dridex | e491436559e1e298e3f8b82133696381c960d4181bb887b2fea1f6b1a6432b74

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:57

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General

Target

JaffaCakes118_e491436559e1e298e3f8b82133696381c960d4181bb887b2fea1f6b1a6432b74.dll
Size

184KB
MD5

ec13dded201825611109b8bf3d591726
SHA1

46eeb2b3ff6b10f5da53c5e6886b7b4bcf5265b0
SHA256

e491436559e1e298e3f8b82133696381c960d4181bb887b2fea1f6b1a6432b74
SHA512

72d07342465c53a49ddd0a943860fbd31cf0f23aee7062906b83e5af945c5bd79340278c698b94c4ca2b3d9062e94112dd87c3e0a9ebc66a105836832b3c2451
SSDEEP

3072:sJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jka//2uFrSc:RfYOX+wTScR/Xzku9LVwHuG

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/1300-1-0x0000000075020000-0x000000007504F000-memory.dmp	dridex_ldr
behavioral1/memory/1300-2-0x0000000075020000-0x000000007504F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2028	1300	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 2568 wrote to memory of 1300	2568	rundll32.exe	30
PID 2568 wrote to memory of 1300	2568	rundll32.exe	30
PID 2568 wrote to memory of 1300	2568	rundll32.exe	30
PID 2568 wrote to memory of 1300	2568	rundll32.exe	30
PID 2568 wrote to memory of 1300	2568	rundll32.exe	30
PID 2568 wrote to memory of 1300	2568	rundll32.exe	30
PID 2568 wrote to memory of 1300	2568	rundll32.exe	30
PID 1300 wrote to memory of 2028	1300	rundll32.exe	32
PID 1300 wrote to memory of 2028	1300	rundll32.exe	32
PID 1300 wrote to memory of 2028	1300	rundll32.exe	32
PID 1300 wrote to memory of 2028	1300	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e491436559e1e298e3f8b82133696381c960d4181bb887b2fea1f6b1a6432b74.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e491436559e1e298e3f8b82133696381c960d4181bb887b2fea1f6b1a6432b74.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 224
    3⤵
    - Program crash
    PID:2028

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/1300-1-0x0000000075020000-0x000000007504F000-memory.dmp

Filesize
188KB

Download
memory/1300-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1300-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1300-2-0x0000000075020000-0x000000007504F000-memory.dmp

Filesize
188KB

Download