dridex | a74c051db79bb38a846290aaa522de391682bebd4322cf4d5feb58e4cca63f61

Analysis

max time kernel
95s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2024, 10:58

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General

Target

JaffaCakes118_a74c051db79bb38a846290aaa522de391682bebd4322cf4d5feb58e4cca63f61.dll
Size

184KB
MD5

13efba28e59f8a3d8d80a90c26458d23
SHA1

5dd5ba62a9ff654e9379ee0f4a847b0c83ffbce7
SHA256

a74c051db79bb38a846290aaa522de391682bebd4322cf4d5feb58e4cca63f61
SHA512

db43f1b301f8cbb58c555c27d226313573103fc4daa2245d7e790894990b9add56fa64f6d1e752762bf3a3bfcf7a67b80bf3f77ff47b5519048a4faaa0d9b2fa
SSDEEP

3072:sJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JDa//2uFrSc:RfYOX+wTScR/Xzku9LVwMuG

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/3436-1-0x0000000075220000-0x000000007524F000-memory.dmp	dridex_ldr
behavioral2/memory/3436-2-0x0000000075220000-0x000000007524F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	3436	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 1008 wrote to memory of 3436	1008	rundll32.exe	82
PID 1008 wrote to memory of 3436	1008	rundll32.exe	82
PID 1008 wrote to memory of 3436	1008	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a74c051db79bb38a846290aaa522de391682bebd4322cf4d5feb58e4cca63f61.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a74c051db79bb38a846290aaa522de391682bebd4322cf4d5feb58e4cca63f61.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 620
    3⤵
    - Program crash
    PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3436 -ip 3436
1⤵
PID:1436

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/3436-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x0000000075220000-0x000000007524F000-memory.dmp

Filesize
188KB

Download
memory/3436-3-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000075220000-0x000000007524F000-memory.dmp

Filesize
188KB

Download