dridex | 43b8e9141fde75d138f9d5d0e52451c67fec65c2c4dfa2bc3ead61819810afd9

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 23:08

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General

Target

JaffaCakes118_43b8e9141fde75d138f9d5d0e52451c67fec65c2c4dfa2bc3ead61819810afd9.dll
Size

184KB
MD5

c08b3e063931c3d3bec9045dfd4cc77c
SHA1

50ecbdc1afc9bb59a6c2aee280e9cfcdb4039297
SHA256

43b8e9141fde75d138f9d5d0e52451c67fec65c2c4dfa2bc3ead61819810afd9
SHA512

7853159a929714eb7e631465d2ca94b18a818188d8466d5689df490aabe12e54909630d99ba6f2c3e241be860c1e7881b2943f827e2fb5e64266b14cd375ee4f
SSDEEP

3072:XJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Joa//2uFrSc:kfYOX+wTScR/Xzku9LVw/uG

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/1724-1-0x0000000075200000-0x000000007522F000-memory.dmp	dridex_ldr
behavioral2/memory/1724-2-0x0000000075200000-0x000000007522F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1504	1724	WerFault.exe	83

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 4260 wrote to memory of 1724	4260	rundll32.exe	83
PID 4260 wrote to memory of 1724	4260	rundll32.exe	83
PID 4260 wrote to memory of 1724	4260	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43b8e9141fde75d138f9d5d0e52451c67fec65c2c4dfa2bc3ead61819810afd9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43b8e9141fde75d138f9d5d0e52451c67fec65c2c4dfa2bc3ead61819810afd9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 624
    3⤵
    - Program crash
    PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1724 -ip 1724
1⤵
PID:3256

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/1724-0-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

Download
memory/1724-1-0x0000000075200000-0x000000007522F000-memory.dmp

Filesize
188KB

Download
memory/1724-3-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

Download
memory/1724-2-0x0000000075200000-0x000000007522F000-memory.dmp

Filesize
188KB

Download