dridex | a8def52457ed0393ce66c1defd143ab2bfb2c700eb18781cb8569405d6e52bdb

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 03:17

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General

Target

JaffaCakes118_a8def52457ed0393ce66c1defd143ab2bfb2c700eb18781cb8569405d6e52bdb.dll
Size

184KB
MD5

9117716161bcf49fda5df628ca1b473c
SHA1

19779d13bd311f41669daa6c349f864e25166c41
SHA256

a8def52457ed0393ce66c1defd143ab2bfb2c700eb18781cb8569405d6e52bdb
SHA512

0250daee08addc64cff84472ff3de3ba886d6eb97221772ed31aca876503d23533ad1c6b6e8c58ac58b2b82b442664ddf18f973b24d11da42a502e68d02c9396
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jra//2uFrSc:mfYOX+wTScR/Xzku9LVwguG

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/1956-1-0x0000000074C80000-0x0000000074CAF000-memory.dmp	dridex_ldr
behavioral1/memory/1956-2-0x0000000074C80000-0x0000000074CAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2536	1956	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 3064 wrote to memory of 1956	3064	rundll32.exe	30
PID 3064 wrote to memory of 1956	3064	rundll32.exe	30
PID 3064 wrote to memory of 1956	3064	rundll32.exe	30
PID 3064 wrote to memory of 1956	3064	rundll32.exe	30
PID 3064 wrote to memory of 1956	3064	rundll32.exe	30
PID 3064 wrote to memory of 1956	3064	rundll32.exe	30
PID 3064 wrote to memory of 1956	3064	rundll32.exe	30
PID 1956 wrote to memory of 2536	1956	rundll32.exe	32
PID 1956 wrote to memory of 2536	1956	rundll32.exe	32
PID 1956 wrote to memory of 2536	1956	rundll32.exe	32
PID 1956 wrote to memory of 2536	1956	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8def52457ed0393ce66c1defd143ab2bfb2c700eb18781cb8569405d6e52bdb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8def52457ed0393ce66c1defd143ab2bfb2c700eb18781cb8569405d6e52bdb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 220
    3⤵
    - Program crash
    PID:2536

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/1956-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1956-1-0x0000000074C80000-0x0000000074CAF000-memory.dmp

Filesize
188KB

Download
memory/1956-2-0x0000000074C80000-0x0000000074CAF000-memory.dmp

Filesize
188KB

Download
memory/1956-4-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download