb4f9cfd9652225ebcfd286a878.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f34aadb4761198f28a492f77215142623f73eb4f9cfd9652225ebcfd286a878.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 220
    3⤵
    - Program crash
    PID:592

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

Replay Monitor

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Downloads

memory/2348-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2348-1-0x0000000074530000-0x000000007455F000-memory.dmp

Filesize
188KB

Download
memory/2348-2-0x0000000074530000-0x000000007455F000-memory.dmp

Filesize
188KB

Download
memory/2348-3-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download